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不同坝址方案下某堆积体变形稳定分析

Deformation and Stability Analysis of an Accumulation Body under Different Dam Site Selection Plans

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【Author】 Cheng Zhuang1,2,Dong Yanhua1,3,Yang Jinqiang1,4,Wan Liangpeng1,3(1.Key Laboratory of Geological Hazards on Three Gorges Reservoir Area,Ministry of Education,Yichang 443002,Hubei,China; 2.College of Civil and Agriculture Engineering,China Three Gorges University,Yichang 443002,Hubei,China; 3.College of Hydraulic Environment Engineering,China Three Gorges University,Yichang 443002,Hubei,China; 4.HydroChina Kunming Engineering Corporation,Kunming 650051,Yunnan,China)

【机构】三峡大学三峡库区地质灾害教育部重点实验室；三峡大学土木与建筑学院；三峡大学水利与环境学院；中国水电顾问集团昆明勘测设计研究院；

【摘要】基于FLAC3D有限差分法,对某堆石坝坝址右岸坝前的一堆积体在不同坝址方案、不同工况下的变形以及应力和塑性区的分布进行了三维数值模拟研究。根据研究结果,建议采用上部削坡和开挖范围内浆砌石方案护坡;考虑到建坝调水工程、引水线路、坝体施工工程量及坝库区边坡稳定等问题,建议将坝体布置在中坝址。更多还原

【Abstract】 The three-dimensional distributions of deformation,stress and plastic region of a right-bank accumulation body in front of a rock-fill dam under different dam site selection plans and working conditions are simulated by using finite difference method of FLAC3D.Based on the simulation results,it is recommended that the upper part of slope is unloaded and the masonry is used to support the slope in excavation area,and the dam is arranged in middle site after taking into account the water transfer project,water diversion route,construction quantities of dam and the stability of slopes in reservoir area.更多还原

【关键词】有限差法；堆积体；边坡稳定；选址；
【Key words】 finite difference method； accumulation body； slope stability； site selection；

【基金】国家自然科学基金资助项目(50909052);三峡大学2012年硕士学位论文培优基金资助(2012PY012)

【文献出处】水力发电 ,Water Power , 编辑部邮箱 ,2012年12期

【分类号】TV221.2
【下载频次】33

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