瀝青路面預防性養(yǎng)護決策研究.pdf

1、長沙理工大學碩士學位論文瀝青路面預防性養(yǎng)護決策研究姓名：何超云申請學位級別：碩士專業(yè)：交通運輸規(guī)劃與管理指導教師：楊明20090315AbstractAstheconstructionofdomesticexpresswaydevelopsrapidly，moreandmoreexpresswayneedmaintenance，SOthatthemaintenancefundsarerelativelyinshortofsupplyan

2、dthequalityofmaintenancesislowAsphaltpavementisthemainstructuralstyleofexpresswayinChina；howeveritsearlydisrepairisrelativelycommon，whichisamaintaskofmaintenanceComparedwithtraditionalmaintenancestyle，preventivemaintenan

3、ceisanactivemaintenancepatternthatcanfulfilltherequirementofcurrentmaintenancemuchbetterThus，itisnecessarytoaddressthepreventivemaintenanceofasphaltpavementThethesishasconductedtheresearchtotheexpresswayasphaltpavementpr

4、eventivemaintenancedecisionmakingThemainachievementofthisthesisarebrieflymentionedasfollows：Firstly，analyzesthetechnicalandeconomicbenefitsofasphaltpavementpreventivemaintenance，whichaimstoanswerthequestion‘‘whyshouldWeu

5、tilizepreventivemaintenanceinsteadofmaintainingafterwards”Throughtheanalysispresentasphaltpavementoperationalperformance‘Sevaluatingindicatorsystem，fortheadaptationhighwayroadsurfaceoperationalperformance’Sappraisal，make

6、stheimprovementtothepresentappraisalsystemAccordingtothedisadVantagesofcurrentlyutilizedmodels，acomprehensiveforecastingmethodisthenproposedtoforecasttheperformanceofpavementTakingthepavementperformanceindex(PQI)astheopp

7、ortunityindex，todefinethepreventivemaintenanceopportunityAnalyzetheasphaltpavementpreventivemaintenanceexistingmeasureandtheirserviceabilityAndsummarizethepreventivemaintenancemeasuredecisionmaking’Sinfluencingfactor，the

8、principleandthemethodInordertotakeintoaccounttheprojectspecificfactors，amultihierarchyfuzzydecisionmodelisfinallyformulatedtodecidethefinalpreventativemaintenancemeasureofasphaltpavementKeyWords：Asphalt—Pavement；Preventi