沥青路面结构信息监测数据挖掘分析

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1、哈尔滨工业大学工学硕士学位论文AbstractFieldmeasurementresearchofdynamicresponsesinasphaltpavementstructureisoneoftheimportantmeanstoclarifythedamagemechanismofasphaltpavementincomplexenvironment.Withtherapiddevelopmentofsensormonitoringtechnologyandcomputertechnology,long-termmonitori

2、ngoftheasphaltpavementstructureandalargenumberofdataaccumulationbecomepossible.Manymonitoringprojecthadaccumulatedalotofpavementdynamicresponsesdataandenvironmentaldata.However,theexistingresearchfocusesontheregularitydescriptionofmonitoringdata,failedtousehugeamountsof

3、data.Thepaperintroducedthetheoryofdataminingtothefieldofasphaltpavementstructureinformationmonitoringtoanalysisthepavementstructureinformationdataeffectively.Thepaperresearchedmassdataprocessingmethod,analyzedthedynamicresponsesofasphaltpavementstructureundercomplexenvi

4、ronmentandforecastedtheperformanceofasphaltpavementbasedonthedatamining.Themainresearchcontentsandresultsareasfollows.Firstofall,thecommonmethodstocollectandstoretheasphaltpavementstructuremonitoringdatawereanalyzed.Themassivedataprocessingmethods,suchasthewaytodetermin

5、ekeyinformationextraction,datafiltering,validdatadeterminingwereresearched.Theapplicationofdatamininginroadengineeringandotherrelatedfieldswereanalyzed,suchasbridgemonitoring,tunnelmonitoringandslopemonitoring.Thedataminingconceptaboutasphaltpavementmonitoringdatawasput

6、forward.Thesuitablemethodswereresearchedtominingthehugeamountsofasphaltpavementstructureinformationmonitoringdata.Secondly,miningthetemperaturedatacombinedwithnumericalsimulationmethodtostudythedynamicresponsesofasphaltpavementstructureinactualtemperaturefield.Anasphalt

7、pavementstructuretemperaturefieldanalysismodeloffiniteelementwasestablished.Temperaturefieldnumericalsimulationmethodbasedonthemeasuredtemperaturedataatthekeypositionofasphaltpavementstructurewasresearched.Theresultswerecomparedwiththemeasuredtemperaturetoverifytheeffec

8、tivenessoftemperaturesimulatemethod.Anasphaltpavementstructuredynamicanalysisthree-dimensionalfiniteelementmod