山西快乐十分

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防水套管知识

柔性防水套管在建筑行业展现优势尤为明显

来源:http://zgqxg.com/    发布日期:2019-05-27 14:29:28    浏览量:

  随着我国建筑业的发展,使愈来愈多的新材料、新工艺、新技术在建筑领域得到广泛的推广和应用。而对地下室防渗墙、生活、消防水池等的防渗水,止水技术要求也随着使用模板材质的不同,支模方法的改进,土建与安装相互配合的协调性而提出了更高的要求。通过对02S404柔性防水套管制造安装方法的改进,就安装与土建配合施工中探索出的墙面平齐型柔性防水套管的制作预埋安装工法,操作方便,性能可靠,达到国内先进水平。
 

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  柔性防水套管山西快乐十分在建筑行业当中也发过了非常多的优势,因为能够避免管道对建筑稳定性造成影响,也不用担心在墙面或者是地下对管道造成压迫,可以达到高压强度,并且密封性非常好,不会对环境造成任何伤害,对管道起到更好的保护作用。

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柔性防水套管吊装预埋方案

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  柔性防水套管吊装预埋方案
 
  一、范围场地分析
 
  其位置坐标详见附图,要求严格按坐标位置及标高固定预埋套管。
 
  现场土建施工状况:15轴挡土墙起自-12m底板,终至27m屋顶大梁,附保护层墙厚1.2m,采用分阶段浇注,墙外侧逐步回填的施工方法。我方预埋段具体浇注过程是:一阶段浇注至-6m;二阶段浇注至0.03m;三阶段浇注至4.5m。第三阶段我方需配合土建上吊预埋套管。根据土建施工方案,第三阶段时墙外侧暂不回填,即我方需在12m—16m处高空作业。套管长1.3m,重约100kg,上方无悬挂点,周围无支撑点,故采用塔吊吊装到位的施工方法。到位后预埋点的施工人员在塔吊停留时,将套管拉入脚手架内脚手板上。作业人员安全防护需到位,挡土墙外侧有落地脚手架,可将安全带系与脚手架上,脚手架高于绑扎点,故能够做到高挂低用。
 
  二、吊装准备
 
  1、技术准备
 
  1)吊装前熟悉现场的具体情况,确定标高,了解套管安装位置和方向。
 
  2)吊装应在土建钢筋绑扎到标高前进行,需提前与土建人员沟通、协商。
 
  3)需拆除套管进入点处脚手架外侧的安全网。查看土建该处脚手板是否牢固,可否承受套管及3名施工人员的重量。
 
  3)吊装前联系塔吊指挥,了解起运路线,考虑能否顺利通过,如需清理、平整、加固时,必须事先做好准备。
 
  4)起吊前对套管进行外观检查,发现有缺陷时,及时向现场负责人报告。
 
  5)设备起运中要保持平稳。
 
  2、人员准备
 
  1)选择工人进场熟悉现场情况。
 
  2)做好起运人员的进场安全教育。
 
  3)劳动力配备要合理齐全。
 
  具体指挥管理网络图如下:
 
  现场总指挥:,对现场吊装作业进行人员、机具、材料等方面的总协调;
 
  现场安全技术负责:,对吊装现场进行安全技术交底,人员、机具、材料等技术状况负责监督检查,对安全措施、安全防护进行监督检查
 
  现场组织协调:,对吊装现场技术措施、工序过程、防护工作进行协调和检查。
 
  三、吊装工艺
 
  1、工艺流程
 
  场地清理、绑扎、试吊、起吊、垂直提升、水平运输、
 
  2、技术措施
 
  1)绑扎
 
  套管两端重量不一致,为保持调运过程中能够平稳,绑扎时绳子应从套管中间穿过,
 
  故套管两端的封堵需在吊装完成后进行。
 
  2)试吊
 
  塔吊索具全部调整好后,将钢丝绳与柔性防水套管进行试吊,当套管提升至离地面20cm时停止提升,检查捆绑钢丝绳受力情况,如发现异常情况将设备放下,查明原因,重新整改后再行吊装
 
  3)正式起吊
 
  经试吊检查无异常情况发生时,可进行正式起吊,当套管到达位置时,略停等设备平稳后,再往下降至定位置(预埋点脚手架正外侧)。
 
  3)卸装
 
  此处是关键也是本次吊装的难点。套管停在位置后,预埋点的人员将套管通过脚手架间空隙拉入架内脚手板上,解下钢绳缓慢放下套管。首先,塔吊停将套管停靠位置必须到位,紧贴脚手架边;第二,高度必须适中,保证可拉入脚手架内,又不至离脚手板太高,无法缓慢下放;第三,放入脚手板上后,需对套管进行简单固定,防止其滚落;第四,解下的钢绳要理顺,扔出脚手架外,查看钢绳及挂钩是否与脚手架及周围物体相牵挂,确认无任何牵挂后,塔吊才可转臂,此时可对套管两端进行封堵;第五,吊装完成后,马上恢复撤去的层面安全网。
 

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