Three-dimensional effects of a deep excavation on wall deflections in loose to medium dense sands

被引：86

作者：

Hsiung, Bi-Chen Benson ^{[1
]}

Yang, Kuo-Hsin ^{[2
]}

Aila, Wahyuning ^{[2
]}

Hung, Ching ^{[3
]}

机构：

[1] Natl Kaohsiung Univ Appl Sci, Dept Civil Engn, 415 Chen Kung Rd, Kaohsiung 807, Taiwan

[2] Natl Taiwan Univ Sci & Technol Taiwan Tech, Dept Civil & Construct Engn, 43,Sec 4,Keelung Rd, Taipei 106, Taiwan

[3] Natl Cheng Kung Univ, Dept Civil Engn, 1 Univ Rd, Tainan 701, Taiwan

来源：

COMPUTERS AND GEOTECHNICS | 2016年 / 80卷

关键词：

Deep excavation; Loose to medium dense sand; Wall deflection; Three-dimensional effect; Plane strain ratio (PSR); FINITE-ELEMENT-ANALYSIS;

D O I：

10.1016/j.compgeo.2016.07.001

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a study that evaluates the three-dimensional effects of a deep excavation on wall displacements in loose to medium dense sands. A finite element (FE) analysis is then conducted to verify the performance of 3D FE models in predicting wall displacements and results indicate that the use of the Mohr-Coulomb model with the soil modulus obtained from in-situ dilatometers for loose to medium dense sands yields reasonable predictions of the excavation-induced wall displacements. Based on the parametric study, the plane strain ratio (PSR), was determined for excavations in loose to medium dense sand. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：138 / 151

页数：14

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