| Issue |
E3S Web Conf.
Volume 198, 2020
2020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|
|
|---|---|---|
| Article Number | 04023 | |
| Number of page(s) | 5 | |
| Section | Urban Planning Engineering and Design Application | |
| DOI | https://doi.org/10.1051/e3sconf/202019804023 | |
| Published online | 26 October 2020 | |
Study on environmental impact of artificial horizontal freezing method in subway connecting passage
1 CCCC-Tianjin Port Engineering Institute, Ltd., Tianjin 300222, China
2 CCCC First Harbor Engineering Company, Ltd., Tianjin 300461, China
3 Key Laboratory of Geotechnical Engineering, Ministry of Communications, Tianjin 300222, China
4 Key Laboratory of Geotechnical Engineering of Tianjin, Tianjin 300222, China
5 Tianjin Survey And Design Institute For Water Transport Engineering, Tianjin 300000 , China
* Corresponding author’s e-mail: 874801845@qq.com
When the subway is built in complex urban strata, especially when excavating near buildings, it is necessary to strictly control the freezing amount by adopting artificial freezing method. At present, the theoretical calculation is aimed at the frozen rise under ideal conditions, but for complex geological conditions, the simplified model results are difficult to meet the actual requirements. However, numerical calculation can adapt to complex strata and complex boundary conditions. Therefore, in this paper, the environmental impact of artificial horizontal freezing method in subway connecting passage is studied by numerical simulation, and the change of thermophysical parameters with the change of temperature field is considered in the simulation. The simulation method in this paper provides guidance for actual construction.
© The Authors, published by EDP Sciences 2020
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