大渡河双江口水电站近坝库岸业隆冰水堆积体稳定性研究

《大渡河双江口水电站近坝库岸业隆冰水堆积体稳定性研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、西南交通大学硕士学位论文大渡河双江口水电站近坝库岸业隆冰水堆积体稳定性研究姓名：李仰波申请学位级别：硕士专业：地质工程指导教师：胡卸文20090401西南交通大学硕士研究生学位论文第1I页AbstractTheYelongdepositsislocatedintheReservoirareaofDaduRiver’SShuangjiangkoupowerstation，awayfromthedamsite6．5kilometres，belongingtothecausesofglaciofluv

2、ialdeposits．Becauseofitsenormousscaleandsomeresidentsrivingonit，，thestabilityofthedepositsafterwaterstorageisveryimportant．Notonlyitaffectsthesafeoperationofhydropowerstation，butalsodirectlyrelatesthesafetyandpropertyofresidents．Throughtheanalyzingof

3、physicalgeographyconditionandgeologicalbackgroundoftheinvestgatedarea，thisthesisfindthecausesofthedeposits．Basedontheinvestigationandlaboratorytestresults，comparingwimpreviousexperiencedataandresearchresults，itconfirmsthedeposits’parameterofrocksands

4、oilsphysicsmechanicswhichisneededinthecalculationofslopestability．Abovethese，usingthetransmissioncoefficientmethodseparately，itcalculatesthestabilityoftheglaciofluvialdepositsatthestatesofnatural，graduallywateringtothenormalwaterlevel，formnormalwater

5、levelsharplyfalling5meters．Alsoitanalysesthesurgecausedofinstability．Atlast，itutilizesthesoftwareofFLACtocompletethesimulationofthedeposits’stability，缸(1Stheplasticitydistrictwithinthedepositsandtheaffectedbankcavingback-borderelevation．Theanalysisan

6、dcalculationresultsshowthat，thestabilityofthedepositsatthenaturalstateissafe．Intheprocessofwateringtothenormalwaterlevelandsharplyfalling5meters，thepartclosedZhuosijiaRiverandYelonggullyisunstable．theridgebetweenZhuosijiaRiverandYelonggullyisinalesss

7、tablestate，havingagreatpossibilitytoslide．Theinstabilitysituationisslowcreepingandfracturing．Itspeculatestheaffectedareaofthebankcavingandthevolumeofthelandslidebody．thesurgecausedofthelandslidebodywillnothaveagreatimpactonthenormaloperationoftherese

8、rvoir．NumericalSimulationisveryagreementwimthequalitativecalculation．InviewoftheunstabilityofYelongdeposits，itsuggeststhatallresidentsshouldmoveandthelakeroadshouldkeepawayfromthedepositstoavoidthedisturbance．西南交通大学硕士研究生学位论文第1II页Keywords：Reservoir；Gl