季節(jié)滲流邊坡的穩(wěn)定性研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文季節(jié)滲流邊坡的穩(wěn)定性研究姓名：彭小東申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：陸陽20080401西南交通大學(xué)碩士研究生學(xué)位論文第2頁AbstractThestabilityanalysisofslopesisoneofthesignificantprojectsinGeotechnicalengineeringworldItisrelatedtomanyfactors，suchasgeologicalst

2、ructure，characteroftherockandsoil，constructiondisturbance，groundwarter，andSOon，ofwhichgrougwaterisoneofthemostmainfactorsInviewofthis，thepapertakestheWangJianglinslopeasabackingBasedonthewidespreadcollectionoflocalhydrog

3、eologicdataandmethodofin—situmonitoringcombinedwithnumericalsimulation，thestabilityoftheslopeingroundwaterseepagehasbeenevaluatedThefollowingresultshavebeenobtained：1Commonprincipleofthemonitorsystemsdesignandapplication

4、hasbeenproposedThemonitorsystemhasbeendesignedbasedonthecharactersoftheWangJianglinslope，andacquiresrelevantdataThenbyanalyzingthedata，threemayorfactors，infiltrationoftherainfall，outerloadandconstructionperturbationhaveb

5、eenfoundtocausetheslopelocaldisplacementverylarge2Thepapersetsup3DnumericalmodelofWangJianglinslope，thenitutilizesFLAC3Dtocalculatefluidsolidcouplingmodel，finallyitcomparesthedisplacementinrainyseasonwiththatindryseasonT

6、heresultsindicatethedisplacementinrainyseasonisovertwiceaslargeasthatindryseason，andthatthestabilityinrainyseasonispoorerFromtheresults，theplacewherethelargestdisplacementhappenshasbeenfoundandthelargestdisplacementhasbe

7、encalculatedTheglobalstabilityoftheslopehasbeenalsoanalyzed3Byanalyzingthemodelandthedata，itshowstherainfallisthemaininducedfactorbringingontheslopeinstabilityTheinfiltrationofrainwatermakessaturationoftheslopesoilincrea