Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect

WU Tao; OUYANG Qiao; ZHANG Yunpeng; XU Jianbo; SONG Jianjun; WU Wenbing

doi:10.20265/j.cnki.issn.1007-2993.2025-0245

Volume 40 Issue 2

Apr. 2026

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Article Navigation > GEOTECHNICAL ENGINEERING TECHNIQUE > 2026 > 40(2): 165-174

WU Tao, OUYANG Qiao, ZHANG Yunpeng, XU Jianbo, SONG Jianjun, WU Wenbing. Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(2): 165-174. doi: 10.20265/j.cnki.issn.1007-2993.2025-0245

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WU Tao, OUYANG Qiao, ZHANG Yunpeng, XU Jianbo, SONG Jianjun, WU Wenbing. Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(2): 165-174. doi: 10.20265/j.cnki.issn.1007-2993.2025-0245

Citation:

WU Tao, OUYANG Qiao, ZHANG Yunpeng, XU Jianbo, SONG Jianjun, WU Wenbing. Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(2): 165-174. doi: 10.20265/j.cnki.issn.1007-2993.2025-0245

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Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect

doi: 10.20265/j.cnki.issn.1007-2993.2025-0245

WU Tao^{1, 2},
OUYANG Qiao^{1, 2},
ZHANG Yunpeng^{2
,
,},
XU Jianbo¹,
SONG Jianjun¹,
WU Wenbing²

1.
Traffic Engineering Co., China First Metallurgical Co., Ltd., Wuhan 430081, Hubei, China
2.
Faculty of Engineering, China University of Geosciences, Wuhan 430074, Hubei, China

Funds: Supported by the National Natural Science Foundation of China （52408407)）

Received Date: 2025-06-04
Accepted Date: 2025-08-25
Rev Recd Date: 2025-08-12

Available Online: 2026-04-09

Publish Date: 2026-04-09

Abstract

Abstract

Based on seepage theory, saturated soil consolidation theory, and thermoelasticity theory, a linear one-dimensional single-layered soil thermal consolidation model was established, and the Laplace transformation and its corresponding numerical inverse transformation method were used to derive the analytical solution for the consolidation under an instantaneous heat source on the soil surface. The accuracy of the derived solution has been verified by comparison with two existing standard consolidation solutions. Through a parametric study, the effects of temperature increment, the ratio of thermal diffusivity to consolidation coefficient on the thermal consolidation characteristics of soil were discussed. The results indicate that: the increase of temperature increment can promote the dissipation of pore water pressure, thereby accelerate the consolidation of soil; the larger the ratio of thermal diffusivity to consolidation coefficient, the faster the thermal expansion and consolidation rate of soil; the presence of thermal stress can promote the dissipation of pore water pressure, accelerate the soil consolidation rate, and reduce the final settlement of the soil through the thermal expansion of the soil.
- thermal consolidation,
- thermo-mechanical coupling,
- saturated soil,
- analytical solution

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References(36)

References

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Analytical solution for thermal consolidation of single-layered saturated soil considering thermo-mechanical coupling effect

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