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【英文标准名称】:Bituminousmixtures.Testmethodsforhotmixasphalt.Crackpropagationbysemi-circularbendingtest
【原文标准名称】:沥青混合料.热拌沥青混合料的试验方法.半圆弯曲试验方法的裂纹扩展
【标准号】:BSEN12697-44-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-10-31
【实施或试行日期】:2010-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Asphalts;Bendtesting;Bendingstrength;Bendingstress;Carriageways;Construction;Constructionmaterials;Cracktests;Cracking;Definitions;Fracturetoughness;Hotmixasphalts;Measurement;Measuringtechniques;Mechanicalproperties;Roadconstruction;Samplepreparation;Surfacing(exteriorspaces);Tensilestrength;Testspecimens;Testing;Three-pointloading
【摘要】:ThisEuropeanStandardspecifiestheSemi-CircularBending(SCB)testmethodtodeterminethetensilestrengthorfracturetoughnessofanasphaltmixturefortheassessmentofthepotentialforcrackpropagation.Theresultsofthetestcanbeusedtocalculate:?themaximumloadthatthematerialcontaininganotch(crack)canresistbeforefailure;?whenthepresenceofanotchiscritical.Itshouldbenotedthatthetestonlydescribesamethodtodeterminetheresistancetocrackpropagationofanasphaltmixture.Thecrackpropagationphasedescribesthesecondpartoffailuremechanismduringdynamicloading.Thefirstphase,whichisthecrackinitiationphase,ismainlycoveredbythefatiguetest(EN12697-24).
【中国标准分类号】:
【国际标准分类号】:93_080_20
【页数】:20P;A4
【正文语种】:英语