斜坡路基稳定性计算及其不均匀沉降结构响应分析

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1、西南交通大学硕士学位论文斜坡路基稳定性计算及其不均匀沉降结构响应分析姓名：胡冰申请学位级别：硕士专业：道路与铁道工程指导教师：邱延峻20080501西南交通大学硕士研究生学位论文第1II页AbstractBasedontheresearchofembankmentdiseaseinMianguangHighway,thisstudyhavedonesomeresearchesonthestabilityanalysisofembankmentoverslopedgroundandcalculatingthedifferen

2、tialsettlementoftheembankmentandtheasphaltpavement．Throughthecalculatingwegetthemainfactorswhichhaveimportantinfluenceonthedifferentialsettlementoftheembankmentandtheasphaltpavement．Furthermore，weanalyzetherelationshipbetweeneachfactorsaccuratelybytheGreyRelationa

3、lAnalysismethod．ByusingthecalculatingsoftwareSLOPE／W,onecomposingofGeoStudio，weanalyzedthestabilityofembankmentoverslopedgroudatdifferentparameterasdifferentgradeoftheslope，differentheightoftheembankmentanddifferentwidthofthepavement，withtheMorgenstan．Pricemethod．

4、Theanalysisindicatedthat，thestabilitywouldbeworseandworseastheincreaseofthegradeandheight．Alsowefoundthat，ontheslipsurfaceoftheembankment，themiddlepartoftheslipsurfacehavebetterstabilitythanthebothsides．ByusingthesoftwareSIGMA／W,alSOapartofGeoStudio，weanalyzedthed

5、ifferentialsettlementoftheembankmentatdifferentparameterssuchasdifferentgroundgrade，differentpavementwidth，differentstrengthofembankmentandground，differentthicknessofthepavement．Throughthecalculatingwefoundthat，thetransmutationoftheembankmentisnomoreaxisymmetrical

6、ongthemiddleoftheembankmentbecauseoftheslope．Thesurfaceofthepavementhadobviousdifferentialsettlement，andSOdidtheembankment．Theanalysisindicatedthat，thefactorssuchastheslopegrade，embankmentheightandthestrengthoftheembankmentandthefoundationhadimportantinfluenceonth

7、edifferentialsettlement．Basedontheresultofthemainfactorsofthedifferentialsettlement，wemademoremodelswithintercrosscombinationofthosefactors．andcalculatedthebiggestdisplacementofthesurfaceofthepavementasaindexofdifferentialsettlement．Thenweanalyzedthecalculatingres

8、ultsbytheGreyRelationalAnalysismethod．inordertogettingtheaccuraterelationshipbetweeneachfactorwiththedifferentialsettlement．Theanalysisindicatedthat，the