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6 May 2022 Three-dimensional numerical modelling of the effects of deep excavation on nearby buildings
Xusheng He, Shuangping Hu, Lei Yang, Yan Chen, Xiaoxi Fu
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Proceedings Volume 12256, International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2022); 1225609 (2022) https://doi.org/10.1117/12.2635419
Event: 2022 International Conference on Electronic Information Engineering, Big Data and Computer Technology, 2022, Sanya, China
Abstract
In densely built urban cities, deep excavations are often carried out near buildings. Excavation works inevitably induce soil stress changes and soil movements in the ground. Hence, settlement and horizontal displacement may be induced in buildings. In this paper, a three-dimensional numerical analysis was carried out to investigate the effects of excavation on two nearby buildings. An excavation for a metro station in Nanning, Guangxi province of China is adopted as the background of this case study. The minimum distance between excavation and buildings is only 5.5m, which is within one time of the excavation depth. The hardening soil model with small-strain stiffness was adopted to model the behaviour of soil. The excavation procedure in the site was modelled in the numerical analysis. Based on the numerical analysis, settlement and horizontal displacement of the two buildings are presented and analysed.
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Xusheng He, Shuangping Hu, Lei Yang, Yan Chen, and Xiaoxi Fu "Three-dimensional numerical modelling of the effects of deep excavation on nearby buildings", Proc. SPIE 12256, International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2022), 1225609 (6 May 2022); https://doi.org/10.1117/12.2635419
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KEYWORDS
Buildings
3D modeling
Numerical analysis
Numerical modeling
Soil science
Civil engineering
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