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- Title
土体参数对于深基坑支护结构变形的影响.
- Authors
张向东; 刘 洋
- Abstract
In order to study the influence of soil parameters change on the deformation of pile anchor support structure, combined with a certain foundation pit project in Liaoning, the deformation characteristics of supporting structure are analyzed by using the finite element software Midas GTS, and the numerical simulation results are compared with the measured results. The results show that with the increase of excavation depth, pile anchor retaining structure horizontal displacement increases gradually, and the deformation curves of horizontal displacement is bow shaped. The position of the maximum horizontal displacement is not at the top of the pile, but at a certain distance from the pile at the top of the pile. And with the increase of the depth of excavation and gradually declined, and finally stabilized at the depth of the excavation of about 7/10. Dewatering of foundation pit will cause the change of soil parameters. The cohesive force is bigger, and the support structure level displacement is smaller; the internal friction angle is bigger, and the horizontal displacement of support structure is smaller.
- Publication
Journal of Liaoning Technical University (Natural Science Edition) / Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban), 2018, Vol 37, Issue 5, p794
- ISSN
1008-0562
- Publication type
Article
- DOI
10.11956/j.issn.1008-0562.2018.05.005