青藏公路路基面不均勻變形分析與處治研究.pdf

1、長安大學碩士學位論文青藏公路路基面不均勻變形分析與處治研究姓名：李洪蛟申請學位級別：碩士專業(yè)：道路與鐵道工程指導教師：支喜蘭20110609AbstractQinghaiTibetHighwayisimportantForitsspecialenvironmentalconditionsandgeographical，thefreezingandthawingarepronetooccurwiththeseasonchanging，wh

2、ichmayleadtheunevenpavementdeformmionInordertoensuredrivingcomfortanddrivingsafety，treatmentmeasuresforpavementinhomogeneousdeformationisnecessarytobeproposedIthasimportanttheoreticalandpracticalsignificanceformaintenanc

3、eofpavementandsubgrade1BasedontheQinghaiTibetHighwayonsiteinvestigation，theanalysisofthereasonsforthedevelopmentofinhomogeneousdeformmionandimpactfactorswereproposedThetreatmentsforhorizontalandverticalnonuniformdeformat

4、ionwerealsoputforward2ThemodelforinhomogeneousdeformationWasestablishedandtheinhomogeneousdeformationcausedbyheightofsubgrade，modulusforthestructureandthawingdepthwasanalyzed3Basedonthenumericalcalculationandtheoreticala

5、nalysis，thecomprehensivetreatmentmeasuresandcriteriafornonuniformdeformationoftheQinghaiTibetHighwayWaspresented4Byfiniteelementnumericalsimulationforthenon—uniformdeformationaftertreatmentmeasures，therelatedtechnicalpar

6、ametersweredeterminedThispaperfocusesontheQinghai—TibetHighwaypavementunevendeformationanditstreatmentmeasuresItprovidesthetheoreticalbasisfortreatmentoftheunevendeformationandismeaningfulforthemaintenanceofQinghaiTibetH