道路結(jié)構(gòu)層間性能評(píng)價(jià)方法.pdf

1、長(zhǎng)安大學(xué)碩士學(xué)位論文道路結(jié)構(gòu)層間性能評(píng)價(jià)方法姓名：郭鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：陳華鑫20110530AbstractShearslipandreflectcrackaretwoofthemostseriousdamagesinasphaltpavementAsthereareseveraldifferentkindsofmethodsinshearingandcrackingtest，Theresearchaim

2、edatbuildinganunifiedtestmethodsandevaluatingindexamulti—functioninterlayerstresstesterwhichcouldbeusedonbothshearingandcrackingtestingFirstlymechanismofshearslipwasstudied，bondingandfrictionwerethoughttobethekeyfactorst

3、oimproveshearresistance，thepull—apartfunctioncouldbeusedonbondingstrengthmeasurementonlyshearapartfunctioncouldbeusedonthecombineeffectionfobothbondingandfrictionSomecommonpavementstructureweretestedbythetwomethod，therea

4、sonandevaluationwereanalizedeitherTestsappearedthatinterfacewithSBSmodifiedemulsionshowedbettershearstrengththanSBRmodifiedemulsionThen，mechanismofreflectingcrackwasstudiedeitherStiffnessofstressabsorbtioninterlayerwasth

5、oughttobethekeyfactors，threekindsofstressabsorbtioninterlayerweretestedbytheinstrument，includingSAMI，SAMPAVEandSTRATA，thestiffnessmodulusandanti—crackfuntionwereevaluatedbythecurvesofstress—strainTestsappearedthatSTRATAa