現(xiàn)有液化識別方法對比分析.pdf

1、中國地震局工程力學(xué)研究所碩士學(xué)位論文現(xiàn)有液化識別方法對比分析姓名：唐福輝申請學(xué)位級別：碩士專業(yè)：固體力學(xué)指導(dǎo)教師：孫銳201105ABSTRACTIIIABSTRACTThekeytechnologyofrealtimealarmliquefactionisusingseismicrecdstoidentifyliquefied.Currentlythemainmethodsofliquefactionidentificationbas

2、edonstrongmotionrecdsaremethodofMiyajimamethodofSuzukimethodofKostadinovYamazaki(methodofKY)methodofSR—YXM(methodofSY).ThesefourmethodshavedonetheselftestofthesuccessrateindependentlyinthepastTestresultsaregood.Butthesel

3、ftestconsistsofthreesignificantshtcomingsFirsttheyusedifferentsamples.Secondthereisnocategyfeachtestsite.Thirdalltheindicatswerenotverifiedrespectively.Therefeitisdifficulttoevaluatetheadvantagesdisadvantagesofeachmethod

4、itisdifficulttoimprovethem.Inthispaperwearguethatthemostessentialrequirementsfmethodsofliquefactionidentificationinpracticalengineeringisthatthesemethodshouldhavetheabilityofdistinguishingliquefactionsitefromnonliquefact

5、ionsoftsite.Therefeseismicrecdsamplesshouldbeclassifiedexaminationoftheproposedmethodsshouldfocusonthefeasibilityfsoftmediumsoftsoilsite.Inviewofthisthepaperapplysunifmsampleofsiteclassificationtothecomparisonofthereliab

6、ilityofthefourexistingliquefactionidentificationmethodsgivesevaluationresultsrecommendationsffurtherimprovement.Themainwksinclude:1.Seekthemostessentialrequirementsfmethodsofliquefactionidentificationdeterminetheprincipl

7、eofingtheseismicsamplerecds.representativesamplesfromthefamousearthquakeathomeabroad.2.Replicatethethreefeignliquefactionidentificationmethods:methodofMiyajimamethodofSuzukimethodofKY.Applythenewunifiedsampletothetestoft

8、hefourmethods.Analysetheidentificationefficiencyofthefourmethodsparameters.3.TesttheapplicabilityofthemethodofMiyajimathemethodofSuzukithemethodofKYmethodofSYonsoftsoilsitesanalyzethemisjudgereasonsofthemethodstosoftsoil

9、sites.4.Comparetheperfmanceofthefourmethodsunderdifferentsitescategy.Comparetheefficiencyofparametersofthefourmethods.Proposetherecommendationsffurtherimprovethemethodsofliquefactionidentification.5.Ftheliquefactioncondi