應(yīng)用微動記錄對表層地盤進行簡易模型化的相關(guān)研究.pdf

1、同濟大學土木工程學院碩士學位論文應(yīng)用微動記錄對表層地盤進行簡易模型化的相關(guān)研究姓名：羅準申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：羅永峰20090401AbstractABSTRACTApplicationofmicrotremormeasurementsonevaluationofsoilpropertyhasbeenprovedasaileffectivetool，andbeingwidelyusedoverworldtheseye

2、arsAlthoughanumberofstudiesconcentratingonobservationandanalysisofmicrotremorhavebeenproposed，fewmethodsaregenerallyacceptedThisresearchdeals、7~，itllnoiseinfluenceonseveralpointsremainuncertainlyinpreviousstudies，anddisc

3、ussedthepossibilityofsoilpropertyevaluationbyutilizinganempiricalmethodTobespecific，first，basedonIQ(O)theoryofRayleighwaveextractionmethod，influenceofambientnoisetoIQ(0)valueisdiscussedSecond，soildepositevaluationbasedon

4、Haskell’Stheoryisconductedonbothnoiseinfluencedandnoiselessrecord，inordertoinvestigatenoiseinfluenceonevaluationresultLast，allempiricalmethodoftwolayersoilmodelingbasedonhorizontal—tovertical(H／V)spectralratioofmicrotrem

5、orisproposed，andappliedtoareasdevastedbytwomajorearthquakesoccurredin2007，relationshipbetweensoildepositdistributionanddamagetowoodenhousesarealsodiscussed111econclusionisshownaSbelow：(1)HighpossibilityofIQ(O)’SRayleighw

6、aveextractionmethodtoextractRayleighwavedominatinginternalhasbeenconfirmedButtheextractionresultmayalsoincludeanothercharacteristicsofvibrarationsource(suchaspassingcars)(2)MethodbasedonHaskell’Stheory(whichutilizeH／Vspe

7、ctrumratioonly)callbeusedtomodelingsubsurfacesoilprofile(3)EmpiricalmethodofmodelingsurficialsoildepositareappliedonKashiwazaki，NiigataandTohgeareaMonzenNoclearrelationshipbetweendamagetohousedandsitesoildepositarefoundi