基于GIS的潛在砂土液化危險性分析.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文基于GIS的潛在砂土液化危險性分析姓名：林松建申請學(xué)位級別：碩士專業(yè)：固體地球物理指導(dǎo)教師：李時燦曲國勝20010601RiskAnalysisofPotentialEarthquakeinducedSandLiquefactionBasedonGISABSTRACT硒skanalysisofpotentialearthquakeinducedsandliquefactioniSthemainpartofsi

2、tedamageeffectanalysiscausedbyearthquakeThepurposeistomeettheantiearthquakedesignandteducethedamageoffutureearthquakeWemse鯽chthesitedamagee踟ctcausedbyearthquakeusingriskanalysisofpotentialearthquakesandliquefactionandtak

3、edifferentprotectionmeasureaccordingtothedifferentengineeringinordertokeepoffunfavourablesiteThesemethodsassuregoodcityplan，appropriatelandUseandsustainabledevelopmentofcitySotheriskanalysisofpotentialearthquakesandlique

4、factionisthebasisofearthquakeresistantplancityandhavegreatimportanceintheresearchworkonurbanshockproofanddisasterreduceInordertomeettheneedofurbanantiearthquakeandreducedisastersystem，thedataandfactorrelatedwithsandlique

5、factionalesystematicallystudiedTheboreandsoildataofFuzhuareanalyzedAllthesearebasedontheresultof“SeismicHazardPredictionandCotmtermeasuresofSeismicHazardPreventionandReductioninPuzhouUrbanArea’projectTheFuzhousitesoilinf

6、ormationsystemisbuiltfinallyThedevelopmentofresearchbothdomesticandabroadliquefactionwasintroducedatfirstItalsoassessedseva[alliquefactionevaluationmethodsoftenusedatpresentanddiscussesthefactoraffectingsandliquefactionT

7、henthehistoricearthquakedamageanalysiswasmadeandS”methodwasmodifiedwhichwasoftenusedinindustrialandciviIbuildingcodeinchina11地modifierformulasadoptedtranscendentaIprobabilitymethodthenwasusedtoZOnesandliquefactionintheno

8、rthbankofMinjiangRiVerinFmhouurbanAtlastsite—soiIinformationdatabaseofsandliquefactionanalysisWasbuiltinGISMainResultsofthispaperiSachievedasfuIlow：1111edataofsandIiquefactioncausedbycarthquakearecollectedConsideringsand

9、liquefactionassessmethodusedinindustrialandciviIbuildingcodethemodifierformulasWasgiventowhichtheparticlediamctermodifiedcoefficientWasaddedBycomparingthemodifierformulaswithformerformulasasatisfactoryconclusionWasdrawn2

10、，Basedonthegroundshockmicrozonation。theprobabilisticmethodWasusedtoanalyzeriskZOningofpotentialsandliquefactionThreeZOningsweredividedinMinjiangRivernorthbankofFuzhouurbanTheyweretranscendentaIprobabilityIessthaolO％moiet

11、han20％andbetweenthem。nesandliquefectioninfluancecanbeignoredwhenthetranscendentalprobabilityofZOningslessthan10％andhavingsetprotectionunder7inteusitywhilecertainmeasugl瞎shouldbetakentodispelorreducesandliquefactionwhenth

12、atofthezuningsmorcthan20％Forthezoning’Stranscendentalpmbabilitybetween10％and20％。wecantake∞mem∞su陽orignoretheeffectaccordingtothedegreeoftranscendentalprobability3、Accordingtotheresultofgmundshockmicrozonation，sandliquefa