ASTM D7312-2007 采用超级铺面剪切试验器(SST)测定沥青混合物的永久剪切应变和复数切变模量用标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminingthePermanentShearStrainandComplexShearModulusofAsphaltMixturesUsingtheSuperpaveShearTester(SST)
【原文标准名称】:采用超级铺面剪切试验器(SST)测定沥青混合物的永久剪切应变和复数切变模量用标准试验方法
【标准号】:ASTMD7312-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D04.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:沥青;施工材料;测定;永久的;道路建筑;剪切;剪切模量;剪切应变;应变;试验设备;试验
【英文主题词】:complexshearmodulus;frequencysweep;permanentstrain;repeatedshear;sheartesting
【摘要】:Thetestproceduresandassociatedanalysistechniquesdescribedinthismethodcanbeusedtodeterminecomplexshearmodulusandpermanentshearstrainofasphaltmixtures.Theshearfrequencysweeptestatconstantheightcanbeusedtodeterminethecomplexshearmodulusofamixture.Therepeatedsheartestatconstantheightcanbeusedtodeterminepermanentshearstrainunderrepeatedloading.Note48212;Thecomplexshearmodulusisusedtocharacterizetheshearbehaviorofthemixture,andthepermanentshearstrainrelatestopavementrutting.1.1Thisstandardprovidesperformance-relatedtestproceduresforthedeterminationofstiffnesscomplexshearmodulusandpermanentshearstrainofasphaltmixturesusingtheSuperpaveShearTester(SST).Thisstandardisapplicabletothetestingandanalysisofmodifiedandunmodifiedasphaltmixtures.1.2Thisstandardisapplicabletospecimenspreparedinalaboratoryorcoredfromapavementforpost-constructionanalysis.Itisintendedforusewithspecimenshavingthefollowingminimumdimensions:
【原文标准名称】:采用超级铺面剪切试验器(SST)测定沥青混合物的永久剪切应变和复数切变模量用标准试验方法
【标准号】:ASTMD7312-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D04.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:沥青;施工材料;测定;永久的;道路建筑;剪切;剪切模量;剪切应变;应变;试验设备;试验
【英文主题词】:complexshearmodulus;frequencysweep;permanentstrain;repeatedshear;sheartesting
【摘要】:Thetestproceduresandassociatedanalysistechniquesdescribedinthismethodcanbeusedtodeterminecomplexshearmodulusandpermanentshearstrainofasphaltmixtures.Theshearfrequencysweeptestatconstantheightcanbeusedtodeterminethecomplexshearmodulusofamixture.Therepeatedsheartestatconstantheightcanbeusedtodeterminepermanentshearstrainunderrepeatedloading.Note48212;Thecomplexshearmodulusisusedtocharacterizetheshearbehaviorofthemixture,andthepermanentshearstrainrelatestopavementrutting.1.1Thisstandardprovidesperformance-relatedtestproceduresforthedeterminationofstiffnesscomplexshearmodulusandpermanentshearstrainofasphaltmixturesusingtheSuperpaveShearTester(SST).Thisstandardisapplicabletothetestingandanalysisofmodifiedandunmodifiedasphaltmixtures.1.2Thisstandardisapplicabletospecimenspreparedinalaboratoryorcoredfromapavementforpost-constructionanalysis.Itisintendedforusewithspecimenshavingthefollowingminimumdimensions:
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