| 金沙江叶巴滩水电站右岸坝肩岩体质量快速评价方法 |
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| 引用本文： | 邹俊,邓辉,陈凯,蒋帅男.金沙江叶巴滩水电站右岸坝肩岩体质量快速评价方法[J].路基工程,2016,0(3):55-59. |
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| 作者姓名： | 邹俊 邓辉 陈凯 蒋帅男 |
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| 作者单位： | 成都理工大学地质灾害防治与地质环境保护国家重点实验室, 成都 610059 |
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| 摘 要： | 以金沙江叶巴滩水电站工程为依托,利用普遍测网法测出平硐裂隙,结合分形几何研究对右岸坝肩岩体裂隙分维值进行了分析,利用修正RMR法获得局部区域岩体质量等级并与该区域分维值建立对应关系,其分维值即可作为右岸坝肩岩体质量的一个定量表征指标,从而快速获得坝址区右岸岩体质量等级。此方法可对岩体质量做出快速评价,方便水电站选址。
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| 关 键 词： | 裂隙 分维值 普遍测网法 岩体质量 |
| 收稿时间： | 2019-11-09 |
Research on Rapid Evaluation Method for Rock Mass at Right Bank Abutment of Jinsha River Yebatan Hydropower Station |
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| Abstract: | Relying on Jinsha River Yebatan Hydropower Station project, the common survey grid method is adopted to measure the adit crack. The fractal dimension of right bank dam abutment is analyzed as per the research of fractal geometry. The modified RMR method is adopted to obtain rock mass grade of some regions and establish corresponding relation with the fractal dimension of this area. The fractal dimension can be a quantitative characteristic index for rock mass of right bank dam abutment so as to quickly obtain the rock mass grade of right bank in the selected dam site. This method can rapidly evaluate the rock mass and is good for site selection of hydropower station. |
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