ASTM D2850-2003a(2007) 粘性土壤的松散-不排水三轴耐压试验的标准试验方法

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【英文标准名称】:StandardTestMethodforUnconsolidated-UndrainedTriaxialCompressionTestonCohesiveSoils
【原文标准名称】:粘性土壤的松散-不排水三轴耐压试验的标准试验方法
【标准号】:ASTMD2850-2003a(2007)
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D18.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘性土壤;耐压强度;建筑;施工材料;土壤;测试
【英文主题词】:cohesivesoil;lateralconfinement;strain-controlledloading;stress-strainrelationships;totalstresses;unconsolidatedundrainedstrength
【摘要】:1.1Thistestmethodcoversdeterminationofthestrengthandstress-strainrelationshipsofacylindricalspecimenofeitherundisturbedorremoldedcohesivesoil.Specimensaresubjectedtoaconfiningfluidpressureinatriaxialchamber.Nodrainageofthespecimenispermittedduringthetest.Thespecimenisshearedincompressionwithoutdrainageataconstantrateofaxialdeformation(straincontrolled).1.2Thistestmethodprovidesdatafordeterminingundrainedstrengthpropertiesandstress-strainrelationsforsoils.Thistestmethodprovidesforthemeasurementofthetotalstressesappliedtothespecimen,thatis,thestressesarenotcorrectedforpore-waterpressure.Note1ThedeterminationoftheunconfinedcompressivestrengthofcohesivesoilsiscoveredbyTestMethodD2166.Note2Thedeterminationoftheconsolidated,undrainedstrengthofcohesivesoilswithporepressuremeasurementiscoveredbyTestMethodD4767.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.3.1Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesstatedininch-poundunitsandgiveninparenthesesareapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:6P.;A4
【正文语种】: