Semianalytical Method for Controlling the Deformation of Retaining Structures Subjected to Asymmetrical Loads

Ding, Haibin; Wan, Qiwei; Xu, Changjie; Fan, Xiaozhen; Tong, Lihong

doi:10.1061/ijgnai.gmeng-9090

Int. J. Geomech.

2024

DOI: 10.1061/ijgnai.gmeng-9090

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Semianalytical Method for Controlling the Deformation of Retaining Structures Subjected to Asymmetrical Loads

Haibin Ding,

Qiwei Wan,

Changjie Xu

et al.

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2024

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Force and Deformation Characteristics of Large-Scale Zoning Excavation in Soft Soil: A Case Study in Hangzhou

Lin,

Zhao

et al. 2024

Applied Sciences

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The zoning excavation method is fully employed to control the deformation of foundation pits constructed in urban soft soil areas. However, the similarities and differences in forces and deformations between foundation pits excavated by the zonal method and those excavated by the conventional method still need to be further explored. In this study, the deformation was monitored and analyzed by taking the zonal excavation of a foundation pit of the ‘New World’ project in Hangzhou City as the research object. The measured results showed that the pre-built diaphragm wall for the first excavated foundation pit restricted the deformation of the first excavated diaphragm wall. The presence of extensive construction and unloading activities also changed the deformation pattern of the soil. Further, finite element simulations were carried out. The simulation results revealed that excavating the foundation pit first caused displacements in the pre-built diaphragm wall. The displacements transmitted by non-adjacent pits through the pre-built diaphragm wall were small and were concentrated at the junction of the two sub-pits. Adjacent foundation pits caused large displacements of the pre-built diaphragm wall with similar displacement patterns. The results of the study can provide effective guidance for foundation pit excavation in soft soil areas in the future.

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Force and Deformation Characteristics of Large-Scale Zoning Excavation in Soft Soil: A Case Study in Hangzhou

Lin,

Zhao

et al. 2024

Applied Sciences

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show abstract

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Semianalytical Method for Controlling the Deformation of Retaining Structures Subjected to Asymmetrical Loads

Cited by 1 publication

References 27 publications

Force and Deformation Characteristics of Large-Scale Zoning Excavation in Soft Soil: A Case Study in Hangzhou

Force and Deformation Characteristics of Large-Scale Zoning Excavation in Soft Soil: A Case Study in Hangzhou

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