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Dynamics of Silty Clay Around Subway Shield Tunnel Before and After Freezing and Thawing by Numerical Simulation
In recent years, with the rapid increase of population and traffic jam, subway construction has already become an important way to develop underground space and ease traffic jam. In the process of subway construction, especially in some soft soil areas, artificial freezing method has become a common temporary reinforcement method of the foundation. For example, 95% of the connecting passages in Shanghai were constructed by artificial freezing method. Moreover, artificial freezing method is frequently used in the repair for water inflow and collapse in shield tunnel. While after the construction of subway tunnel by artificial freezing method, there is a certain amount of residues of frozen soil, e.g. the remanent frozen soil is about 3–4 m in thickness around the crossing-river tunnel of East Fuxing Road in Shanghai.
Dynamics of Silty Clay Around Subway Shield Tunnel Before and After Freezing and Thawing by Numerical Simulation
In recent years, with the rapid increase of population and traffic jam, subway construction has already become an important way to develop underground space and ease traffic jam. In the process of subway construction, especially in some soft soil areas, artificial freezing method has become a common temporary reinforcement method of the foundation. For example, 95% of the connecting passages in Shanghai were constructed by artificial freezing method. Moreover, artificial freezing method is frequently used in the repair for water inflow and collapse in shield tunnel. While after the construction of subway tunnel by artificial freezing method, there is a certain amount of residues of frozen soil, e.g. the remanent frozen soil is about 3–4 m in thickness around the crossing-river tunnel of East Fuxing Road in Shanghai.
Dynamics of Silty Clay Around Subway Shield Tunnel Before and After Freezing and Thawing by Numerical Simulation
Cui, Zhen-Dong (author) / Zhang, Zhong-Liang (author) / Zhan, Zhi-Xiang (author) / He, Peng-Peng (author) / Hou, Chen-Yu (author) / Zhang, Yan-Kun (author)
Dynamics of Freezing-Thawing Soil around Subway Shield Tunnels ; Chapter: 7 ; 155-174
2020-05-19
20 pages
Article/Chapter (Book)
Electronic Resource
English
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