EVALUATION OF PLASTICITY-BASED SOIL CONSTITUTIVE MODELS IN SIMULATION OF BRACED EXCAVATION

被引：0

作者：

Verghese, Samuel J. ^{[1
]}

Nguyen, Cuong T. ^{[2
,3
]}

Bui, Ha H. ^{[1
]}

机构：

[1] Monash Univ, Dept Civil Engn, Clayton, Vic, Australia

[2] Vietnam Acad Sci & Technol, Inst Mech, Hanoi, Vietnam

[3] Ritsumeikan Univ, Dept Civil Engn, Kyoto, Japan

来源：

INTERNATIONAL JOURNAL OF GEOMATE | 2013年 / 5卷 / 10期

关键词：

Constitutive Soil Models; Plasticity Theory; Finite Element Method; Numerical Modelling;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Numerical modelling continues to play a unique and intrinsic role in the process of geotechnical design. Of greatest concern are soil constitutive models that are employed within finite element software to predict soil behaviour. The objective of this paper is to provide a numerical study of the Mohr-Coulomb and Hardening Soil constitutive models in simulation of a braced excavation. The Taipei National Enterprise Centre (TNEC) basement construction process was well documented and the commercial finite element code, Plaxis, was selected for this numerical comparative study. It was found that the Mohr-Coulomb soil model, a first order approximation, produced an underestimation of the diaphragm wall deflection, whilst the Hardening Soil model provided a good prediction of the observed in-situ diaphragm wall deflections.

引用

页码：672 / 677

页数：6

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