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《China Rural Water and Hydropower》 2017-12
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The Evaluation of Reservoir Bank Stability Taoyuan Jinshajiang Bridge Segment of Ludila Reservoir

LU Zhi-qiang;XU Wei-ran;National Engineering Laboratory for Surface Transportation Weather Impacts Prevention,Broadvision Engineering Consultants;Yunnan Dayong Highway Project Construction Headquarters;  
The Ludila Reservoir Bank stability of Jinjidadan River Arch Bridge segment is studied in this paper. It is comprehensively evaluated by historical exploration,bank slump width predicted by two-segment method and bank slump changed slope estimated by limit equilibrium method. The following conclusions are drawn: Shaoxiangdao side of the arch bridge under multiple-stage deformation is done by inner and outside dynamic geologic processes,whose current and future stability of bridge axial slope tends to be stable. No geotechnical problems will threaten whole stability of bridge base. So bank slump does harm to the bridge and its affiliated structures. The current road side of the bridge has no bank slump problems. There are stability problems in the upper filled earth of current road bank slope. So bank slump threatens bridge base's safety. Simultaneously,the spoil disposal should be managed. Large-scale change for reservoir bank is abandoned.
【Fund】: 云交科教﹝2016﹞140(A)项目
【CateGory Index】: TV223
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