路基不均匀沉降机理分析及强夯处治措施研究

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1、重庆交通学院硕士学位论文路基不均匀沉降机理分析及强夯处治措施研究姓名：颜春申请学位级别：硕士专业：道路与铁道工程指导教师：廖正环;陈谦应2003.4.25摘要y504437。而不均匀养护和维修的损失，同与评价，通过工作：(1)路基的影响；(3)强．寸手总结出了具珞基不均匀沉强变控用降来采沉形程基变工路用ABSTRACTProblemsrelatedtothestabilityoffillsubgradearemostlymuchsettlementanddifferentialsettlementofsubgrade．Becau

2、seofdifferentialsettlement，．pavementstructureisdestroyedtooearly，whichnotonlybadlyincreaseshighwaymaintenancecost，butalsohasasideeffectontheworkofnormaltransportation．Itbringssignificantlosstothecountryandhasnegativeinfluenceonthesociet矿Thethesisanalyzesthemechanisma

3、ndpropertiesofdifferentialsettlement。aswelIasstudiesandevaluatesdynamiccompactiontreatment．IntroducingtheharmOfdifferentialsettlementandpertinentresearchathomeandabread，theauthordoesresearchinthefoIlowingfouraspects：(1)Thepropertyandmodeanalysisofsubgradesettlementan

4、ddifferentialsettlement；(2)TheeffectofdifferentiaIsettlementonpavementstructure；(3)Thecalculatingprincipleofdynamicanalysisanddesignparameteranalysisofdynamiccompaction；(4)Thedesignmethodofdynamiccompactionproject．InthefoMraspectsabove，theauthorstudiesthefailuremodes

5、andcharacteristics。summarizesfoMrrepresentativedifferentiaIsettlementmodes，andcarriesonqualitativeanalysisontheeffect0tsubgradedifferentiaIsettlement013pavementstructure．Theauthoradoptsdynamiccompactionasatreatmentmeasureforsettlement}natestproject．anddoesin-depthres

6、earchondynamicanalysistheeryanddesignparameters．Basedoncurrentdiscussiononsubgradesettlementanddeformationandexistingcriterionofdynamiccompaction，theauthorreferstotheprojectexampleandadvancestheideaofascertainingandcontrollingthedynamiccompactionincidencebydeformatio

7、ninsubgradedynamiccompaction．Keywords：differentialsettlement，subgrade，pavement，finiteelement，dynamiccompaction第⋯章鳍论第一章绪论1．1问题的提出及背景邋激我辫经滚建设靛笈建，对公藏交道豹溪求越来越麓。为了潢是缫济建设黪翥要，在今盖二卡每悫，我国褥形袋蠢缎乇横蕊逮全嚣邋嚣嚣公里豹蕊遂主子线高等级公路闽。邋过邋十年的努力，舀前己完成⋯万多公辍的高等级公路。尚有近三万公飘的高等级公路需要修建，且大郝分位于山区。由于山区地质地

8、貌条{牟豹隈麓秘公路线形躺麓约，深羧裔壤路墓将不可避免，它们豹稳定毪阉题戏必疆{栗由嚣态等级公黪耘逶辩正豢霞溺懿关键。近年来我匿高速公路豹建设速度缎快，捌1999年底，道车攥程已经怒遥i乃-km。其中大部分路西的旗餐良好，但也育不少路段程建成通车艨不久，缎的几个