【英文标准名称】:StandardSpecificationforJointsforConcretePipe,Manholes,andPrecastBoxSectionsUsingPreformedFlexibleJointSealants[Metric]
【原文标准名称】:使用预制柔性接头缝密封件的混凝土管道、人孔和预制箱型部件用接头的标准规范(米制)
【标准号】:ASTMC990M-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:C13.08
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:混凝土;检查孔;管道;密封
【英文主题词】:concretemanholes;concretepipe;flexible;joints;sealants;
【摘要】:1.1Thisspecificationcoversjointsforprecastconcretepipeandboxandothersectionsusingpreformedflexiblejointsealantsforuseinstormsewersandculvertswhicharenotintendedtooperateunderinternalpressure,orarenotsubjecttoinfiltrationorexfiltrationlimits.Jointmaterialusedinhorizontalapplicationsisintendedtopreventtheflowofsolidsthroughthejoint.1.2Precastconcretemanholesectionsandotherverticalstructuresthataresubjecttointernalorexternalpressure,infiltration,orexfiltrationlimitsarenotprohibitedfrombeingspecified.Jointsinverticalstructurescoveredbythisspecificationareintendedmainlytopreventtheflowofsolidsorfluidsthroughthejoint.1.3ThisspecificationistobeusedwithpipeandstructuresconforminginallrespectstoSpecificationsC14M,C76M,C478M,C506M,C507M,C655M,C985M,C1504,andC1433M,providedthatifthereisaconflictinpermissiblevariationsindimensions,therequirementsofthisspecificationshallgovern.1.4ThisspecificationisthemetriccompanionofSpecificationC990.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thisspecificationcoversthematerialandperformanceofthejointandsealantonly.Infiltrationandexfiltrationquantitiesforinstalledsectionsaredependentonfactorsotherthanthejointswhichmustbecoveredbyotherspecificationsandsuitabletestingoftheinstalledpipeline.
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30;91_100_30
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:ReconditioningofMetallicGate,Globe,andCheckValves
【原文标准名称】:金属闸阀、球阀和止回阀的重新调整
【标准号】:ANSI/API621-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001-08-02
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:API(Organization)
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:checkvalves;anti-siphonagesystems;reconditioning
【摘要】:Providesguidelinesforreconditioningflangedandbuttweldcastorforgedvalves.
【中国标准分类号】:J16
【国际标准分类号】:23_060_30;23_060_10;23_060_50
【页数】:
【正文语种】:英语