Numerical Analysis of Temperature Field of Horizontal Ground Freezing for Large-Diameter Tunnelling

被引：0

作者：

Hu, Jun ^{[1
]}

Liu, Yong ^{[2
]}

Wei, Hong ^{[1
]}

Yao, Kai ^{[2
]}

Zhao, Lianzhen ^{[1
]}

机构：

[1] Hainan Univ, Coll Civil Engn & Architecture, Haikou 570228, Hainan, Peoples R China

[2] Natl Univ Singapore, Dept Civil & Environm Engn, Singapore, Singapore

来源：

ADVANCES OF TRANSPORTATION: INFRASTRUCTURE AND MATERIALS, VOL 2 | 2016年

关键词：

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The temperature field within a cup-shaped frozen soil wall in tunnel was examined using finite-element analysis. Assuming that the surrounding soil layer was an unfavorable soil layer in terms of thermal parameters, the feasibility of the use of the artificial horizontal ground freezing method in the tunnelling of Nanjing Metro Line 10 was demonstrated. Parametric studies were conducted on various factors affecting the closure time of the frozen soil wall. The closure time was found to be sensitive to the thermal conductivity, volumetric heat capacity, and original temperature of the surrounding soil and insensitive to the latent heat.

引用

页码：718 / 725

页数：8

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