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基于面状渗漏热源模型研究西藏江雄水库渗漏

陈建生, 章学俊, 陈亮, 肖华, 许双全

陈建生, 章学俊, 陈亮, 肖华, 许双全. 基于面状渗漏热源模型研究西藏江雄水库渗漏[J]. 岩土工程学报, 2013, 35(2): 258-265.
引用本文: 陈建生, 章学俊, 陈亮, 肖华, 许双全. 基于面状渗漏热源模型研究西藏江雄水库渗漏[J]. 岩土工程学报, 2013, 35(2): 258-265.
shu
CHEN Jian-sheng, ZHANG Xue-jun, CHEN Liang, XIAO Hua, XU Shuang-quan. Groundwater leakage of Jiangxiong Reservoir in Tibet based on plane-leakage heat source model[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(2): 258-265.
Citation: CHEN Jian-sheng, ZHANG Xue-jun, CHEN Liang, XIAO Hua, XU Shuang-quan. Groundwater leakage of Jiangxiong Reservoir in Tibet based on plane-leakage heat source model[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(2): 258-265.
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基于面状渗漏热源模型研究西藏江雄水库渗漏  English Version

  • 1. 河海大学岩土力学与堤坝工程教育部重点实验室，江苏 南京 210098; 2. 河海大学岩土工程科学研究所，江苏 南京 210098; 3. 中国水电基础局有限公司，天津 301700; 4. 四川大唐国际甘孜水电开发公司，四川 甘孜 626001

基金项目: 《岩土工程学报》创办于1979年，是我国水利、土木、力学、建筑、水电、振动等六个全国性学会联合主办的学术性科技期刊。由南京水利科学研究院承办，国内外公开发行。主要刊登土力学、岩石力学领域中能代表当今先进理论和实践水平的科学研究和工程实践成果等。报道新理论、新技术、新仪器、新材料的研究和应用。欢迎国家自然科学基金项目及其他重要项目的研究成果向本刊投稿，倡导和鼓励有实践经验的作者撰稿，并优先刊用这些稿件。主要栏目有论文、短文、工程实录、焦点论坛、学术讨论和动态简讯等。
详细信息
    作者简介:

    陈建生（1955– ），男，江苏泗阳人，教授，博士生导师，主要从事同位素水文学，渗流理论与示踪探测技术。E-mail: jschen@hhu.edu.cn

  • 中图分类号: TV697

Groundwater leakage of Jiangxiong Reservoir in Tibet based on plane-leakage heat source model

  • 1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China; 2. Geotechnical Research Institute of Hohai University, Nanjing 210098, China; 3. Sinohydro Foundation Engineering Co., Ltd., Tianjin 301700, China; 4. Datang International Ganzi Hydroelectric Co., Ltd., Ganzi 626001, China

摘要

    摘要
  • 摘要: 根据江雄水库的坝区地质构造和工程地质状况，通过坝后探测沟的探测结果，发现江雄水库的渗水具有不同的来源，渗漏分布较广。在此基础上，结合钻孔温度探测和地层状况对0+615—0+655段典型渗漏部位进行分析，认为该段渗漏为面状渗漏。研究面状渗漏产生的温度场分布，认为面状渗漏可以看作渗漏平面内垂直于渗漏方向的线热源的叠加，并基于热传导理论和能量守恒原理，推导了面状渗漏热源模型公式。考虑到上述模型在实际应用中存在困难，通过一定的近似简化，提出了基于平面热源法的简化方法，建立了可供于工程应用的简化模型，为工程中复杂的渗漏问题提供了一种新的方法。模型对0+615—0+655段的面状渗漏进行了计算，并将计算结果运用于工程实际，取得了良好的效果，表明其计算结果是可靠的。对模型进行了讨论，分析其优点和局限，认为其能够应用于工程实际的面状渗漏问题的分析和研究，可为类似工程提供借鉴。
    Abstract: The leakage problem is very serious in Jiangxiong Reservoir, and the leakage occurs during its construction. With the lastest three times of grouting treatments, the water leakage is still large. According to the geological structure and engineering geology, the fact that the leakage water is from different parts is obtained considering the probing results of the detection ditch. In order to determine the leakage passages and water leakage amount, borehole temperature detection is used. Based on layer situation, the leakage position from 0+615 to 0+655 is considered to be plane leakage. The plane-leakage heat source can be treated as the superposition of line-leakage heat sources. Based on the theory of heat conduction and the energy conservation principle, a formula for the plane-leakage heat source model is established. Considering the difficulty of practical application, through a certain degree of approximation, a simplified method based on the plane heat source is proposed. It may provide a new method for complex leakage problems in engineering. The calculated results of leakage parameters of the leakage position from 0+615 to 0+655 agree with the measured values, indicating that the proposed model can be employed to analyze the plane leakage in engineering and that it may be useful for similar projects.
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    • 参考文献(13)
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出版历程
  • 收稿日期:  2012-05-02
  • 发布日期:  2013-03-06

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