ASTM D7499/D7499M-2009 测量土工合成.土壤弹性界面剪切刚度的标准试验方法
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【英文标准名称】:StandardTestMethodforMeasuringGeosynthetic-SoilResilientInterfaceShearStiffness
【原文标准名称】:测量土工合成.土壤弹性界面剪切刚度的标准试验方法
【标准号】:ASTMD7499/D7499M-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geosynthetic;performancetest;pulloutresistance;soil;soil-geosyntheticinterfaceshearstiffness
【摘要】:5.1Thistestmethodisintendedasaperformancetesttoprovidetheuserwithasetofdesignvaluesforthetestconditionsexamined.5.1.1Thetestmethodisapplicabletoallgeosyntheticsandallsoilswhenloadedinacyclicmanner.5.1.2Thistestmethodproducestestdata,whichcanbeusedinthedesignofgeosynthetic-reinforcedpavementstructuresorinapplicationswheregeosyntheticsaresubjectedtocyclicloads.5.1.3Thetestresultsmayalsoprovideinformationrelatedtothein-soilstress-strainresponseofageosyntheticunderconfinedloadingconditions.5.2Informationderivedfromthistestmaybeafunctionofsoilgradation,plasticity,as-placeddryunitweight,moisturecontent,lengthandsurfacecharacteristicsofthegeosyntheticandothertestparameters.Therefore,resultsareexpressedintermsoftheactualtestconditions.Thetestmeasurestheneteffectofacombinationofinterfaceshearmechanisms,whichmayvarydependingontypeofgeosyntheticspecimen,embedmentlength,relativeopeningsize,soiltype,displacementrate,normalstress,andotherfactors.5.3Informationbetweenlaboratoriesonprecisionisincomplete.Incasesofdispute,comparativeteststodetermineifthereisastatisticalbiasbetweenlaboratoriesmaybeadvisable.1.1Thistestmethoddetailshowcyclicloadingisappliedtogeosyntheticsembeddedinsoiltodeterminetheapparentstiffnessofthesoil杇eosyntheticinterface.1.2Resilientinterfaceshearstiffnessdescribestheshearstiffnessbetweenageosyntheticanditssurroundingsoilunderconditionsofsmallcyclicloads.1.3Thistestmethodisintendedtoprovidepropertiesfordesign.Thetestmethodwasdevelopedformechanisticempiricalpavementdesignmethodsrequiringinputoftheresilientinterfaceshearstiffness.Theuseofthisparameterfromthistestmethodforotherapplicationsinvolvingcyclicloadingshouldbeevaluatedonacase-by-casebasis.Itcanalsobeusedtocomparedifferentgeosynthetics,soiltypes,etc.,andtherebybeusedasaresearchanddevelopmenttestprocedure.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thisstandardmayinvolvehazardousmaterials,andequipment.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:测量土工合成.土壤弹性界面剪切刚度的标准试验方法
【标准号】:ASTMD7499/D7499M-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geosynthetic;performancetest;pulloutresistance;soil;soil-geosyntheticinterfaceshearstiffness
【摘要】:5.1Thistestmethodisintendedasaperformancetesttoprovidetheuserwithasetofdesignvaluesforthetestconditionsexamined.5.1.1Thetestmethodisapplicabletoallgeosyntheticsandallsoilswhenloadedinacyclicmanner.5.1.2Thistestmethodproducestestdata,whichcanbeusedinthedesignofgeosynthetic-reinforcedpavementstructuresorinapplicationswheregeosyntheticsaresubjectedtocyclicloads.5.1.3Thetestresultsmayalsoprovideinformationrelatedtothein-soilstress-strainresponseofageosyntheticunderconfinedloadingconditions.5.2Informationderivedfromthistestmaybeafunctionofsoilgradation,plasticity,as-placeddryunitweight,moisturecontent,lengthandsurfacecharacteristicsofthegeosyntheticandothertestparameters.Therefore,resultsareexpressedintermsoftheactualtestconditions.Thetestmeasurestheneteffectofacombinationofinterfaceshearmechanisms,whichmayvarydependingontypeofgeosyntheticspecimen,embedmentlength,relativeopeningsize,soiltype,displacementrate,normalstress,andotherfactors.5.3Informationbetweenlaboratoriesonprecisionisincomplete.Incasesofdispute,comparativeteststodetermineifthereisastatisticalbiasbetweenlaboratoriesmaybeadvisable.1.1Thistestmethoddetailshowcyclicloadingisappliedtogeosyntheticsembeddedinsoiltodeterminetheapparentstiffnessofthesoil杇eosyntheticinterface.1.2Resilientinterfaceshearstiffnessdescribestheshearstiffnessbetweenageosyntheticanditssurroundingsoilunderconditionsofsmallcyclicloads.1.3Thistestmethodisintendedtoprovidepropertiesfordesign.Thetestmethodwasdevelopedformechanisticempiricalpavementdesignmethodsrequiringinputoftheresilientinterfaceshearstiffness.Theuseofthisparameterfromthistestmethodforotherapplicationsinvolvingcyclicloadingshouldbeevaluatedonacase-by-casebasis.Itcanalsobeusedtocomparedifferentgeosynthetics,soiltypes,etc.,andtherebybeusedasaresearchanddevelopmenttestprocedure.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thisstandardmayinvolvehazardousmaterials,andequipment.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:8P.;A4
【正文语种】:
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