Analysis of factors effecting minimum rock cover for subsea tunnel |
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| Authors: | LI Shu-chen LI Shu-cai WANG Zhao-qing Wang Yan |
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| Institution: | 1. Department of Urban Underground Space，School of Civil and Hydraulic Engineering，Shandong University，Jinan 250061，China;
2. Institute of Engineering Mechanics, Shandong University of Architecture, Jinan 250101, China |
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| Abstract: | At present, many subsea tunnels are under construction construction or to be constructed in China. Their costs are directly restricted by the minimum rock covers. Under the condition of the minimum rock covers, by applying fracture-damage, seepage and construction process model, the minimum rock covers are analyzed with the engineering geology and the water conditions of the subsea tunnel. At the same time, the minimum rock covers are affected by earthquake and blasting etc. Finally, by using project analogy method and numerical method and considering different kinds of factors effecting minimum rock covers, a better minimum rock cover can be chtained. |
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| Keywords: | subsea tunnel minimum rock covers seepage blasting earthquake construction process |
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