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

被引：7

作者：

Maleki, Jafar ^{[1
]}

Pak, Ali ^{[2
]}

Yousefi, Mojtaba ^{[3
]}

Aghakhani, Nima ^{[2
]}

机构：

[1] Sharif Univ Technol, Dept Civil Eng, Geotech Eng, Tehran, Iran

[2] Sharif Univ Technol, Dept Civil Eng, Tehran, Iran

[3] Sharif Univ Technol, Dept Comp Eng, Tehran, Iran

来源：

TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2022年 / 122卷

关键词：

Deep excavation; Anchored wall system; Wall deformation; GA-PSO algorithm; ADAPTIVE REGRESSION SPLINES; BRACED EXCAVATION; INVERSE ANALYSIS; NEURAL-NETWORK; RESIDUAL SOIL; MODEL; PERFORMANCE; SUPPORT;

D O I：

10.1016/j.tust.2021.104340

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

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.

引用

页数：19

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