【英文标准名称】:PrestressedConcretePressurePipe,Steel-CylinderType
【原文标准名称】:预应力混凝土压力管.钢筒型
【标准号】:ANSI/AWWAC301-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-11
【实施或试行日期】:2007-06-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:AWWA
【标准类型】:()
【标准水平】:()
【中文主题词】:混凝土压力管;压力管;给水
【英文主题词】:Concretepressurepipes;Pressurepipes;Watersupply
【摘要】:Thisstandarddescribesthemanufactureofcircumferentiallyprestressedconcretepressurepipewithasteelcylinderandwirereinforcementinsizes16in.(410mm)through144in.(3,660mm).Largersizeshavebeenmanufacturedbasedontheconceptspresentedinthisstandard.Thestandarddescribestwotypesofprestressedpipe:(1)lined-cylinderpipewithacorecomposedofasteelcylinderlinedwithconcreteandsubsequentlywire-wrappedandcoatedwithpremixedmortar,and(2)embedded-cylinderpipewithacorecomposedofasteelcylinderencasedinconcreteandsubsequentlywirewrappedandcoatedwithpremixedcementmortar.ThedesignofprestressedconcretepipeisnotpresentedinthisstandardbutisthesubjectofANSI/AWWAC304,DesignofPrestressedConcreteCylinderPipe.ANSI/AWWAC301alsodoesnotincluderequirementsforhandling,delivering,laying,fieldtesting,ordisinfectingofpipe.SeeAWWAManualM9,ConcretePressurePipe,forthisinformation.1.1.1Essentialrequirements.Thepipeshallhavethefollowingprincipalfeatures:aweldedsteelcylinderwithsteeljointringsweldedtoitsends;forlined-cylinderpipe,acoreconsistingofaliningofconcretewithinthesteelcylinder,orforembedded-cylinderpipe,acoreconsistingofthesteelcylinderencasedinconcrete;reinforcementconsistingofhigh-tensilewirewoundaroundtheoutsideofthecoreinoneormorelayersatapredeterminedstressandfastenedsecurelyatitsends;acoatingofdensemortarcoveringthecoreandwire,exceptforthenecessarilyexposedsurfacesofthejointrings;andaself-centeringjointwithapreformedgasketofrubber,designedsothatthejointwillbewatertightunderallconditionsofservice.Lined-cylinderpipeshallbeusedforpipesizesuptoandincluding20in.(510mm)andmaybeusedforpipesizesuptoandincluding60in.(1,520mm).Embeddedcylinderpipemaybeusedforpipesizes24in.(610mm)through60in.(1,520mm)andshallbeusedforlargerpipe.Forembedded-cylinderpipe,atleastonethirdofthetotalcorethicknessshallbeoutsidethecylinder.
【中国标准分类号】:Q81
【国际标准分类号】:93_025;77_140_75
【页数】:48P.;A4
【正文语种】:英语
基本信息
| 标准名称： | R20锌锰电池 |
| 英文名称： | Zinc-manganese dry cells Type R20 |
| 中标分类： |
电工 >>
电源 >>
化学电源 |
| 替代情况： | 被GB/T 7112-1994代替 |
| 发布日期： | |
| 实施日期： | 2001-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 3页 |
适用范围
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所属分类： 电工 电源 化学电源