土坡最危險滑動面的三維搜索方法研究.pdf

1、諼步犬海碩士學位論文十坡最危險滑動面的三維搜索方法研究專業(yè)名稱：研究方向：研究生：指導教師：地質(zhì)工程巖體工程張常亮李同錄教授二00五年五月AbstractThreedimensionallimitequilibriumanalysisofslopestabilityisdevelopingComparedwithtwodimensionalmethod，thismethodcanreflecttheconditionoftheslope

2、moreClosertothefactAndfewresearchesofsearchingthepotentialslidingsurfaceatthepointofthree—dimensionhavebeendoneSo，itisverysignificantandvaluableforUStodevelopthismethodInthispapertheauthoranalyzessomeproblemsasfollow：Fir

3、st，theauthordevelopsGaodebinandWangyanxia’Smodelofthree—dimensionalslopebyreplacingtheslicesmethodofanalysiswithdefiniteintegralIntheintegralmethod，theslopeneedn’ttobedividedintomanyslicesinordertocalculate，thus，theclass

4、ificationcalculationoftheslicevolumeinWangyanxia’Smodelcallbeavoided，andalso，bythismeans，thecalculationquantitycanbedecreased，thecalculationprecisioncallbeimprovedAtthesametime，theauthoralsoassumestheoppositedirectionoft

5、hebottomslidingsurfacedipasthedirectionoftheshearstressonit，SOastomakethevaguedirectionspecifiedSecond，onthebasisofDenghongkeandZhaojianli’SmodelofsearchingthepotentialslidingsurfaceintWO—dimensionalslope，theauthorintrod

6、ucedanewquicklysearchmethodinthree—dimensionalslopeThismethodbywhichwecallgettheidealresultwhichismoreclosertothefactthroughcontrollingfourvariatesandfourtimescirculatingisdoneabsolutelyatthepointofthreedimensionThismeth

7、odthatfewdonowalsocanprovidessomeinspirationstothefutureresearchThird，toabove—mentionedimprovements，aprogramisdesignedandsomeexamplesarecomputedbythisprogramItisindicatedthattheseresultsarecrediblebycomparingtheseresults

8、withthemeasureresultoftheslopeonthespotWecarlgetthemostriskpotentialslidingsurfaceatthepointofthreedimensionthroughthemodelinthispaper，whichverifiesP燦iazheng’Sminimumtheorythatslopealwaysslideonthesurfacewithminimalstabl