| 拔贡水电站改扩建工程库坝岩溶水地球化学试验研究 |
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| 引用本文： | 韦超明,梁喜忠,刘谢伶.拔贡水电站改扩建工程库坝岩溶水地球化学试验研究[J].红水河,2013(6):54-58,79. |
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| 作者姓名： | 韦超明 梁喜忠 刘谢伶 |
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| 作者单位： | [1]广西水利电力建设集团有限公司,广西南宁530028 [2]广西电力工业勘察设计研究院,广西南宁530023 |
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| 摘 要： | 拔贡水电站改扩建工程地形属岩溶峰丛一洼地地貌，地质条件复杂，岩溶发育。拔贡水电站旧坝评为病坝，厂坝基及坝肩渗漏严重。针对拔贡水电站库坝区岩溶水文地质特点，进行岩溶水文地质勘察工作，通过地球化学和示踪试验对该区地下水及岩溶水系统（水系）分区，确定库坝区岩溶水渗漏通道及岩溶多层性。为工程处理决策提供依据。对类似岩溶地质条件下的坝基防渗技术具有重要参考价值。
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| 关 键 词： | 岩溶水文地质 地下水及岩溶水系统（水系） 地球化学试验 岩溶多层性 拔贡水电站改扩建工程 |
Geochemical Test on Karst Water in Reservoir and Dam of Extension Project of Bagong Hydropower Station |
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| WEI Chao-ming,LIANG Xi-zhong,LIU Xie-ling.Geochemical Test on Karst Water in Reservoir and Dam of Extension Project of Bagong Hydropower Station[J].Hongshui River,2013(6):54-58,79. |
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| Authors: | WEI Chao-ming LIANG Xi-zhong LIU Xie-ling |
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| Affiliation: | 1. Guangxi Water Conservancy and Electric Power Construction Group Co., Ltd., Nanning, Guangxi, 530028; 2. Guangxi Electric Power Industry Investigation Design and Research Institute, Nanning, Guangxi, 530023) |
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| Abstract: | The extension project of Bagong hydropower project has complex geological conditions, which belongs to karst peak cluster-depression landform and is developed with karst caves. The old dam of Bagong hydropower station is evaluated as a damaged dam because serious leakage problems existed at the powerhouse dam foundation and abutment. The karst water leakage passages and the karst layers are determined base on the survey on the karst hydrogeological characteristics of dam area and the geochemical and tracer tests on the underground water and the karst water system （water system）, which provides a basis for engineering decision-making and can be well referenced by similar projects. |
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| Keywords: | karst hydrogeology underground water and karst water system （water system） geochemical test multi- layered karst Extension Project of Bagong Hydropower Station |
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