路基病害预治理及整治方案论文

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1、毕业设计（论文）路基病害及其整治方案毕业设计路基病害预治理及整治方案共71页第57页毕业设计（论文）路基病害及其整治方案论文摘要：本文主要介绍了路基的常见几种的病害类型，分析了路基病害产生的原因提出了这几种病害的预治理和养护维修方法。路基在承受土体自重、行车荷载和各种自然因素的作用下，导致各个部位产生变形，变形又引起路基标高和边坡坡度、外形的改变，严重时造成土体位移，危及路基的整体性和稳定性，造成路基的各种破坏。路基是整个道路的基础，更是保证路面质量和稳定的关键，路基病害的产生不仅与地质、设计、施工等路基形成前的各个环节有关、而且也与路基形成后的养护和

2、治理有关，要避免路基病害的产生对路面造成的早期破坏，必须从各个环节注重，采取相应的措施，提前治理和预防路基病害的产生。关键词软弱；铁路路基，基床，冻害，路基坡面，不良地质，病害，防治措施共71页第57页毕业设计（论文）路基病害及其整治方案Abstract:Thispaperdescribesseveralofthediseasescommonsubgradetypes,analysisofthecausesofdefectsundertheroadbedraisedthesetypesofdiseasesandMaintenancepre-treatm

3、entmethods.Soilsubgradetowithstandweight,trafficloadandundertheinfluenceofvariousnaturalfactors,leadingtoallpartsofthedeformation,deformationalsocausedbysubgradeelevationandslopegradient,shapechange,resultinginserioussoildisplacement,threateningtheintegrityoftheroadbedandstabili

4、tyoftheembankmentcausedbyallkindsofdamage.Thebasisoftheentireroadsubgrade,butalsotoensurethequalityandstabilityofakeyroad,roadbeddiseaseproducesnotonlygeology,design,constructionsuchasembankmentbeforetheformationofthevariousareasinrelationto,butalsowiththeroadbedaftertheformatio

5、noftheconservationandmanagementrelatedtotoavoidtheemergenceofpavementsubgradediseasecausedbytheearlydamage,wemustfocusonallaspects,totakecorrespondingmeasures,earlytreatmentandpreventionofdiseasesresultingsubgrade.Keywordsweak;railwaysubgrade,basebed,damage,embankmentslope,poorg

6、eologicalconditions,disease,preventionandcontrolmeasures.共71页第57页毕业设计（论文）路基病害及其整治方案目录第1章绪论·············································5第2章路基基床病害····································112．1路基基床病害的类型和特征·························112．2基床病害的预防···································162．3基床病害

7、的整治···································17第3章路基坡面病害····································213．1路基坡面病害类型································21共71页第57页毕业设计（论文）路基病害及其整治方案3．2路基破面坡面病害的整治···························23第4章路基冻害········································264.1路基冻害的概述···················

8、················264．2路基冻害的预防···················