A simple load transfer method for energy pile groups

H Song, H Pei, JM Pereira, AM Tang, C Zhou - Computers and Geotechnics, 2023 - Elsevier
Various analysis methods have been developed to simulate the performance of energy pile
groups subjected to thermal and mechanical loads. Although they considered the …

Effects of pile configuration on the group behavior of semi-floating energy piles

G Kong, H Chang, D Wu, H Peng, Y Shen… - Journal of Building …, 2023 - Elsevier
To investigate the effects of pile configuration on the group effects of semi-floating energy
piles, a series of laboratory tests were performed. The tests include three distinct pile …

Long-term thermomechanical behavior of energy piles under inclined load

H Song, H Pei, H Wang - Journal of Energy Storage, 2024 - Elsevier
This study investigated the long-term performance of the individual energy pile subjected to
inclined mechanical loading using numerical method. Three-dimensional numerical models …

[HTML][HTML] Thermo-Mechanical Coupling Load Transfer Method of Energy Pile Based on Hyperbolic Tangent Model

M Sun, S Wu, T Wang, Y **e, M Xu, Y Dong, D Zhao… - Buildings, 2024 - mdpi.com
By employing the hyperbolic tangent model of load transfer (LT), this paper establishes the
thermo-mechanical (TM) coupling load transfer analysis approach for an energy pile (EP) …

The mechanical response of energy pile groups in layered cross-anisotropic soils under vertical loadings

ZY Ai, WY Feng - Energy, 2024 - Elsevier
The mechanical response of energy pile groups in layered cross-anisotropic soils under
vertical loadings is studied with the aid of the coupled finite element method-boundary …

[HTML][HTML] Time-dependent behaviors of energy piles embedded in multilayered saturated transversely isotropic soils

Y Zhao, Z Shi, Z Ai - Underground Space, 2024 - Elsevier
This paper presents a solution for the time-dependent behaviors of energy piles embedded
in transversely isotropic soils, which considers the mechanical and thermal consolidation. By …

A new method for analyzing the thermomechanical behavior and the null point movement of energy piles

K Liu, Z Wang, P Fang, X **e, Y Lou, Z Meng - Computers and Geotechnics, 2024 - Elsevier
During heating or cooling, an energy pile elongates or shortens around the null point, where
the thermally induced displacement is zero. Previously proposed computing methods …

Investigation of cyclic thermo-mechanical interactions in pile groups under varying thermal loading

R Saggu - Canadian Geotechnical Journal, 2024 - cdnsciencepub.com
In this study, numerical investigations were performed to examine the thermo-mechanical
characteristics of the geothermal pile group having geothermal and conventional piles …

Simplified Heat Transfer Model for Spiral‐Coil Energy Pile Groups and the Pile–Pile Thermal Interference

W Dai, S Gang, W Song… - Energy Science & …, 2025 - Wiley Online Library
The spiral heat exchanger of the energy pile groups is divided into multiple segments. Each
heat exchanger segment is regarded as a three‐dimensional spiral heat source of finite …

Study on the Influence of Heat Exchange of Static Drill Rooted Energy Pile on the Consolidation of Coastal Soft Soil Site

S Chen, Y Deng, S Niu, R Zhang… - Energy Science & …, 2025 - Wiley Online Library
The use of static drill‐rooted energy piles in deep soft soil foundations causes thermal
exchange between the piles and the surrounding soil, resulting in excess pore pressure and …