| Issue |
E3S Web Conf.
Volume 198, 2020
2020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|
|
|---|---|---|
| Article Number | 02013 | |
| Number of page(s) | 6 | |
| Section | Structural Engineering Monitoring, Control, Repair and Reinforcement | |
| DOI | https://doi.org/10.1051/e3sconf/202019802013 | |
| Published online | 26 October 2020 | |
The influence of the parameters of the diaphragm wall on the deformation of the excavation
Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou, China
* Corresponding author: 21212003@zju.edu.cn
A model of a certain excavation was established using PLAXIS 3D, and the measured value was compared with the calculated value. The thickness, elastic modulus, and embedded depth of the diaphragm wall are analysed by the controlled variable method. The graphs of the influence of the above three factors on the deformation of the retaining wall of the excavation, the settlement of the soil outside the pit, and the bending moment of the retaining wall are obtained. The data is relativized to make the comparison result more intuitive and vivid. With the increase of wall thickness or elastic modulus or embedded depth, the deformation of the retaining wall and the settlement of the soil outside the pit will decrease. As the wall thickness or elastic modulus increases, the bending moment of the retaining wall will increase. The embedded depth has almost no effect on the bending moment. The magnitude of the influence on the deformation and force of the excavation is sorted from the largest to the smallest as the wall thickness, the elastic modulus, and the embedded depth.
© The Authors, published by EDP Sciences 2020
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