三峽庫區(qū)重慶段塌岸地質(zhì)條件調(diào)查及塌岸預(yù)測.pdf

1、分類號UDCV93乏680上學校代碼：1晰16密級學號：——成都理工大學碩士學位論文三峽庫區(qū)重慶段塌岸地質(zhì)條件調(diào)查及塌岸預(yù)測姚佳指導(dǎo)教師姓名及職稱許強教授2006年5月Age0109icinVestigationandstudyonbankc01lapseforecastingofChongqingsegmentinThreeGorgesReservoirABSTRACTBaIlkcolla口seofreservoirbet矚嵋eⅡ13

2、5mand175mas1willhappenafterTh他e60rgcsResenroifimpoundssothcd印artmcntconcemjⅡgordeftocan_)routspecialrcasefchaboutbankcollapsegeologicalinvestigation，bankcollapSepro鯽s廿cateaIldbankcollapsepreV％tionChongqingsegmcntistal【en

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4、g明cralized(1)nissummedupthatChongqinghasthfeemainb姐k—collapsingtypes：wash鋤dabmsiontypc，soilcoll印se(rocksliding)type，slidet”e，鋤dthelen舀hofwashandabrasiontypemainlyoccIlpies54％，soilcoll印se怔ksliding)typemainlyoccupies42％，an

5、dslidetypeisonly4％(2)Analysisofinvestjgationstatistjcsshows：withworststabilityofb孤ksl叩ea“Duntsfor73％，worsestabililyofbaⅡkslopeac蜘untsfor339％，moregoodstabilityofbankslopeaccountsfof412％，900dstabilityofbanksI叩eaccountsfor1

6、76％About80％banl【scollapsearedistdbutedinsoilb卸kslOpe，Ab咖t15％b姐I【scollapseaIedistributedcombinationb撕kslopeofsoilandrock，onlyfewb姐kscollapsearedistributedrockbankslopes(3)Basedoninvestigation，jⅡvicwofdifferembankcollapsin

7、gtypesanddj虢rentriverb柚kstmctures，coⅡcspondingb強kc0Uapseforecastingmethodandpar狃etersareadoptedTheforccastillgre蛐l(wèi)tshowstlIattotallen昏hofbaIll【一coll印singzoneislessthaⅡ20misabout67％，alldzoneofbank—coll叩singzonemoremall20m