| 海底隧道最小岩石覆盖厚度的权函数法 |
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| 引用本文： | 李术才,徐帮树,丁万涛,张庆松.海底隧道最小岩石覆盖厚度的权函数法[J].岩土力学,2009,30(4):989-996. |
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| 作者姓名： | 李术才 徐帮树 丁万涛 张庆松 |
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| 作者单位： | 1. 山东大学,岩土与结构工程研究中心,济南,250061
2. 山东大学,土建与水利学院地下空间系,济南,250061 |
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| 摘 要： | 最小岩石覆盖厚度是海底隧道垂直线路设计的重要参数，影响海底隧道的造价和安全。总结了确定海底隧道最小岩石覆盖厚度常用的方法，包括工程类比法、数值分析法，并分析了各种方法的适用条件。基于大量数值分析，提出了通过最小位移确定最小岩石覆盖厚度的方法。根据专家经验，分析了最小岩石覆盖厚度各种影响因素的重要性，建立确定最小岩石覆盖厚度的权函数法，并应用于青岛胶州湾隧道工程，其研究成果对海底隧道的设计与施工具有参考价值。
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| 关 键 词： | 海底隧道 最小岩石覆盖厚度 最小位移法 权函数法 挪威建设经验 |
| 收稿时间： | 2007-09-10 |
Weighted function method for minimum rock cover thickness of subsea tunnel |
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| LI Shu-cai,XU Bang-shu,DING Wan-tao,ZHANG Qing-song.Weighted function method for minimum rock cover thickness of subsea tunnel[J].Rock and Soil Mechanics,2009,30(4):989-996. |
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| Authors: | LI Shu-cai XU Bang-shu DING Wan-tao ZHANG Qing-song |
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| Institution: | 1. Research Center of Geotechnical & Structural Engineering, Shandong University, Jinan 250061, China; 2. Department of Underground Space, School of Civil and Hydraulic Engineering, Shandong University, Jinan 250061, China |
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| Abstract: | Minimum rock cover thickness is an important parameter in vertical route design of subsea tunnel; and it affects subsea tunnel cost and security. General methods for minimum rock cover thickness of subsea tunnel are summarized; including engineering analogy method and numerical analysis method. Additionally, appropriate conditions are analyzed for all methods. Minimum distance method is presented for minimum rock cover thickness based on a great number of numerical analysis experiences. Weighted function method for minimum rock cover thickness is presented according to expert experience and is applied to Qindao Jiaozhou subsea tunnel. The research results give a reference to subsea tunnel design and construction. |
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| Keywords: | subsea tunnel minimum rock cover thickness minimum distance method weighted function method Norwegian construction experience |
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