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1、西南交通大學(xué)碩士學(xué)位論文貴廣鐵路坪山隧道巖溶涌突水預(yù)測及危險性分級評價姓名:方振華申請學(xué)位級別:碩士專業(yè):地質(zhì)工程指導(dǎo)教師:王鷹20090401西南交通大學(xué)碩士研究生學(xué)位論文第1l頁AbstractThettmmelwatergushingandburstingarethemosttypical,significantformofgeologicaldisastersintheprojectsofkarsttunnel.Thethesissetupapredictionsimulationsystemoftunnelwatergushi
2、ngandbursting,predictedthepossiblegushingparagraphandwaterinrushpointsintunnelconstruction,onthisbasis,theauthorhavedonegraderesearchforthedangeroftunnelwatergushingandbursting,thusfurtherevaluatedtheimpactoftunnelwatergushingandburstingontheenvironmentandproject,propose
3、deffectivepreventionandtreatmentmeasures,ithasguidingsignificanceforgeologicaldisasterpreventionandtreatmentoftunnelwatergushingandbursting.ThethesisselectedPingshantunnelconstructionofGuiguangexpressrailwayastheresearchbackground.Throughtheanalysisanddiscussionofthemain
4、controllingfactorsoftunnelwatergushingandbursting,theresearchofthetunnelareawatergushingandburstingiscarriedoutinsubparagraph.Onthisbasis,theforecastingcalculationofsubparagraphofthetunnelwaterinflowistakenbytraditionalandclassiccalculationformula,thencombiningwiththecon
5、tributionofeachkarstwatersystemtothetunnelgushing,finishedtheforecastingofwaterinflowandwatergushingsectionofthetunnel.Inthispaper,onthisbasisofdepthanalysisofthestudyareakarsthydrologicconditions,throughtheanalysisoftheinfluencingfactorsofthetunnelareakarstdevelopmentch
6、aracteristics,selectedrocksoluble,geologicalstructurefactors,surfacewatercatchmentconditions,chemicalcharacteristicsofgroundwaterandtherelationshipbetweentunneldepthandgroundwaterlevelcomposingthepreliminaryevaluationindexsystemoftheriskofkarsttunnelwatergushingandbursti
7、ng。predictedthepartsofthetunnelwhichprobablyhappenwatergushingandburstingdisasterintheprocessoftunnelexcavation,gradingevaluatedthedegreeofriskofthedifferenttunnelsectionswhichprobablyhappenwatergushingandburstingdisaster,andfurtherevaluatedthetunnelprojectanditsimpacton
8、theenvironment.Engineeringtreatmentisproposedinthispaper,usedtoguidethetunnelconstructionandensuretheco