ASTM D3877-2008 土壤石灰混合物单向膨胀,收缩和隆起压力的标准试验方法
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【英文标准名称】:StandardTestMethodsforOne-DimensionalExpansion,Shrinkage,andUpliftPressureofSoil-LimeMixtures
【原文标准名称】:土壤石灰混合物单向膨胀,收缩和隆起压力的标准试验方法
【标准号】:ASTMD3877-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:expansion;lime;permeability;soil-lime;uplift;volumeshrinkage;Expansionpressure;Limecontent--soil-limemixtures;Permeability--soil/rock;Shrinkage--soil;Soil-limemixtures;Upliftcapacity/pressure
【摘要】:Fromtheseteststherelativeexpansivepotentialofsoil-limemixturescontainingvaryingamountsoflimecanbeevaluated.Fromsuchanevaluation,theamountoflimerequiredtoreduceexpansiontoacceptablelevelscanbedetermined.Thedatacanthenbeusedforthedesignandspecificationrequirementsforsubgradesandstructuralfillswhereexpansivesoilsareencounteredanditisdesiredtogiveacertaindegreeofexpansion-shrinkagecontroltostructurefoundationsandroadsubgrades.Thetestswillalsoshowifthespecificsoilsareamenabletolimestabilization.Note28212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/andthelike.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thesetestmethodsprovideproceduresforconductingexpansion,shrinkage,andupliftpressuretestsoncompactedsoil-limemixturesandcanbeusedtodeterminethelimecontentrequiredtoachievedesiredcontrolofvolumechangescausedbyincreasesordecreasesofmoisture.1.2Thetestscanbeusedtodetermine(a)themagnitudeofvolumechangesundervaryingloadconditions,(b)therateofvolumechange,and(c)themagnitudeofpressurechangeasmoisturechangesofthesoil-limemixturetakeplace.Thepermeabilityofsoil-limemixturecanalso,ifdesired,bedeterminedatthevariousloadconditions.Note18212;Changesinfieldconditionscanhavemajoreffectsontheexpansionandshrinkagecharacteristicsofexpansivesoils.Therefore,tothegreatestextentpossible,initialandanticipatedfuturefieldconditionsshouldbeduplicated,particularlywithrespecttomoistureanddensity.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD60261.3.1Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:13_080_20
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:土壤石灰混合物单向膨胀,收缩和隆起压力的标准试验方法
【标准号】:ASTMD3877-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:expansion;lime;permeability;soil-lime;uplift;volumeshrinkage;Expansionpressure;Limecontent--soil-limemixtures;Permeability--soil/rock;Shrinkage--soil;Soil-limemixtures;Upliftcapacity/pressure
【摘要】:Fromtheseteststherelativeexpansivepotentialofsoil-limemixturescontainingvaryingamountsoflimecanbeevaluated.Fromsuchanevaluation,theamountoflimerequiredtoreduceexpansiontoacceptablelevelscanbedetermined.Thedatacanthenbeusedforthedesignandspecificationrequirementsforsubgradesandstructuralfillswhereexpansivesoilsareencounteredanditisdesiredtogiveacertaindegreeofexpansion-shrinkagecontroltostructurefoundationsandroadsubgrades.Thetestswillalsoshowifthespecificsoilsareamenabletolimestabilization.Note28212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/andthelike.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thesetestmethodsprovideproceduresforconductingexpansion,shrinkage,andupliftpressuretestsoncompactedsoil-limemixturesandcanbeusedtodeterminethelimecontentrequiredtoachievedesiredcontrolofvolumechangescausedbyincreasesordecreasesofmoisture.1.2Thetestscanbeusedtodetermine(a)themagnitudeofvolumechangesundervaryingloadconditions,(b)therateofvolumechange,and(c)themagnitudeofpressurechangeasmoisturechangesofthesoil-limemixturetakeplace.Thepermeabilityofsoil-limemixturecanalso,ifdesired,bedeterminedatthevariousloadconditions.Note18212;Changesinfieldconditionscanhavemajoreffectsontheexpansionandshrinkagecharacteristicsofexpansivesoils.Therefore,tothegreatestextentpossible,initialandanticipatedfuturefieldconditionsshouldbeduplicated,particularlywithrespecttomoistureanddensity.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD60261.3.1Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:13_080_20
【页数】:6P.;A4
【正文语种】:英语
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