Artificial ground freezing: A review of thermal and hydraulic aspects

MA Alzoubi, M Xu, FP Hassani, S Poncet… - … and Underground Space …, 2020 - Elsevier
The artificial ground freezing (AGF) is one of the most popular ground-support methods.
Driven by its reliability, compatibility with a wide range of ground types, and low impact on …

Influences of spatial variability of hydrothermal properties on the freezing process in artificial ground freezing technique

KQ Li, ZY Yin, Y Liu - Computers and Geotechnics, 2023 - Elsevier
Artificial ground freezing (AGF) has been extensively applied in underground engineering
construction as a popular ground-support technique. In recent decades, a series of …

Study on the influence of water flow on temperature around freeze pipes and its distribution optimization during artificial ground freezing

S Huang, Y Guo, Y Liu, L Ke, G Liu - Applied Thermal Engineering, 2018 - Elsevier
Artificial ground freezing is usually used to improve ground and provide temporary support.
However, the freezing process is dramatically influenced by water flow. Evidently, water flow …

Improved analytical prediction of ground frost heave during tunnel construction using artificial ground freezing technique

H Cai, Z Liu, S Li, T Zheng - Tunnelling and Underground Space …, 2019 - Elsevier
The reasonable prediction of ground frost heave provides guiding significance for tunnel
construction that uses artificial ground freezing technique. Single-pipe freezing theory, which …

Development of conjugate reduced-order models for selective artificial ground freezing: Thermal and computational analysis

AF Zueter, M Xu, MA Alzoubi, AP Sasmito - Applied Thermal Engineering, 2021 - Elsevier
Selective artificial ground freezing (S-AGF) applications usually extend to very deep levels
(more than 400 meters); numerical modeling of such large AGF applications encounters two …

Artificial ground freezing in tunnelling through aquifer soil layers: A case study in Nanjing Metro Line 2

J Hu, Y Liu, Y Li, K Yao - KSCE Journal of Civil Engineering, 2018 - Springer
In this paper, the construction of a section of Nanjing Metro Line 2, a shallow underground
tunnel constructed with an underground mining method, was analysed. Due to the existence …

Field measurement and numerical investigation of artificial ground freezing for the construction of a subway cross passage under groundwater flow

X Liu, Y Shen, Z Zhang, Z Liu, B Wang, T Tang… - Transportation …, 2022 - Elsevier
Artificial ground freezing is an environmentally friendly and reliable method to provide
temporary ground improvement and groundwater isolation under adverse geological and …

Heat transfer analysis in artificial ground freezing for subway cross passage under seepage flow

X Liu, H Nowamooz, Y Shen, Y Liu, Y Han… - … and Underground Space …, 2023 - Elsevier
Artificial ground freezing is an environmentally friendly and reliable method for ground
improvement during subway cross passage construction under variable hydrological …

[HTML][HTML] Artificial ground freezing by solid carbon dioxide–Analysis of thermal performance

P Nikolaev, M Sedighi, H Rajabi… - … and Underground Space …, 2022 - Elsevier
Artificial ground freezing (AGF) is a ground improvement technique that is commonly used to
create temporary earth support and groundwater control system during underground …

Monitoring and evaluation of artificial ground freezing in metro tunnel construction-a case study

Q Yan, W Wu, C Zhang, S Ma, Y Li - KSCE Journal of Civil Engineering, 2019 - Springer
The turn-back tunnel of Guangzhou Metro Line 3 Tianhe Station with a large span was
excavated in sandy clay which may easily break and disintegrate. The artificial ground …