軟巖隧道快速掘進(jìn)中變形預(yù)測(cè)及支護(hù)方案優(yōu)化的研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文軟巖隧道快速掘進(jìn)中變形預(yù)測(cè)及支護(hù)方案優(yōu)化的研究姓名：吳建兵申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：巖土工程指導(dǎo)教師：朱瑞賡2003.4.1ABSTRACTThesisisbasedondiaphragmgallerydrivingprojectofSICHUANYELEhydroelectricstationItgivescleardefinitionandclassificationofsoftrock，andacompreh

2、ensivestudyhasbeenmadeonthemechanismofsoftrockfailureItmakesdecisiononstabilitystateofcountryrockaccordingtoinsitusurveyingdatum，andgreypredictionmodelisformedusingthedeformationcurveofcountryrockThismodelCanpredictlatte

3、rdisplacementofcountryrockDeeperanalysisisalsobeencounductedoncountermeasureandmechanismofsoftrocktunnel，andgradationanalysismethodisappliedtoselecttheoptimumbracingplanMaincontentsandcharactersofthepaperareasfollows：(1)

4、ItsystemlyexplainsdefinitionandclassificationofsoftrockItgivesanalysisongeologicandengineeringcharactersofsoftrock，anddeeperdisscussiononfailurecausesofsoftrocktunnelItalsoshoWSthemechanismofdefonnationandfailure(2)Itapp

5、liesin—situmonitoringtechniquetoaccessdeformationofbracedcountryrockandevaluationofitsstabilityMathematiealstatisticsandgreypredictionmodelareappliedtothelatterdeformationprediction(3)Itstudiesthebracingmethodanditsmecha

6、nismofpresentsoftrocktunnelprojectThebracingplanandcountermeasurearederivedfromdeformationmechenismandengineeringpracticeGradationanalysismethodisusedtodecidetheoptimumbracingplanThispaperisbasedonpracticalprojectanditsa

7、chievementhasbeenappliedtoengineeringpractice，resultingremarkableecnomicandsocialeffectsItalsoprovidessimilarprojectswithvaluableexperienceaboutbracingplanandresearchmethodofsafebracingKeywords：softrocktunneldeformationg