A critical state two-surface plasticity model for gravelly soil-structure interfaces under monotonic and cyclic loading

被引：47
|
作者：
Saberi, Miad [1 ]
Annan, Charles-Darwin [1 ]
Konrad, Jean-Marie [1 ]
Lashkari, Ali [2 ]
机构：
[1] Univ Laval, Dept Civil & Water Engn, Quebec City, PQ, Canada
[2] Shiraz Univ Technol, Dept Civil & Environm Engn, Shiraz, Iran
来源：
COMPUTERS AND GEOTECHNICS | 2016年 / 80卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Soil-structure interface; Cyclic and monotonic loading; Loose and dense gravelly soils; Two-surface plasticity; Critical state soil mechanics; SAND-STRUCTURE INTERFACE; CONSTITUTIVE MODEL; ELASTOPLASTIC MODEL; SHEAR BEHAVIOR; STEEL; DEGRADATION; FRICTION; TESTS; PILES;
D O I：
10.1016/j.compgeo.2016.06.011
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An elasto-plastic model is proposed for modeling the constitutive behavior of the interface between gravelly soils and structural materials. This model is based on the two-surface plasticity formulation and it is compatible with the concept of critical state soil mechanics. The model requires the same set of eight calibration parameters for predicting the monotonic and cyclic responses of both loose and dense interfaces. The model simulates cyclic densification, shear degradation and the effects of normal pressure, soil density, and stress path. The performance of the proposed constitutive model is validated by tests data under different normal stresses and boundary conditions. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：71 / 82
页数：12
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