ASTM C31/C31M-2010 现场混凝土试样的制备和养护的标准实施规程
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【英文标准名称】:StandardPracticeforMakingandCuringConcreteTestSpecimensintheField
【原文标准名称】:现场混凝土试样的制备和养护的标准实施规程
【标准号】:ASTMC31/C31M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.61
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:梁;铸样;混凝土;固化;气瓶;测试;混凝土固化;圆柱形混凝土样本
【英文主题词】:beams;castingsamples;concrete;curing;cylinders;testing;Curing(ofconcrete);Cylindricalconcretespecimens
【摘要】:Thispracticeprovidesstandardizedrequirementsformaking,curing,protecting,andtransportingconcretetestspecimensunderfieldconditions.Ifthespecimensaremadeandstandardcured,asstipulatedherein,theresultingstrengthtestdatawhenthespecimensaretestedareabletobeusedforthefollowingpurposes:Acceptancetestingforspecifiedstrength,Checkingadequacyofmixtureproportionsforstrength,andQualitycontrol.Ifthespecimensaremadeandfieldcured,asstipulatedherein,theresultingstrengthtestdatawhenthespecimensaretestedareabletobeusedforthefollowingpurposes:Determinationofwhetherastructureiscapableofbeingputinservice,Comparisonwithtestresultsofstandardcuredspecimensorwithtestresultsfromvariousin-placetestmethods,Adequacyofcuringandprotectionofconcreteinthestructure,orFormorshoringremovaltimerequirements.1.1Thispracticecoversproceduresformakingandcuringcylinderandbeamspecimensfromrepresentativesamplesoffreshconcreteforaconstructionproject.1.2Theconcreteusedtomakethemoldedspecimensshallbesampledafterallon-siteadjustmentshavebeenmadetothemixtureproportions,includingtheadditionofmixwaterandadmixtures.Thispracticeisnotsatisfactoryformakingspecimensfromconcretenothavingmeasurableslumporrequiringothersizesorshapesofspecimens.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoexposedskinandtissueuponprolongedexposure.)1.5Thetextofthisstandardreferencesnoteswhichprovideexplanatorymaterial.Thesenotesshallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:现场混凝土试样的制备和养护的标准实施规程
【标准号】:ASTMC31/C31M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.61
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:梁;铸样;混凝土;固化;气瓶;测试;混凝土固化;圆柱形混凝土样本
【英文主题词】:beams;castingsamples;concrete;curing;cylinders;testing;Curing(ofconcrete);Cylindricalconcretespecimens
【摘要】:Thispracticeprovidesstandardizedrequirementsformaking,curing,protecting,andtransportingconcretetestspecimensunderfieldconditions.Ifthespecimensaremadeandstandardcured,asstipulatedherein,theresultingstrengthtestdatawhenthespecimensaretestedareabletobeusedforthefollowingpurposes:Acceptancetestingforspecifiedstrength,Checkingadequacyofmixtureproportionsforstrength,andQualitycontrol.Ifthespecimensaremadeandfieldcured,asstipulatedherein,theresultingstrengthtestdatawhenthespecimensaretestedareabletobeusedforthefollowingpurposes:Determinationofwhetherastructureiscapableofbeingputinservice,Comparisonwithtestresultsofstandardcuredspecimensorwithtestresultsfromvariousin-placetestmethods,Adequacyofcuringandprotectionofconcreteinthestructure,orFormorshoringremovaltimerequirements.1.1Thispracticecoversproceduresformakingandcuringcylinderandbeamspecimensfromrepresentativesamplesoffreshconcreteforaconstructionproject.1.2Theconcreteusedtomakethemoldedspecimensshallbesampledafterallon-siteadjustmentshavebeenmadetothemixtureproportions,includingtheadditionofmixwaterandadmixtures.Thispracticeisnotsatisfactoryformakingspecimensfromconcretenothavingmeasurableslumporrequiringothersizesorshapesofspecimens.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoexposedskinandtissueuponprolongedexposure.)1.5Thetextofthisstandardreferencesnoteswhichprovideexplanatorymaterial.Thesenotesshallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】:
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