高速公路舊水泥砼路面結(jié)構(gòu)性能評(píng)價(jià)方法研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文高速公路舊水泥砼路面結(jié)構(gòu)性能評(píng)價(jià)方法研究姓名：彭前程申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：道路與鐵道工程指導(dǎo)教師：吳瑞麟20061107IIAbstractStructuralperfmanceevaluationofoldconcretepavementispreconditionbasementofoverlayingrebuilding.Theprojectofoverlayingrebuildingontheoldpa

2、vementissupposedtomakefulluseofthestructureoftheremainedpavement.Theschemecanbothmakethestructurebeabletobearingtheweightoftrafficloadsinfuturesavethecostofproject.Astructureperfmanceevaluationsystemofoldconcretepavement

3、waserectedbasedontraditiontestingmethodofoldconcretepavementrelyingontheresearchitem“perfmanceevaluationofoldpavementcountermeasuretowideningofthecommunalsectionofthethirdringroadofWuhancitytheWuhuangfreeway”.Thestructur

4、alperfmanceevaluationofoldconcretepavementcouldbedividedintotwoparts:thefirstonewasthestructureintegralityevaluationofoldconcretepavementthesecondwastheassessingofstructureparametersofoldconcretepavement.Thestructureinte

5、gralityincludedthreeparts:thestructuraldamageconditiontheloadtransferringperfmanceofblockseamtheconditionofinterspacingbeneathslab.FirstADINAsoftwarethogonalexperimentationmethodwereusedtocarrythroughthethreedimensionalf

6、initeelementemulationanalysisofdefmationstressofslabunderthestardload.Basedontheresultsofdefmationemulationanalysisnewevaluationmethodevaluationcriterioncouldbeerectedthedegreeofimpactoftheloadtransferringperfmanceofbloc

7、kseamtheconditionofinterspacingbeneathslabtothestructureintegralitycouldbedetermined.Accdinglytheweightcoefficientinthesyntheticevaluationofstructureintegralitycanbedetermined.Secondthestructuraldamageconditiontheloadtra

8、nsferringperfmanceofblockseamtheconditionofinterspacingbeneathslabwasevaluated.AccdingtothemethodinthecriterionthestructuraldamageconditionwasdepictedbyDBLindextheloadtransferringperfmanceofblockseamwasdepictedbytheavera