基于向量空间的沥青路面质量评定方法分析

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1、ABSTRACTWiththecontinuousimprovementofthelevelofhighwayinChina，highgradehighwaynetworkhasbeenimproved，howtodetectandevaluatethequalityofpavement，istheveryimportanttopic．Atpresentaftertheinvestigationofdomesticengineeringqualityinspection，wefindthatthecurrentspeci

2、ficationaskforsomequalitytestingindexmorebroadly，itisoftenthatduringtheconstructiontherequirementedindexallqualifiedevenreachtheexcellentlevel，buttheoperationwillsoonappearallsortsofearlydamage，theactualengineeringqualitycan’tcompletelymeetthat．Inaddition，existin

3、gasphaltpavementevaluationmethodhassomeproblemsinpracticalapplication，suchastheevaluationresultwasnotaccurateenoughanddatacollectionefficiencyiSlower．Therefore，itneedsestablishingasetoftheasphaltpavementqualityassessmentofthenewsystemandthenewmethod，canmorescient

4、ificlyevaluatetheactualpavementengineeringqualitylevel．Thispaperanalyzesthecurrenthighwayasphaltpavementqualityinspectionandevaluationstandard，andasphaltpavementconstructiontechnologystandards，putsforwardthevectorspacequalityevaluationmethodwhichissuitableforthen

5、ewly·builtasphaltpavement．Consideringdifferentindexhavethedifferentinfluenceontheperformanceasphaltpavement，selectindexthatlargelyeffectonthequalityofasphaltpavementasaspecificreferenceindexinthecompletionacceptance．Andthendividetheindex’Sgradesintofourlevelsofex

6、cellent，good，qualifiedandtheunqualified．Basedonthestandard，theliteratureandtheactualsituationOftheproject，selectedindicators’correspondinggradestandardlevel，thisprocessusedtheprogressiveaveragemethod．Inviewofuncertaintyandcomplexityintheprocessofperformanceevalua

7、tion，basedontheentropyandthevectorspacetheory，theevaluationsystemisestablishedinperformanceevaluation，andthefuzzyinclassificationofeveryindexwasconsidered．TheweightofeachindexwasdeterminedbySubjectivityweightmethodandentropymethodtoconsiderdataobjectivityandclass

8、ificationsubjectivity．TaketheexampleofthehighwayformNingYuantoDaoXiantoverifypracticabilityofthisway．Computationresultshowsthat：theleverofthepavementismediumcl