CECS2102006埋地聚乙烯钢肋复合缠绕排水管管道工程技术规程

CECS210：2006中国工程建设标准化协会标准埋地聚乙烯钢肋复合缠绕排水管管道工程技术规程Technicalspecificationforhelicalwindingpolyethyleneprofilewallwithexternalsteelribpipelineofburiedsewerengineering中国计划出版社中国工程建设标准化协会标准埋地聚乙烯钢肋复合缠绕管排水管管道工程技术规程TechnicalspecificationforhelicalwindingpolyethyleneprofilewallwithexternalsteelribpipelineofburiedsewerengineeringCECS210:2006主编单位:南京市市政设计研究院有限责任公司福建亚通新材料科技股份有限公司批准单位:中国工程建设标准化协会施行日期:2006年12月01日中国计划出版社2006北京前言根据中国工程建设标准化协会（2001）建标协字第10号文《关于下达印发2001年第一批标准制、修订项目计划的通知》的要求，制定本规程。聚乙烯钢肋复合缠绕管是一种用钢肋增强的高密度聚乙烯肋壁板材经缠绕成型的柔性管，具有重量轻、环刚度大、安装方便等特点，可用于无压埋地排水管道。目前国内推广应用这种管道的工程已经起步，通过各地实践，效果良好。本规程是以相关国家标准为依据，在各地试验研究和工程实践的基础上，参照国外相关标准和研究资料编制而成的。根据国家计委计标[1986]1649号文《关于请中国工程建设标准化委员会负责组织推荐性工程建设标准试点工作的通知》要求，现批准发布协会标准《埋地聚乙烯钢肋螺旋复合管排水管道工程技术规程》编号为CECS210：2006，推荐给工程设计、施工和使用单位采用。本规程由中国工程建设标准化协会管道结构专业委员会CECS/TC17归口管理，由南京市市政设计研究院有限责任公司（南京市同仁街31号，邮编210008）负责解释。在使用中如发现需要修改或补充之处，请将意见和资料径寄解释单位。主编单位：南京市市政设计研究院有限责任公司福建亚通新材料科技股份有限公司参编单位：中国市政工程中南设计院甘肃省水利水电勘测设计研究院杭州市城建设计研究院主要起草人：曾中义杨挺周晨徐小民黄学庆4许文海徐德富薛晓荣龚福鑫周平叶从基王步生王振武李锐中国工程建设标准化协会2006年8月26日目录1总则···························································································12术语和符号···············································································22.1术语······················································································22.2主要符号··············································································23材料···························································································64水力计算·················································································85结构设计·················································································105.1基本设计规定······································································105.2管道结构上的作用······························································105.3管道环向截面变形验算······················································125.4管道环向截面稳定性计算··················································125.5管道环向截面强度计算······················································135.6管道抗浮稳定性验算··························································146管道敷设·················································································156.1一般规定··············································································156.2沟槽开挖··············································································166.3地基与基础··········································································186.4管道敷设··············································································186.5沟槽回填··············································································207质量检验···················································································227.1沟槽回填土压实系数的检验············································227.2管道变形检验·····································································227.3管道密闭性检验·································································238管道工程的竣工验收······························································24附录A管材的型式和主要尺寸················································26附录B管道水力计算图表··························································28附录C地面车辆荷载对管道上的作用标准值的计算方法·········32附录D管侧回填的综合变形模量···········································34附录E闭水法试验·····································································36附录F验收记录表及验收鉴定书············································38本规程用词说明·············································································40附：条文说明·················································································4111总则1.0.1为了在室外埋地排水管道工程中合理应用聚乙烯钢肋复合缠绕管，做到技术先进、安全适用、经济合理、操作简便，确保工程质量，特制定本规程。1.0.2本规程适用于城镇公用设施、工矿企业和住宅小区中，一般用途的新建、扩建、改建的埋地无压重水流聚乙烯钢肋复合缠绕管排水管管道工程的工程设计、施工及验收。1.0.3本规程是依据现行国家标准《室外排水设计规范》GB50014《给水排水管道结构设计规范》GB50332和《给水排水管道工程施工及验收规范》GB50268规定的原则进行编制。1.0.4排入管道的水温、水质应符合现行行业标准《污水排入城市下水道水质标准》CJ3082的规定。1.0.5管道工程采用的管材、管件连接件等，必须符合国家现行有关标准的规定，并具有产品出厂合格证。1.0.6在湿陷性黄土、膨胀土、永冻土和地震地区埋设管道时，尚应符合国家现行有关标准的规定。1.0.7埋地聚乙烯钢肋复合缠绕管排水管管道工程除应执行本规程外，尚应符合国家现行的有关标准的规定。22术语和符号2.1术语2.1.1聚乙烯钢肋复合缠绕管helicalwindingpolyethyleneprofilewallwithexternalsteelribpipe（RIB-LOCPIPE）由挤出成型的高密度聚乙烯肋壁板材与外壁钢肋同步在内模上连续螺纹状缠绕而卷制成型的管材。肋壁板材之间采用插入式肋增强的聚乙烯缠绕复合结构壁管材，属柔性管。简称“聚乙烯钢肋复合缠绕管”，俗称“塑料螺旋管”。2.1.2排水管道sewerpipeline在城镇基础设施、工矿企业和住宅小区内用于输送生活污水、生产污水的管道，以及输送截流雨水的雨水管道和雨、污水合流排放的合流管道。2.1.3无压管道non-pressurepipeline输送水体处于重力流状态的管道。此时，管道内的运行水位不超过管道内顶，但允许运行水位出现间歇性超过管道内顶的情况，而由此产生的内水压力不作为管道的内压指标。2.1.4环向弯曲刚度ringstiffness反映埋地柔性管在管顶上部土荷载作用下管环所产生垂直变位大小的刚度指标，也是管道抵抗环向变形能力的指标，简称“环刚度”。对均质平壁管可用公式计算确定，对钢塑复合缠绕管可通过平行板试验确定。2.1.5公称直径（DN）nominaldiameter管材的标定直径，本规程中，聚乙烯钢肋复合缠绕管的公称直径（DN）等同于管材内径（D0）。32.2主要符号2.2.1管道上的作用和作用效应FCV,k—管道单位长度上管顶的地面车辆荷载或地面堆积荷载标准值；Fcr·k管道失稳临界压力标准值；Fsv·k管道单位长度上管顶的竖向土压力标准值；FV—管道单位长度上管顶的竖向压力设计值；FVK管顶竖向作用的不利组合值；Pwi—车辆第i个车轮的单位轮压；qcv·k轮压传递到管道顶部的单位面积竖向压力标准值；∑FGK各种抗浮作用标准值之和；σ钢肋最大环向截面压应力。2.2.2管材性能Ep—高密度聚乙烯弹性模量；ES钢材弹性模量；fp—高密度聚乙烯抗拉强度设计值fpk—高密度聚乙烯抗拉强度标准值；fy钢肋抗拉强度设计值；Sd—管环刚度；γp—高密度聚乙烯基准密度。2.2.3几何参数A钢肋截面每延米截面积；ai—i个车轮的着地分布长度；B—管道沟槽底部的开挖宽度；b1—管道一侧的工作面宽度；b2—管道一侧的支撑厚度；bi—i个车轮的着地分布宽度；Br—管中心处槽宽；4D0—管道内径；D1—管道外径；daj—沿车轮着地分布长度方向，相邻两车轮间的净距；dbj—沿车轮着