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【英文标准名称】:StandardPracticeforUndergroundInstallationofThermoplasticPipeforSewersandOtherGravity-FlowApplications
【原文标准名称】:下水道和其它自流设备用热塑塑料管的地下安装的标准方法
【标准号】:ASTMD2321-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.62
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:回填;基床;密封;预埋件;开腋榫;迁移;污水管;土壤硬度;热塑性的;地下安装
【英文主题词】:backfill;bedding;compaction;embedment;haunching;migration;sewerpipe;soilstiffness;thermoplastic;undergroundinstallation
【摘要】:Thispracticeisforusebydesignersandspecifiers,installationcontractors,regulatoryagencies,owners,andinspectionorganizationswhoareinvolvedintheconstructionofsewersandothergravity-flowapplicationsthatutilizeflexiblethermoplasticpipe.Aswithanystandardpractice,modificationsmayberequiredforspecificjobconditionsorforspeciallocalorregionalconditions.RecommendationsforinclusionofthispracticeincontractdocumentsforaspecificprojectaregiveninAppendixX2.1.1Thispracticeprovidesrecommendationsfortheinstallationofburiedthermoplasticpipeusedinsewersandothergravity-flowapplications.Theserecommendationsareintendedtoensureastableundergroundenvironmentforthermoplasticpipeunderawiderangeofserviceconditions.However,becauseofthenumerousflexibleplasticpipeproductsavailableandtheinherentvariabilityofnaturalgroundconditions,achievingsatisfactoryperformanceofanyoneproductmayrequiremodificationtoprovisionscontainedhereintomeetspecificprojectrequirements.1.2Thescopeofthispracticenecessarilyexcludesproductperformancecriteriasuchasminimumpipestiffness,maximumservicedeflection,orlongtermstrength.Thus,itisincumbentupontheproductmanufacturer,specifier,orprojectengineertoverifyandassurethatthepipespecifiedforanintendedapplication,wheninstalledaccordingtoproceduresoutlinedinthispractice,willprovidealongterm,satisfactoryperformanceaccordingtocriteriaestablishedforthatapplication.AcommentaryonfactorsimportantinachievingasatisfactoryinstallationisincludedinAppendixX1.
【中国标准分类号】:
【国际标准分类号】:23_040_20
【页数】:12P.;A4
【正文语种】: