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A comprehensive FE study for design of anchored wall systems for deep excavations

Maleki, J ; Sharif University of Technology | 2022

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  1. Type of Document: Article
  2. DOI: 10.1016/j.tust.2021.104340
  3. Publisher: Elsevier Ltd , 2022
  4. Abstract:
  5. Anchored wall system is one of the common methods used for deep excavation stabilization adjacent to sensitive structures in urban areas. A key aspect of the stability analysis of deep excavations is the amount of deformations occurring on the facing wall and the adjacent structures. In this research, a large number of parametric studies considering all aspects of soil-structure interaction is carried out for different excavation geometries to find the optimal design, and the outcome is shown in the form of design tables and charts. Also, by a GA-PSO algorithm and using the large database obtained from the numerical simulations, a simple equation is developed that can predict the deflections caused by deep excavations. The results of the proposed equation demonstrate high accuracy and marked consistency with the algorithm results, numerical analysis outcome, and real cases data. © 2021 Elsevier Ltd
  6. Keywords:
  7. Deformation ; Excavation ; Finite element method ; Genetic algorithms ; Anchored wall ; Anchored wall system ; Deep excavation ; GA-PSO algorithm ; PSO algorithms ; Sensitive structure ; Stability analyze ; Urban areas ; Wall deformation ; Wall systems ; Soil structure interactions ; Algorithm ; Design method ; Excavation ; Retaining wall ; Soil-structure interaction
  8. Source: Tunnelling and Underground Space Technology ; Volume 122 , 2022 ; 08867798 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/abs/pii/S0886779821005319