岩土边坡地震崩滑(英)-孙进忠.ppt

《岩土边坡地震崩滑(英)-孙进忠.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、EstimationandPredictionofEarthquake-inducedCollapseorSlideofRockorSoilSlopewithThreeStepsJinzhongSun1，XiangChen1，YuqingWang21.ChinaUniversityofGeosciences,Beijing1000832.ArchitectureInstitute,ChinaMetallurgyIndustryGroup,Beijing100088EstimationandPredictionofEarthquake-

2、inducedCollapseorSlideofRockorSoilSlopewithThreeSteps1Introduction2ElementaryEstimation3FurtherEstimation4DetailedEstimation5Expectation1Introductionsignificanceofestimationofearthquake-inducedinstabilityofrockorsoilslopeandrelativedevelopment1IntroductionCharacteristic

3、sofearthquake-inducedcollapseandslideofslopesOccurrenceinmassivegroupDistributioninlargeareaPropermeasuresforestimationandpredictionSetupamethodologicalsystemforthepredictionofearthquake-inducedlandslidesofrockorsoilmasswithjudgementandfilterondifferentlevelsfromroughto

4、fine.RelativedevelopmentIn1993,InternationalAssociationofSoilMechanicsandFoundationEngineeringputforwardasetofmethodsfortheestimationandpredictionofearthquake-inducedcollapseorslideofslopewiththreesteps.InChina,themostcommonlyappliedmethodssuchaspseudostaticanalysisetc.

5、areincorrespondencewithexactpredictioninthethirdstepofthreestepmethodmentionedabove.Acertainstudiesrelativetothefirstandsecondsteparealsocarriedoutrecentyearsandhaveobtainedsomeresults.EstimationandPredictionofEarthquake-inducedCollapseorSlideofRockorSoilSlopeswithThree

6、Steps1Introduction2ElementaryEstimation3FurtherEstimation4DetailedEstimation5Expectation2ElementaryEstimationPossibilityestimationofearthquake-inducedcollapseorslideofrockorsoilslope2ElementaryEstimationTaskofelementaryestimationCircletheareacoverageinwhichearthquake-in

7、ducedcollapseandslideofrockorsoilslopesarelikelytotakeplace.ThebasicrelationshipconsideredinelementaryestimationTherelationshipbetweenearthquakeparametersandmovementsofrockorsoilslope.Leadingaspect:IntensityofearthquakeCriteriaforElementaryEstimationBasiccriterion:Inten

8、sityofearthquakeanditsinfluencearea,including:TheminimummagnitudeM0ofearthquakethatpossiblyinduceearthquake-in