Critical Accelerations for Propped Diaphragm Walls in Sand by Finite Element Limit Analysis

被引：7
|
作者：
Cattoni, Elisabetta [1 ]
Tamagnini, Claudio [2 ]
机构：
[1] eCampus Univ, Dept Civil & Environm Engn, Novedrate, CO, Italy
[2] Univ Perugia, Fac Engn, Perugia, PG, Italy
来源：
JOURNAL OF EARTHQUAKE ENGINEERING | 2020年 / 24卷 / 03期
关键词：
Critical Acceleration; Diaphragm Walls; Limit Analysis; Finite Element Method; Performance-Based Design; DISCONTINUITY LAYOUT OPTIMIZATION; DISPLACEMENT; CAPACITY; BEHAVIOR; DESIGN; CLAY;
D O I：
10.1080/13632469.2018.1452805
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper presents the results of a parametric study aimed at determining the pseudo-static critical acceleration of a propped retaining wall in sand under seismic conditions, as a function of problem geometry, soil strength and wall strength. The critical acceleration ratio has been computed by means of a finite element formulation of the limit analysis (LA) theorems. The results obtained, presented in dimensionless form, could be used in the safety assessment of similar structures under earthquake loading by means of the classical pseudo-static approach or in simplified Newmark-based methods, where the seismic performance is evaluated in terms of permanent displacements.
引用
收藏
页码：403 / 420
页数：18
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