逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/TEL:18739068944逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/10.html<p><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">隧道逃生管道管体自由度越大会怎么样?</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">逃生管道的设置符合逃生、救援需要。2012 年辽宁省交通规划设计院及华中科技大学等单位利用有限元模型对逃生钢管在冲击荷载下的边界条件及其动力响应进行了研究得出如下结论:</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(1)管体自由度越大,对于消耗冲击能越有利;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(2)管体底部和侧边施加位移约束的模型偏于安全;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(3)垫层可在一定程度上缓解管体所受冲击力;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(4)在落石冲击作用下,逃生管仅顶部出现比落石直径略大的塑性区,其他部位未出现塑性区</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(5)逃生管变形随着与端部距离的增大而减小;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">(6)逃生管变形随着落石尺寸的增大而增大,随着逃生管壁厚的增大而减小。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">2013年广东二广高速公路有限公司等单位对钢带PE波纹管和钢管在冲击荷载下的仿真模拟及现场试验研究,并得出钢带PE波纹管及钢管均能满足逃生管道的要求,但钢带PE波纹管具有造价低、质量轻及施工方便的优点。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">综上所述:对于隧道管道逃生设施的研究呈现传统材料管材研究的多、新型管材研究的少,模拟试验研究多、现场试验研究少的特点,且上述研究均未考虑与隧道施工的干扰、隧道的断面型式,亦未系统研究管道逃生设施的配置及安装要求,因此系统研究塌方管道逃生设施的配置及安装是必要的。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp; 在逃生管道设计中,目前管材选用最常用的是钢管,经长期现场考察发现,施工现场使用的钢管存在造价高、接口多、不密封、耐腐蚀性差等缺点,施工时经常搁置在洞室外,起不到防止关门塌方时应急逃生的作用,对隧道施工人员生命安全造成极大的安全隐患,因此有必要更新逃生管选材。在隧道施工设计时我们提议更换逃生管道材料,把送风管与逃生管串连连接使用,洞室外新鲜空气经送风管到达初支与二衬交界处,再经逃生管道(钢带PE波纹管)输送到掌子面区域。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;与钢管相比,钢带PE波纹管具有适当的挠曲度、连接方便、造价低、使用寿命长、耐腐蚀及耐环境应力开裂的优越性。因此,选用钢带PE波纹管作为逃生管,参照规范管内径选用Φ0.8m,须要验证的是钢带PE波纹管的抗冲击能力是否到达要求。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;当隧道塌方时主要考虑逃生管的抗冲击能力,暨逃生管被砸部位满足人员疏散需求。现就基于横向冲击的平铺圆管试件(钢带PE波纹管和钢管)进行现场试验,分析试件的局部凹陷与冲击能量的关系,从而得出冲击点附近的变形模态,比较端部断面与中间断面的抗冲击能力。在此利用ANSYS LS-DYNA对试验进行仿真模拟(管道变形的时程曲线),再将钢带PE波纹管试验结果与钢管试验结果进行比较。</span><br style="color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif; font-size: 12px; white-space: normal;"/><span style="color: #222222; font-family: Arial, Verdana, sans-serif; font-size: 12px; background-color: #FFFFFF;">&nbsp;</span></p>Mon, 16 Sep 2019 14:27:26 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/9.html<p><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">符合人体工程学的隧道逃生管道-安全管道正举造</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">超高分子聚乙烯隧道逃生管材的尺寸型号的设计是经过专业测量和专业人体测量学的专家的理论确定逃生管在隧道中的使用是非常符合人体学的。并经过大量的实验来证明:人在爬行移动时,较舒适的情况下爬行高度为800mm, 因此,公路隧道施工新型应急救援通道的内径必须≥800mm,才能保证人体的正常通过。 同时,考虑到公路隧道施工现场的实际情况,应急救援通道的外径不宜过大,否则对施工的影响较大,故取超高分子量聚乙烯管道的外径为800mm。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;<img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568085910155425.jpg" title="微信图片_20190420091133.jpg" alt="微信图片_20190420091133.jpg"/></span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">逃生管在隧道中使用可选择800*30/860*30的尺寸,逃生管重量轻、拆装和搬运方便。逃生管道使用简单,安装和移动所用时间短,设备简单易行,易于操作,中雄管业长期供应与各个项目厂商,材质由超高分子量聚乙烯材质精加工制成,该材质逃生管具有重量轻、拆装和搬运方便、管道韧性好、抗冲击强度高,管道环刚度高、耐压性好、不易变形等性能,能长时间使用。质量上是非常值得信赖的!</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;隧道逃生超高分子量聚乙烯管道具有优异的综合性能,具有其他工程塑料无可比拟的耐冲击性、抗压性、耐磨损、抗老化、轻质性,且耐化学腐蚀,在国外被称为“神奇的塑料”。因此其在机械、交通运输、纺织、造纸、矿业、农业、化工等领域,具有广泛的引用前景。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;">1.</strong><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">耐冲击性。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">耐冲击是逃生管道,超高分子逃生管道的另一重要特性。他的冲击强度非常高,他比以耐用消费品冲击著称的聚碳酸酯的冲击强度还高3--5倍,其冲击强度随分子量的增加提高。当分子量达到150万时,冲击强度达到最高值,以后随着分子量增加冲击强度有所降低。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">2.冲击能吸收性。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">逃生管道,超高分子逃生管道还具有优异的冲击能吸收性,冲能吸收值在所有塑料中最高,因而,噪音阻尼行很好,具有优良的消音效果。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">3.优良的抗内压强度,逃生管道,超高分子逃生管道耐环境应力开类性,抗快速开裂性。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 13.3333px;"/><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF; font-size: 13.3333px;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;超高分子量聚乙烯隧道逃生管道材料重量轻,拆装和搬运方便;超高分子量聚乙烯隧道逃生管道韧性好、抗冲击强度高,受到强外力冲击时瞬间变形,吸收大量冲击能量,然后迅速恢复原来形状,超高分子量聚乙烯隧道逃生管道为 公路隧道施工逃生应急救援提供了极为安全可靠的保障;管道环刚度高、耐压性好、不易变形,在公路隧道施工中发生坍塌时,承压能力和抗环境破坏能力远远超过 一般管道。交通部门采用新材料(超高分子量聚乙烯)对公路 隧道施工应急救援通道进行了设计。 同时,超高分子量聚乙烯应急救援通道的结构尺寸符合人体工 程学原理,结构简单,拆装方便。 最后,通过对超高分子量聚乙烯逃生管道和钢管进行抗冲击性对比试验,验证了超高分子量聚乙烯逃生管道应用于公路隧道施工应急救援的可靠性。</span></p>Tue, 10 Sep 2019 11:22:45 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/8.html<p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">隧道逃生管道抱箍配件解析-为什么相同的配件价格不一样</span></p><p><img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568085759611391.jpg" title="微信图片_20190419084543.jpg" alt="微信图片_20190419084543.jpg"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">正举在做隧道逃生管道这几年,经历波折颇多,黑正举的也有,赞正举的也有,但是正举从来未从黑过同行,一直本分做事,只求吧质量好价格低的产品提供给客户。</span><br style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">近日有客户回馈,同样的口径材质配件,为什么报价会相差一二十块?今天为大家 解答一下:</span><br style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">第一材质不同,就拿链条来说,正举的链条最少在10MM粗细,并且正举使用的是U型卡,双控链接,而其他同行使用的是单螺丝,并且链条粗细仅有5mm不到,曾有客户回馈:其他厂的配件在隧道口拖拉的时候,竟被拉车断裂。</span><br style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">第二:厚度-宽度,正举所用的抱箍链接均为40公分宽度,5mm厚度,而同行最款的仅为25公分宽,厚度仅为3mm,虽为异形件,但是大家一看就知道孰轻孰重。</span><br style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">俗话说得好,羊毛出载羊身上,一分价钱一分货,还请广大客户在采购物资的时候问清楚相关配件问题,很多同行会含糊其词得概括不给你说,安全物资不容忽视,咨询请拨打:15038696358</span></p>Tue, 10 Sep 2019 11:21:12 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/7.html<p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生管道(分子量约为250万),规格为Φ800*30其主要参数取值为:屈服强度σ1=3.7GPa,弹性模 量:E1=700MPa;泊松比ν1=0.42; 密度:ρ1=950kg/m3。冲击试件为块状花岗岩,初步选定岩块直径为0.67m,岩体参数取值 为:弹性模量 E2=40GPa, 泊松比ν2=0.2 ,密度ρ2=2500kg/m3。 岩块重量 W=611kg。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;<img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568085556402416.jpg" title="530179586217509731.jpg" alt="530179586217509731.jpg"/></span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;①超高分子量聚乙烯隧道逃生管道所用管材采用Φ800mm的超高分子量聚乙烯管道,管节长度为3m,壁厚30mm,超高分子量聚乙烯隧道逃生管道可采用环型抱箍连接、钢制搭接锁扣连接,U型卡链扣连接,每端连接10mm固定。为保证管道承受坍塌体的压力,对采用的材质管材,必须确保其承压能力和连接头的牢固,并经试验室具体试验后,方可用于隧道中。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;②施工现场应根据隧道围岩、掘进开挖方式等情况备足管道和连接材料,除整节管道外,应同时备足1米、2米、3米短节管道、转接接头。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;③超高分子量聚乙烯隧道逃生管道经加工使用,结合材质及现场实际情况分别进行加工,连接简单、牢固、紧密可靠,且在地面做好临时固定措施,施工时管口可加临时封盖,并易于打开和封闭。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;④超高分子量聚乙烯隧道逃生管道采用φ800mm的承插超高分子量聚乙烯管道,设置起点为最新施作好的二衬端头处,距二衬端头距离不得大于5米,从衬砌工 作面布置至距离开挖面20m以内的适当位置,超高分子量聚乙烯隧道逃生管道沿着初期支护的一侧向掌子面铺设,管内预留工作绳,方便逃生、抢险、联络和传输 各种物品,承插超高分子量聚乙烯管道纵向连接可采用链条等措施,防止坍塌时将超高分子量聚乙烯管道冲脱。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;⑤超高分子量聚乙烯隧道逃生管道在二衬台车移动就位过程中,临时拆移时应逐节拆除,严禁一次拆除到位,以随时确保逃生管道的效用。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;⑥超高分子量聚乙烯隧道逃生管道在经过掘进台阶时,应按顺延台阶布置,安装30°钢制过渡弯头顺延,其管道架空高度和长度以不影响施工并便于开启逃生窗口为宜。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;⑦设置的超高分子量聚乙烯隧道逃生管道应平整、干燥、顺畅,不得作应急逃生以外用途。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; font-size: 16px;">&nbsp;&nbsp;&nbsp;&nbsp;⑧超高分子量聚乙烯隧道逃生管道布设长度为100m。</span></strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生管道,是一种由乙&nbsp;烯、丁二烯单体在催化剂作用下,聚合而成的平均分子量在350万左右的线型结构热塑性工程塑料。&nbsp;世界上最早由 美国Allied&nbsp;Chemical公司于1957年实现工业化。&nbsp;此后德国Hoechst公司、德国Her-cules公司、日本三井石油化学公司等也 投入工业化生产。我国于1964年最早研制成功并投入工业生产。&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp; &nbsp;超高分子量聚乙烯隧道逃生管道具有优异的综合性能,具有其他工程塑料无可比拟的耐冲击性、抗压性、耐磨损、抗老化、轻质性,且耐化学腐蚀、卫生无毒、不易粘附,在国外被称为“神奇的塑料”。因此,其在机械、交通运输、纺织、造纸、矿业、农业、化工等领域,具有广泛的引用前景。&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●重量轻、仅为钢管重量的1/3左右,拆装和搬运方便。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●管道韧性好、抗冲击强度高,受到强外力冲击时瞬间变形,吸收大量冲击能量,然后迅速恢复原来形状,为公路隧道施工逃生应急救援提供了极为安全可靠的保障。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●管道环刚度高、耐压性好、不易变形,在公路隧道施工中发生坍塌时,承压能力和抗环境破坏能力远远超过一般管道。</span></p>Tue, 10 Sep 2019 11:18:25 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/6.html<p><img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568085414424127.jpg" title="308547377334835147.jpg" alt="308547377334835147.jpg"/></p><p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">860口径目前正举新材料现货充足,可随时发货。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">860管道参数:</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">每根长3米,链接为链条链接和抱箍链接,</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">每米重79公斤</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">橘黄色</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">厚度:30个厚以上</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">① 超高分子量聚乙烯逃生管道所用管材采用φ860mm的超高分子量聚乙烯管道,管节长度为3m,壁厚30mm以上,管节间可采用直径大于逃生管道直径的套管连 接,每端连接1m,采用橡胶圈或木楔临时固定。为保证管道承受坍塌体的压力,对采用的材质管材,必须确保其承压能力和连接头的牢固,并经试验室具体试验 后,方可用于隧道中。</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp; &nbsp;&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">②施工现场应根据隧道围岩、掘进开挖方式等情况备足管道和连接材料,除整节管道外,应同时备足1米、2米、3米短节管道、转接接头。&nbsp;</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp; &nbsp;&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">③超高分子量聚乙烯逃生管道经加工使用,结合材质及现场实际情况分别进行加工,连接简单、牢固、紧密可靠,且在地面做好临时固定措施,施工时管口可加临时封盖,并易于打开和封闭。</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp; &nbsp;&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">④ 超高分子量聚乙烯逃生管道采用φ860mm的承插超高分子量聚乙烯管道,设置起点为最新施作好的二衬端头处,距二衬端头距离不得大于5米,从衬砌工作面布 置至距离开挖面20m以内的适当位置,超高分子量聚乙烯逃生管道沿着初期支护的一侧向掌子面铺设,管内预留工作绳,方便逃生、抢险、联络和传输各种物品, 承插超高分子量聚乙烯管道纵向连接可采用链条等措施,防止坍塌时将超高分子量聚乙烯管道冲脱。&nbsp;</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp; &nbsp;&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">⑤超高分子量聚乙烯逃生管道在二衬台车移动就位过程中,临时拆移时应逐节拆除,严禁一次拆除到位,以随时确保逃生管道的效用。&nbsp;</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; background-color: #FFFFFF;">&nbsp; &nbsp;&nbsp;</span><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">⑥超高分子量聚乙烯逃生管道在经过掘进台阶时,应按顺延台阶布置,安装135°转接接头顺延,其管道架空高度和长度以不影响施工并便于开启逃生窗口为宜。&nbsp;</strong><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);"/><strong style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">⑦设置的超高分子量聚乙烯逃生管道应平整、干燥、顺畅,不得作应急逃生以外用途。</strong></p>Tue, 10 Sep 2019 11:07:33 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/5.html<p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">目前,国内对塌方关门管道逃生设施及应用的研究较少,2010年铁道部《铁路隧道施工抢险救援指导意见》(铁建设【2010】88号)中要求隧道施工时应在Ⅳ、Ⅴ、Ⅵ级围岩地段预先设置逃生管道。管道采用φ600~φ800mm 的承插钢管,从衬砌工作面布置至距离开挖面 20m 以内的适当位置,管内预留工作绳,方便逃生、抢险、联络和传输各种物品。承插钢管纵向连接可采用链条等措施,防止坍塌时将钢管冲脱。隧道坍塌抢险救援时,关键应做到及时为被困人员通风供氧和提供必需的生存食品,并尽快打通救援通道,使被困人员尽快脱离危险环境。逃生管道的设置符合逃生、救援需要。2012 年辽宁省交通规划设计院及华中科技大学等单位利用有限元模型对逃生钢管在冲击荷载下的边界条件及其动力响应进行了研究得出如下结论:</span></p><p><img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568084849221305.jpg" title="433436750422429482.jpg" alt="433436750422429482.jpg"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(1)管体自由度越大,对于消耗冲击能越有利;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(2)管体底部和侧边施加位移约束的模型偏于安全;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(3)垫层可在一定程度上缓解管体所受冲击力;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(4)在落石冲击作用下,逃生管仅顶部出现比落石直径略大的塑性区,其他部位未出现塑性区</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(5)逃生管变形随着与端部距离的增大而减小;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">(6)逃生管变形随着落石尺寸的增大而增大,随着逃生管壁厚的增大而减小。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">2013年广东二广高速公路有限公司等单位对钢带PE波纹管和钢管在冲击荷载下的仿真模拟及现场试验研究,并得出钢带PE波纹管及钢管均能满足逃生管道的要求,但钢带PE波纹管具有造价低、质量轻及施工方便的优点。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">综上所述:对于隧道管道逃生设施的研究呈现传统材料管材研究的多、新型管材研究的少,模拟试验研究多、现场试验研究少的特点,且上述研究均未考虑与隧道施工的干扰、隧道的断面型式,亦未系统研究管道逃生设施的配置及安装要求,因此系统研究塌方管道逃生设施的配置及安装是必要的。</span></p>Tue, 10 Sep 2019 11:04:22 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/4.html<p><img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568084608143387.jpg" title="468286583748240683.jpg" alt="468286583748240683.jpg"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生管道与钢制管道相比哪个轻一些》?</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯逃生管道应用于隧道施工应急救援的可靠性。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生管道具有优异的综合性能,具有 其他工程塑料无可比拟的耐冲击性、抗压性、耐磨损、抗老化、轻质性,且耐化学腐蚀、卫生无毒、不易 粘附,在国外被称为“神奇的塑料&quot;。因此,其在机械、交通运输、纺织、造纸、矿业、农业、化工等领域,具有广泛的引用前景。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●重量轻、仅为钢管重量的1/3左右,拆装和搬运方便。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●管道韧性好、抗冲击强度高,受到强外力冲击时瞬间变形,吸收大量冲击能量,然后迅速恢复原来形状,为公路隧道施工逃生应急救援提供了极为安全可靠的保障。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">●管道环刚度高、耐压性好、不易变形,在公路隧道施工中发生坍塌时,承压能力和抗环境破坏能力远远超过一般管道。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生通道的特性</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">1、超高分子量聚乙烯隧道逃生通道,材料成本低,为工程项目节约采购成本。   </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">2、超高分子量聚乙烯隧道逃生通道有很强的耐腐蚀能力,施工方简有速,使用寿命可达30-50年。  </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">3、超高分子量聚乙烯隧道逃生通道在低温条件下也具有良好的耐冲击性。  </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">4、超高分子量聚乙烯隧道逃生通道设计合理,安装方便。隧道逃生管道端口配制连接部件,起吊挂圈。隧道逃生管道安装、起吊、方便。</span></p><p><br/></p>Tue, 10 Sep 2019 11:02:23 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/3.html<p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;"><img src="http://www.grcgg.com/zb_users/upload/2019/09/201909101568084351885157.jpg" title="530179586217509731.jpg" alt="530179586217509731.jpg"/></span></p><p><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">隧道工程中设置正举隧道逃生管道的意义何在</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">设置隧道逃生管的的意义:</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">逃生管系统使用简便,安装和移动所用时间短,设备简单易行,易于操作,投入不大,经济效益显著,从而有利于推广,更重要的是一旦出现隧道关门塌方事故,该系统可有效地挽救施工人员的生命,社会效益和经济效益巨大。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">隧道逃生管对管材的要求:</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">1、要保证逃生管厚度不小于10mm</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">2、逃生管径不小于60cm</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">3、每节逃生管长度为1.5米—3米</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">4、逃生管可手动拆卸,连接牢固</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">5、逃生管尽量与隧道车(人)行横洞相连接,形成网状逃生通道。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">6、对逃生通道设置不到位的,严禁开挖作业。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生通道的特性</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">1、超高分子量聚乙烯隧道逃生通道,材料成本低,为工程项目节约采购成本。   </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">2、超高分子量聚乙烯隧道逃生通道有很强的耐腐蚀能力,施工方简有速,使用寿命可达30-50年。  </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">3、超高分子量聚乙烯隧道逃生通道在低温条件下也具有良好的耐冲击性。  </span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">4、超高分子量聚乙烯隧道逃生通道设计合理,安装方便。隧道逃生管道端口配制连接部件,起吊挂圈。隧道逃生管道安装、起吊、方便。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">超高分子量聚乙烯隧道逃生管道应用:</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;① 超高分子量聚乙烯逃生管道所用管材采用φ800mm的超高分子量聚乙烯管道,管节长度为15m,壁厚30mm,管节间可采用直径大于逃生管道直径的套管连 接,每端连接1m,采用橡胶圈或木楔临时固定。为保证管道承受坍塌体的压力,对采用的材质管材,必须确保其承压能力和连接头的牢固,并经试验室具体试验 后,方可用于隧道中。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;②施工现场应根据隧道围岩、掘进开挖方式等情况备足管道和连接材料,除整节管道外,应同时备足1米、2米、3米短节管道、转接接头。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;③超高分子量聚乙烯逃生管道经加工使用,结合材质及现场实际情况分别进行加工,连接简单、牢固、紧密可靠,且在地面做好临时固定措施,施工时管口可加临时封盖,并易于打开和封闭。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;④ 超高分子量聚乙烯逃生管道采用φ800mm的承插超高分子量聚乙烯管道,设置起点为最新施作好的二衬端头处,距二衬端头距离不得大于5米,从衬砌工作面布 置至距离开挖面20m以内的适当位置,超高分子量聚乙烯逃生管道沿着初期支护的一侧向掌子面铺设,管内预留工作绳,方便逃生、抢险、联络和传输各种物品, 承插超高分子量聚乙烯管道纵向连接可采用链条等措施,防止坍塌时将超高分子量聚乙烯管道冲脱。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;⑤超高分子量聚乙烯逃生管道在二衬台车移动就位过程中,临时拆移时应逐节拆除,严禁一次拆除到位,以随时确保逃生管道的效用。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">&nbsp;&nbsp;&nbsp;&nbsp;⑥超高分子量聚乙烯逃生管道在经过掘进台阶时,应按顺延台阶布置,安装135°转接接头顺延,其管道架空高度和长度以不影响施工并便于开启逃生窗口为宜。</span><br data-filtered="filtered" style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; color: rgb(102, 102, 102); font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"/><span style="color: #666666; font-family: &quot;microsoft yahei&quot;, Arial, Helvetica, sans-serif; background-color: #FFFFFF;">⑦设置的超高分子量聚乙烯逃生管道应平整、干燥、顺畅,不得作应急逃生以外用途</span></p>Tue, 10 Sep 2019 10:58:39 +0800逃生管超高分子量聚乙烯,隧道逃生管道配套设施厂家-洛阳正举新材料科技有限公司http://www.grcgg.com/post/1.html<p>&nbsp; &nbsp; &nbsp;正举新材料隧道逃生管道每节长度3米,每米约重69kg而(钢管每米重量210公斤)经过测量和专业人体测量学的专家的理论确定逃生管在隧道中的使用是非常符合人体学的。材质由超高分子量聚乙烯材质加工制成,超高分子隧道逃生管道具有重量轻、拆装和搬运方便、管道韧性好、抗冲击强度高,管道环刚度高、耐压性好、不易变形等性能,能长时间使用。</p><p><br/></p><p>逃生管规格</p><p>1.保证隧道逃生管厚度不小于30mm</p><p>2.每节隧道逃生管长度3米</p><p>3.隧道逃生管可手动拆卸,连接牢固安全。</p><p>4.隧道逃生管临时拆移时应逐节拆除,严禁一次拆除到位。</p><p>5.隧道逃生管道应平整、干燥、顺畅,不得作应急逃生以外用途。</p><p><br/></p><p>隧道逃生管尺寸</p><p><br/></p><p>该类管材的尺寸型号的设计是经过专业测量和专业人体测量学的专家的理论确定逃生管在隧道中的使用是非常符合人体学的。并经过大量的实验来证明:人在爬行移动时,较舒适的情况下爬行高度为800mm, 因此,公路隧道施工新型应急救援通道的内径必须≥800mm,才能保证人体的正常通过。 同时,考虑到公路隧道施工现场的实际情况,应急救援通道的外径不宜过大,否则对施工的影响较大,故取超高分子量聚乙烯管道的外径为800mm。</p><p><br/></p>Tue, 10 Sep 2019 10:33:54 +0800