绵竹清平8_13群发泥石流成因_特征与发展趋势

38320115HYDROGEOLOGY＆ENGINEERINGGEOLOGYVol．38No．3May20118·13、61008120108135·122769.4%。8·13、。8·135·12、、、、78·1310%～50%、。8·135·12P642.23P694A1000-3665201103-0129-052010-10-272010-12-2712120101140201979－、。[e-mail]5·12。。20108131933794.3。。。8·13、。15·123681327169.4%。8·131718.13Fig．1DistributionofdebrisflowgulliesoccurredonAugust13inQingpin1.6km310×104m31、1、、、110·130·8·13、2011、。1。18.13Table1Drainagecharacteristicsandvolumesofdischargedmaterialsandsourcematerialskmkm2×104m3×104m313.257.813105000＊＊23.935.76120400*30.600.4425*41.591.381.52*51.591.385050＊＊60.560.122*71.150.50630＊＊80.580.1222*91.531.110.22*100.530.410.10.4*110.640.440.51*123.055.1220190＊＊131.020.740.251*141.390.860.122*150.670.290.20.8*164.044.82060*170.380.10.12*180.310.10.10.8*197.3416.37120200*204.225.1260180*215.218.830300*220.290.122*230.990.590.250.8*240.950.600.130.4*251.130.711.540*261.500.590.252*271.771.380.12**813＊＊813818220085·1272。。8·13。2.110～30a34。—5·12。1。5·128·13。。、5·125×107m3150m54×106m3。、8·13。2.28·1320d273160.2mm51.7mm＞10×104m3812～138121813410h227.5mm70mm819145.9mm35.9mm/h、30×104m3。2。33.18·13。。3.28·13。3·131·2Fig．2CorrespondingdailyandcumulativerainfallofWenjiagoudebrisflow、－8·1370～80m3、、、、、－－。3Fig．3IncisionandmaterialsupplyoftheWenjiagou3.31.5h。13143h。、“”。3.48·135·12。1———2———3———、4———。3.58·13、、。1。。0.4km23m。2。、、、、2。3。。1.6km15m、。3.68·13310×104m31100×104m36。1。0.2km21.2km2。3.781327120.5km260.1～0.2km2。·132·8·13、201144.120085·122008－9－14、2010－7－31、2010－8－13、2010－8－19。7～9。8·1327。5～10a、。4.28·135·12。8·135·12。、、。1。8·135·12、、1。8.1318·13。、、813。、、。2、8·13。、。3。、、。、、、、、、、、、、、、、、。58·135·1227。5～10a。5·128·137、、、、、。8·1310%～50%、。。3·133·1．J．2010186827－836.YUBMAYWUYFetal．InvestigationofseveredebrisflowhazardsinWenjiagullyofSichuanprovinceaftertheWenchuanearthquakeJ．JournalofEngineering2010186827－836.inChinese2．1∶100M．1997.ZHONGDLXIEHSHUFQetal．MapofDebrisFlowDistributionandDangerDegreeDivisioninSichuanandChongqing1∶0000000andItsExplanationM．ChengduChengduCartographicPublishingHouse1997.inChinese3．2008J．2009274501－509.XIEHZHONGDLJIAOZetal．DebrisflowinWenchuanQuake－hitareain2008J．JournalofMountainScience2009274501－509.inChinese4TangCZhuJLiWL．RainfalltriggereddebrisflowsafterWenchuanearthquakeJ．BullEngGeolEnviron200968187－194.5．M．2009．XUQPEIXJHUANGRQetal．Large－scalelandslidesinducedbytheWenchuanearthquakeM．BeijingSciencePress2009．inChinese6．J．19872379－83.TANWP．MaximumofdebrisflowanddisasterJ．JournalofCatastrophology19872379－83.inChinese7．－J．2010185631－644.WANGTSHIJSWUSRetal．FormationmechanismofWenjiagouhigh－speedandlong－runoutdebrisavalanchetriggeredbyWhenchunearthquakeJ．JournalofEngineering2010185631－644.inChinese8．－J．2010182168－177.HUANGHQZHAOQH．Basiccharacteristicsandpreliminarymechanismanalysisoflargescalerockslide－sturzstromatWenjiagoutriggeredbyWhenchunearthquakeJ．JournalofEngineering2010182168－177.inChinese9．8.13、J．2010185610－621.XUQ．The13August2010catastrophicdebrisflowinSichuanprovincecharacteristicsgeneticmechanismandsuggestionJ．JournalofEngineering2010185610－621.inChineseFormationcharacteristicsandtrendofthegroupdebrisflowsoccurredonAugust13inQingpingMianzhuCountyNIHua-yongZHENGWan-moTANGYe-qiWANGDe-weiCHENXu-yuXURu-geSONGZhiChengduInstituteofGeologyandMineralResourcesChengdu610081ChinaAbstractSeriousdebrisflowsoccurredat1o’clockonAugust132010inQingpingCountryinMianzhuSichuanwhichisoneofthemostseriousdisasterareasafterthe2008－5－12earthquake．About27debrisflowsbrokeoutalmostatthesametimeanddebrisflowfromWenjiagouwasthemostseriousonewitha138·138·2011J．20094210929－933.LIUXLZHUJLLIULW．UndergroundtemperaturedistributionsimulationofaquiferenergystorageJ．JournalofTianjinUniversity20094210929－933.inChinese4．D．2004.ZHANGYD．ThermalimpactofenergyabstractiononGeo-temperaturefieldofshallowgroundwateraquifersbysinglewelldoubletandmuti-wellsystems．BeijingInstituteofgeologyandgeophysicsChineseAcademyofSciences2004.inChinese5．J．20073461－5.LIULCWANGLXDINGYYetal．Pumping－injectionwelldistributionofgroundwaterheatpumpsandtemperaturechangeinitsoperationprocessJ．Hydrogeology＆EngineeringGeology20073461－5.inChinese6．J．2010242180－184.XUGLLIUHWZHANGQetal．GeotemperaturechangesinrockandsoilstratumduringgroundwatersourceheatpumpsystemoperationJ．ResourcesEnvironment＆Engineering2010242180－184.inChineseEffectofgroundwatersourceheatpumpsystemongroundtemperaturefieldWANGHui-lingWANGWen-fengWANGFengSUNBao-weiBeijingGeotechnicalInstituteEngineeringConsultantsLTD．Beijing100038ChinaAbstractGroundwatersourceheatpumpGWHPsystemisusedinthetestfield．TheinfluenceofGWHPonregionalgeothermalfieldisanalyzedbasedonthetemperatureofgroundwaterwhichiscontinuouslymonitoredduringtherunningcourseofthesystem．Itisfoundthatgroundwatertemperatureoftheareaaroundpumpingandrechargewellshasasignificantchangeinthisprocess．Injectionwaterwillbestoredintheaquiferwithanomalousedgelens．Theextremevaluesoftemperatureappearinthemiddleoftheaquifer．Theamplitudeofvariationandtheareaofinfluenceforanaquifugearesmallerthanforanaquifer．Becauseofthethermalcumulativeeffectgatheringofhotandcoldwaterbodyaroundthewater－bea