ASTM D4546-2003 粘性土的单维膨胀或沉降趋势的标准试验方法

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【英文标准名称】:StandardTestMethodsforOne-DimensionalSwellorSettlementPotentialofCohesiveSoils
【原文标准名称】:粘性土的单维膨胀或沉降趋势的标准试验方法
【标准号】:ASTMD4546-2003
【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(ASTM)
【起草单位】:D18.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;地面沉降;粘性土;膨胀
【英文主题词】:Expansivesoil;heave;laboratorytests;settlement;swellpressure;swellindex;
【摘要】:1.1Thesetestmethodscoverthreealternativelaboratorymethodsfordeterminingthemagnitudeofswellorsettlementofrelativelyundisturbedorcompactedcohesivesoil.Note18212;RefertoSection5todeterminethebestmethodforaparticularapplication.1.2Thetestmethodscanbeusedtodetermine(a)themagnitudeofswellorsettlementunderknownvertical(axial)pressure,or(b)themagnitudeofverticalpressureneededtomaintainnovolumechangeoflaterallyconstrained,axiallyloadedspecimens.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesstatedininch-poundunitsareapproximate.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4.1Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P.;A4
【正文语种】: