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【英文标准名称】:StandardPracticeforLaboratoryPreparationofChemicallyGroutedSoilSpecimensforObtainingDesignStrengthParameters
【原文标准名称】:达到设计强度参数的化学灌浆土壤样品的实验室制备标准规程
【标准号】:ASTMD4320-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D18.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:实验室;尺寸稳定性;工艺;施工材料;准备;建筑;土壤;试样
【英文主题词】:chemicalgrout;chemicalgroutedsoils;curingconditions;grouting;groutinjection;strength;unconfinedcompressivestrength
【摘要】:Thepurposeofthispracticeistopreparespecimensofchemicallygroutedsoilsfortestinginunconfinedortriaxialcompression,whenthetestdataistobeusedfordesignpurposes.Note38212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thispracticecoversthelaboratorypreparationofchemicallygroutedsoilspecimensforuseinlaboratoryteststodeterminedesignstrengthparameters.Note18212;Thispracticemaynotbeapplicabletogroutmixtureswithgeltimesshorterthanthetimerequiredtosaturatethespecimenwithgrout.1.2Thespecimensareintendedforbothstrengthandmodulusdeterminationinunconfinedandconfinedcompressiontesting.Note28212;PreparationmethodsforspecimenstobeusedforotherpurposesaredescribedinTestMethodsD4219andD5202.1.3Thispracticerequirestheinjectionofgroutintosoilspecimensalreadyfabricatedtoadesireddensity.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4.1Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedbelow.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.1.7Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaprojectsmanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.8Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:5P.;A4
【正文语种】: