| Issue |
E3S Web Conf.
Volume 237, 2021
3rd International Symposium on Architecture Research Frontiers and Ecological Environment (ARFEE 2020)
|
|
|---|---|---|
| Article Number | 03010 | |
| Number of page(s) | 5 | |
| Section | Architecture Science and Civil Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202123703010 | |
| Published online | 09 February 2021 | |
Comparison and analysis of pile-soil separate calculation and composite foundation calculation method for gravel pile reinforcement
1
School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
2
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
* Li Hong-yuan: lihongyuan231@foxmail.com
This paper uses Indraratna seepage theory, Han pile-soil seepage theory and composite foundation theory to establish three plane strain models. Through finite element calculations, the changes in pore pressure and settlement are compared, and the following laws are found: (1) The model established by the composite foundation theory cannot reflect the objective laws of seepage and deformation; (2) In the case of multiple piles, there is no difference in settlement between Han pile-soil seepage theory considering the bearing characteristics of gravel piles and Indraratna seepage theory without considering the bearing characteristics of gravel piles. (3) The settlement value obtained by the principle of composite foundation is much smaller than the settlement value obtained by the separate calculation of pile and soil.
© The Authors, published by EDP Sciences, 2021
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