期刊论文

Liu, WJ

英文

山地科学学报：英文版

1672-6316

2023

20

10

3035-3050

10.1007/s11629-023-8221-4

The authors gratefully acknowledge the financial support provided by the National Natural Science Foundation of China (Nos. 52078061, 51878074), the Huaihua University Scientific Research Project, China (No. HHUY 2022-26), and the Postgraduate Research and [52078061, 51878074]; National Natural Science Foundation of China [HHUY 2022-26]; Huaihua University Scientific Research Project, China [CX20220885]; Postgraduate Research and Innovation-funded Project of Hunan Province, China

本校为第一且通讯机构

In extreme cold regions, a thermal insulation layer (TIL) is commonly employed to mitigate the detrimental effects of frost heaving forces in tunnels. Optimizing the laying scheme of TIL, specifically minimizing frost heaving forces, holds considerable importance in the prevention of frost damage. This research developed a two-dimensional unsteady temperature field of circular tunnels by using the difference method (taking the off-wall laying method as an example) based on the law of conservation of energy. Then, the frozen circle and water migration coefficient were introduced to establish th...