| Issue |
E3S Web Conf.
Volume 136, 2019
2019 International Conference on Building Energy Conservation, Thermal Safety and Environmental Pollution Control (ICBTE 2019)
|
|
|---|---|---|
| Article Number | 04021 | |
| Number of page(s) | 4 | |
| Section | Urban Public Safety | |
| DOI | https://doi.org/10.1051/e3sconf/201913604021 | |
| Published online | 10 December 2019 | |
Parameter optimization of double side wall method for soft surrounding rock tunnel
1 Shidian Baoshi Expressway Investment and Development Co., Ltd, Baoshan, 678000, China
2 China Merchants Chongqing Communications Technology Research & Design Institute Co., Ltd, Chongqing, 400000, China
* Corresponding author’s e-mail: 364842342@qq.com
When the Xiaojiazhai tunnel is constructed by the double-wall method, different curvature radii have different effects on controlling the stability of the surrounding rock and speeding up the construction progress. By numerically simulating the tunnel excavation under different radius of curvature, it is concluded that R is adopted respectively. The deformation displacement of surrounding rock is =11.6m∠520 and R=5.76m∠1060. The maximum horizontal displacement and vertical displacement are smaller when R=5.76m∠1060 is selected. According to the analysis results, when R=5.76m∠1060 is selected, the deformation of surrounding rock can be controlled to ensure the safety of construction and provide reference for future construction.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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