川藏公路二郎山隧道和平沟泥石流特征研究与治理设计

1920046ADVANCEINEARTHSCIENCESVol.19Suppl.Jun.20041001-81662004-0395-07610059P642.23A0255084161mN5060E199773815211.11122004-04-10.*40372136.1972.E-mailwangxiaoqun72163.comQalpl602515315mQcldl4070204010202034mD1pD2yD2g3YNE4NW65111960198021.436.45.065.0m/s2.2mm636.8mm575.6d4d568023002800m2800m1.2NE506033338m140m2130m1218m233050041072020303070V3200m0.75km21.2km3503206931928010031.2.3.1.319974100m390242.1182.9m32532260mIIII5I2230m7932175m352030470m210m150m180m82800m22041m2200m160m3840I20902098m21152135m21452175m101325351855021232150m68m21602169m1852028m2.250m150m3.75m3520m1.8m345m310m9.5m3319977381526244.189319653199724.2P194.2.121223m1m2m310.13220cm10.4410.50.80.8m0.8V0.8815cm15cm10cm564611.66t/m31.65t/m3993chf1f11Ct/m3ht/m3f22t/m3t/m31.661.651.821.9QcQB1DQBQcDC1/HCQB0.278FCpYQBm3/sFkm2CypPmm/hQB11.25QB2QB1QB2QCiFi/F0.8QCQCiFiQCF343km2kmCp2ymQ2m3/sQ1m3/s6.264.5270.71300.43268.4185.514Fkm2QB2m3/sQB1m3/sCt/m3QC1m3/sQC2m3/s6.2668.4185.511.650.70145.38116.301.7925.1331.411.901.2069.1055.2816.2668.4185.511.650.70145.38116.3021.5121.9327.421.901.2060.3248.250.61104t/km2a5.68104t3.17104m3P2KVc/gP2t/m2K3.5g9.81m/s2VCVcmCHc2/3Ic1/2mC1/nCHCmICFW5000kNW130mF5000130650000KN0.6120.20.5m1m100419330cm502330cm504.2.2150cm10m40cm120cm210cm10cm15cm5References1.D.1999.2.J.200213226-29.3.J.2004151.4.J.2003303.5.M.1981.6.M.1991.ANALYSISOFDEBRISFLOWCHARACTERISTICSANDMANAGEDESIGNOFTHEHEPINGGULLYINTHEWESTOUTLETOFERLANGMOUNTAINTUNNELOFSICHUAN-TIBETROADWANGXiao-qunSHENJun-huiWANGLan-shengEnvironmentalandCivilEngineeringFacultyChengduUniversityofTechnologyChengdu610059ChinaAbstractDebrisflowisoneoftheprimarynaturalgeologicalhazardsinmountainareaswithworsegeologicalenvironmentsothedevelopmentofresearchthoughtisimportanttoengineeringconstructofmountainareas.InthispaperthedebrisflowcharacteristicsofHepinggullyarestudiedwhichlocatedinthewestoutletofErlangmoun-tainTunnelSichuan-TibetRoad.Theformationconditionsuchasstratalithologiccharacterstructurecondi-tiongeomorphicconditionmeteorologicalconditionvegetativecoverandartificialactivitiesandbasiccharacter-isticscharacteristicsofdebrisflowgullyanddebrisflowaccumulationofHepinggullyarepresentedindetailac-cordingtotheengineeringgeologyanalysismethodinthepaper.Inadditionthestabilityofslopesalongthedebrisflowgullythetrendofthedebrisflowactivitiesandthepossiblevolumearealsoevaluatedandpredictedscientifi-cally.Basedonthesystematicanalysisdifferentschemestopreventandcontrolthedebrisflowinengineeringcon-structioncanbeputforwardreasonably.KeywordsHepinggullyBasiccharacteristicsofdebrisflowManagedesign.104