E3S Web Conf.
Volume 198, 20202020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|Number of page(s)||5|
|Section||Exploration and Innovation of Construction Engineering Technology|
|Published online||26 October 2020|
Finite element analysis of soft foundation treatment by thermal drainage consolidation of group well
1 Ningbo Municipal Engineering Prophase Office, Ningbo, 315211, China
2 Institution of geotechnical engineering, Ningbo University, Ningbo, 315211, China
* Corresponding author: firstname.lastname@example.org
Thermal drainage consolidation method is a new technology of soft foundation treatment, which involves the coupling of thermo-hydro-mechanical field, and the action mechanism is complex. In this paper, taking the model test of thermal drainage consolidation as the prototype, the finite element model of thermal drainage consolidation is established by using Abaqus software, then, the numerical results are obtained and are compared with the results of model test, and the reliability of the numerical model is verified. The results show that when the applied load is constant, the higher the temperature is, the faster the consolidation speed of soil is, but with the increase of temperature, the consolidation effect of the same temperature difference will gradually weaken. In addition, the thermal drainage consolidation method can achieve the best treatment effect when the temperature of the soil reaches 60 ℃.
© The Authors, published by EDP Sciences 2020
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