Numerical study on effect of natural wind and piston wind on anti-freezing length of tunnels with high geo-temperature in cold region
L Tao, X Ren, D Zhao, Y Zeng, X Zhou - International Journal of Thermal …, 2022 - Elsevier
Abstract Taking Zilashan Tunnel as an example, a three-dimensional unsteady heat transfer
model of surrounding rock, tunnel lining and wind flow was established. The reliability of the …
model of surrounding rock, tunnel lining and wind flow was established. The reliability of the …
Numerical analysis of heat transfer between air inside and outside the tunnel caused by piston action
H Jiang, F Niu, Q Ma, W Su, E Wang, J He - International Journal of …, 2021 - Elsevier
Piston action can affect the thermal environment inside the tunnel by changing the air
pressure and velocity. This is extremely unfavorable for tunnels in cold regions because it …
pressure and velocity. This is extremely unfavorable for tunnels in cold regions because it …
Experimental investigation on frost heave characteristics of saturated clay soil under different stress levels and temperature gradients
The frost heave of soil has a significant influence on the stability and durability of various
infrastructures. It is necessary to investigate the occurrence mechanism and development …
infrastructures. It is necessary to investigate the occurrence mechanism and development …
Frost heave and frost heaving-induced pressure under various restraints and thermal gradients during the coupled thermal–hydro processes in freezing soil
Studies of frost heaving-induced pressure (FHIP) have been gaining increasing attention for
applications using the freezing method to strengthen soils. This paper demonstrates a …
applications using the freezing method to strengthen soils. This paper demonstrates a …
Numerical investigation of the temperature field and frost damages of a frost-penetration tunnel considering turbulent convection heat transfer
Z Lin, C Xia, S Du, S Zhou - Tunnelling and Underground Space …, 2023 - Elsevier
Accurate evaluation of tunnel temperature field plays an essential role in anti-freezing
measures of cold-region tunnels. The aim of this study is to establish turbulence-based …
measures of cold-region tunnels. The aim of this study is to establish turbulence-based …
Heat and water transfers for the frost heave behavior of freezing graded soil
Y Hu, Z Fu, X Hou, Y Zhang, Z Wang, B Li - … Communications in Heat and …, 2023 - Elsevier
Heat and water transfers for the frost heave behavior of freezing graded soil as affected by
fine content, cooling temperature, and water supply were investigated in this study. Results …
fine content, cooling temperature, and water supply were investigated in this study. Results …
Experimental study on frost heaving behavior of soil under different loading paths
L Huang, Y Sheng, J Wu, B He, X Huang… - Cold Regions Science …, 2020 - Elsevier
Frost heaving behavior of silty clay under different loading paths was experimentally
investigated through unidirectional freezing tests in a closed system. The compression …
investigated through unidirectional freezing tests in a closed system. The compression …
Frost Action in Canadian Railways: A Review of Assessment and Treatment Methods
M Roustaei, MT Hendry - Journal of Cold Regions Engineering, 2023 - ascelibrary.org
Railways constructed in cold regions can experience localized frost heave in the winter as
well as track softening during the spring thaw. These phenomena are great challenges for …
well as track softening during the spring thaw. These phenomena are great challenges for …
Model experiment of uneven frost heave of airport pavement structure on coarse-grained soils foundation
X Long, G Cen, L Cai, Y Chen - Construction and Building Materials, 2018 - Elsevier
Sample soil was prepared with natural gravel soil and surface silt from Guoluo Airport in
China in this study. An original laboratory experiment model of uneven frost heave of airport …
China in this study. An original laboratory experiment model of uneven frost heave of airport …
Experimental and analytical investigation on frost heave characteristics of an unsaturated moderately expansive clay
J Luo, L Tang, X Ling, L Geng - Cold Regions Science and Technology, 2018 - Elsevier
Expansive clay, a kind of clayey soil, is widely distributed in seasonally frozen regions.
Numerous studies have attempted to explain the frost heave characteristics of clayey soils …
Numerous studies have attempted to explain the frost heave characteristics of clayey soils …