云南腾密公路典型高边坡病害治理措施研究

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1、西南交通大学硕士学位论文云南腾密公路典型高边坡病害治理措施研究姓名：陈雄申请学位级别：硕士专业：地质工程指导教师：郑黎明20090401西南交通大学硕士研究生学位论文第1I页AbstractWiththerapidspeedofhighwayconstuction，alargenumberofhigh-slopesengineeringsareappearedinourcountrymountainousarea．Thehigh—slopestabilityisthepivotaltechnicalproblemsw

2、hichaffectconstuctionsafety，progressandhighwayoperationalsafety．People’ssafetyandenormouseconomiclossesarecausedbyhigh—slopedestroyed．Somoreandmoreattentionarepayedtohigh-slopeengineerings．Thehigh—slopesalongYunnanTengmiroadcisbordersection，especiallyK55andK72t

3、ypicalhigh—slopes，areregarded硒researchobjectinthisthesis．Firstly,identifystratumlithology，physiognomy，geologicalformation，meteorologicalandhydrologicalcondition，aswellasthemaingeologicaldiseaSealongtheroadthroughfieldinvestigationsandexistingdata，elaborateonthe

4、geologicalenvironment，basiccharacteristics，stabilityfactorsandfailuremodesoftypicalhigh-slopes．Then，naturalstateandheavyrainconditionsoftheslopestabilitycoefficientarecalculatedbytransmissioncoefficientmethodandnumericalsimulationmethod，whichofferdataforreinfor

5、cedesign，proposedgovernanceprojectsbasedonabovecalculation．Atthesametime，emphasisstudyonreinforcemechanism，applicationandcalculationflowofpre-stressedanchorframework．Finally，simulatereinforcementmeaSuresandanalyseitsreinforcingeffect．Theresultsindicated：slopest

6、ructure，stratumlithologyandstructuralplanearetheinternalfactorsofslopestability,humanactivitiesandrainfallarethemainpredisposingfactors．K55high—slopeiscontroledbyrockmassstructuralplanes，whichisstableinnaturalstate，butwillslidealongwithrockmassstructuralplanesi

7、nstrongrainfallstate．K72high—slopeismainlycontroledbyitsdualstructure，duetorockmassdifferentweatherextent，OCCurpartialcollapse，therebycausingtheoverallslopedamage．Thereinforcingeffectisobviousthroughnumericalsimulation，whichachievesthepurposeofgovernance．西南交通大学

8、硕士研究生学位论文第1II页Combinationwi也theoryandpracticeinthisthesis，theselectedslopehavetypicalcharacteristic，whichhavesomeU．SCforreferencesignificanceforsimilarslopesalongtheroad．Key