Research progress and prospect of frozen soil engineering disasters

H Chen, X Gao, Q Wang - Cold Regions Science and Technology, 2023 - Elsevier
With the expansion of engineering activities, numerous major projects are gradually
emerging in frozen soil regions. However, due to the unique engineering properties of …

A review of advances and applications of geothermal energy extraction using a gravity-assisted heat pipe

T Gao, X Long, H **e, L Sun, J Wang, C Li, M Gao… - Geothermics, 2024 - Elsevier
Enhanced geothermal system (EGS) provides a feasible way for extracting geothermal
energy from hot dry rock (HDR) reservoirs, whereas seismic risk it might induce and …

Investigating the thermo-hydro-mechanical behavior of loess subjected to freeze–thaw cycles

R Bai, Y Lai, M Zhang, H Jiang - Acta Geotechnica, 2024 - Springer
The stability and performance of loess infrastructure in cold regions are often challenged by
seasonal freezing–thawing action. The action of the foundation loess is a complex thermo …

Experimental and numerical analyses of the thermo-mechanical stability of an embankment with shady and sunny slopes in a permafrost region

M Zhang, W Pei, S Li, J Lu, L ** - Applied Thermal Engineering, 2017 - Elsevier
The hydro-thermo-mechanical state is important for embankments in permafrost regions,
especially for the embankments with shady and sunny slopes. It is difficult to determine the …

Asymmetric talik formation beneath the embankment of Qinghai-Tibet Highway triggered by the sunny-shady effect

L Chen, W Yu, T Zhang, X Yi - Energy, 2023 - Elsevier
Energy budget beneath the road embankment strongly impacts the permafrost thermal state
and stability of the overlying infrastructure. However, magnitudes and rates of daily heat flux …

Permafrost thawing along the China-Russia Crude Oil Pipeline and countermeasures: a case study in Jiagedaqi, Northeast China

F Wang, G Li, W Ma, Y Mu, Z Zhou, Y Mao - Cold Regions Science and …, 2018 - Elsevier
Abstract The China-Russia Crude Oil Pipeline (CRCOP) traverses 441-km-long permafrost
zones in northeastern China. Since the pipeline operation in 2011, significant ground …

[HTML][HTML] Effects of temperature, dry density and water content on the thermal conductivity of Genhe silty clay

X Xu, W Zhang, C Fan, G Li - Results in Physics, 2020 - Elsevier
As an important parameter to consider the thermal stability of road engineering in cold
regions, thermal conductivity is largely affected by temperature, water content, dry density …

Field observations of cooling performance of thermosyphons on permafrost under the China-Russia Crude Oil Pipeline

G Li, F Wang, W Ma, R Fortier, Y Mu, Z Zhou… - Applied Thermal …, 2018 - Elsevier
Abstract The buried China-Russia Crude Oil Pipeline (CRCOP) traverses 441-km
discontinuous permafrost zone and has been operating at positive oil temperature since …

Thermal control performance of the embankment with L-shaped thermosyphons and insulations along the Gonghe-Yushu Highway

W Pei, M Zhang, Z Yan, Y Lai, J Lu, Y Dai - Cold Regions Science and …, 2022 - Elsevier
In permafrost regions, the climate warming and construction of engineering will change the
energy exchange process between the original ground surface and the ambient, and warm …

Study on the heat and deformation characteristics of an expressway embankment with shady and sunny slopes in warm and ice-rich permafrost regions

X Luo, Q Yu, Q Ma, L Guo - Transportation Geotechnics, 2020 - Elsevier
In permafrost regions, the construction of embankment leads to the permafrost degradation,
further affecting the embankment stability. Considering wider bituminous pavement and …