ASTM D4719-2007 土壤中预打孔压力计测试的标准试验方法
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【英文标准名称】:StandardTestMethodforPreboredPressuremeterTestinginSoils
【原文标准名称】:土壤中预打孔压力计测试的标准试验方法
【标准号】:ASTMD4719-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;压力;压力试验;土壤;测试
【英文主题词】:insitutest;modulus;limitpressure;stress-strain
【摘要】:1.1Thistestmethodcoverspressuremetertestingofsoils.Apressuremetertestisaninsitustress-straintestperformedonthewallofaboreholeusingacylindricalprobethatisexpandedradially.Toobtainviabletestresults,disturbancetotheboreholewallmustbeminimized.1.2Thistestmethodincludestheprocedurefordrillingtheborehole,insertingtheprobe,andconductingpressuremetertestsinbothgranularandcohesivesoils,butdoesnotincludehighpressuretestinginrock.Knowledgeofthetypeofsoilinwhicheachpressuremetertestistobemadeisnecessaryforassessmentof(1)themethodofboringorprobeplacement,orboth,(2)theinterpretationofthetestdata,and(3)thereasonablenessofthetestresults.1.3Thistestmethoddoesnotcovertheself-boringpressuremeter,forwhichtheholeisdrilledbyamechanicalorjettingtoolinsidethehollowcoreoftheprobe.Thistestmethodislimitedtothepressuremeterwhichisinsertedintopredrilledboreholesor,undercertaincircumstances,isinsertedbydriving.1.4Twoalternatetestingproceduresareprovidedasfollows:1.4.1ProcedureA8212;TheEqualPressureIncrementMethod.1.4.2ProcedureB8212;TheEqualVolumeIncrementMethod.Note18212;Astandardfortheself-boringpressuremeterisscheduledtobedevelopedseparately.Pressuremetertestinginrockmaybestandardizedasanadjuncttothistestmethod.Note28212;Strain-controlledtestsalsocanbeperformed,wherebytheprobevolumeisincreasedataconstantrateandcorrespondingpressuresaremeasured.Thismethodshallbeappliedonlyifspecialrequirementsmustbemetandisnotcoveredbythistestmethod.Strain-controlledtestsmayyielddifferentresultsthantheproceduredescribedinthistestmethod.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.6Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeNote7.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:9P.;A4
【正文语种】:
【原文标准名称】:土壤中预打孔压力计测试的标准试验方法
【标准号】:ASTMD4719-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;压力;压力试验;土壤;测试
【英文主题词】:insitutest;modulus;limitpressure;stress-strain
【摘要】:1.1Thistestmethodcoverspressuremetertestingofsoils.Apressuremetertestisaninsitustress-straintestperformedonthewallofaboreholeusingacylindricalprobethatisexpandedradially.Toobtainviabletestresults,disturbancetotheboreholewallmustbeminimized.1.2Thistestmethodincludestheprocedurefordrillingtheborehole,insertingtheprobe,andconductingpressuremetertestsinbothgranularandcohesivesoils,butdoesnotincludehighpressuretestinginrock.Knowledgeofthetypeofsoilinwhicheachpressuremetertestistobemadeisnecessaryforassessmentof(1)themethodofboringorprobeplacement,orboth,(2)theinterpretationofthetestdata,and(3)thereasonablenessofthetestresults.1.3Thistestmethoddoesnotcovertheself-boringpressuremeter,forwhichtheholeisdrilledbyamechanicalorjettingtoolinsidethehollowcoreoftheprobe.Thistestmethodislimitedtothepressuremeterwhichisinsertedintopredrilledboreholesor,undercertaincircumstances,isinsertedbydriving.1.4Twoalternatetestingproceduresareprovidedasfollows:1.4.1ProcedureA8212;TheEqualPressureIncrementMethod.1.4.2ProcedureB8212;TheEqualVolumeIncrementMethod.Note18212;Astandardfortheself-boringpressuremeterisscheduledtobedevelopedseparately.Pressuremetertestinginrockmaybestandardizedasanadjuncttothistestmethod.Note28212;Strain-controlledtestsalsocanbeperformed,wherebytheprobevolumeisincreasedataconstantrateandcorrespondingpressuresaremeasured.Thismethodshallbeappliedonlyifspecialrequirementsmustbemetandisnotcoveredbythistestmethod.Strain-controlledtestsmayyielddifferentresultsthantheproceduredescribedinthistestmethod.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.6Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeNote7.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:9P.;A4
【正文语种】:
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