| 声波法在测定地下洞室围岩松弛带中的应用 |
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| 引用本文： | 邓茂武.声波法在测定地下洞室围岩松弛带中的应用[J].广西水利水电,2005(3):7-10. |
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| 作者姓名： | 邓茂武 |
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| 作者单位： | 广西水利电力勘测设计研究院,广西,南宁,530023 |
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| 摘 要： | 简述声波法测定地下洞室围岩松弛带的原理和方法,以百色水利枢纽工程为例,介绍地下洞室开挖过程中采用声波法测定洞室围岩不同的波速层,从而划定围岩松弛带的范围与形状的方法.实践证明,声波法快速测定地下洞室围岩松弛带,是地下洞室开挖推广新奥法施工不可缺少的现场监测手段.
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| 关 键 词： | 地下洞室 松弛带 声波测试 |
| 文章编号： | 1003-1510（2005）03-0007-04 |
| 收稿时间： | 2005-07-15 |
| 修稿时间： | 2005-07-152005-08-02 |
Application of Sonic method in determining surrounding rock loosening belt of underground cave |
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| DENG Mao-wu.Application of Sonic method in determining surrounding rock loosening belt of underground cave[J].Gx Water Resources & Hydropower Engineering,2005(3):7-10. |
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| Authors: | DENG Mao-wu |
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| Abstract: | A brief introduction is made on the principal and method of determining surrounding rock loosening belt of underground cave by sonic method. Taking Baise Multipurpose Dam Project as example, the author introduced how the scope and shape of surrounding rock loosening belts are determined based on the measurement of different wave velocity layers of cavern surrounding rock by sonic method, conducted in the course of underground cave excavation. Practice had demonstrated that quick survey of loosening belt of underground cave surrounding rock by sonic method is an indispensable site monitoring measure for promoting NATM-construction in excavation of underground caves. |
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| Keywords: | Underground cave loosening belt sonic measurement |
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