Constitutive modelling of viscous behaviour of soils: A case study

被引：4
|
作者：
Madaschi, Aldo [1 ]
Gajo, Alessandro [1 ]
机构：
[1] Univ Trento, Dept Civil Environm & Mech Engn, Via Mesiano 77, I-38123 Trento, Italy
来源：
GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT | 2015年 / 4卷
关键词：
Constitutive modelling; Organic clay; Viscoplasticity; Embankment settlement; Numerical modelling;
D O I：
10.1016/j.gete.2015.08.001
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
An innovative constitutive 1D rheological model is proposed for simulating the visco-elasto-plastic behaviour of geological materials. The principal innovative aspect of this model is the identification and the calibration of two mechanisms of deformation: the first one is a short term mechanism, whereas the second one is a long term mechanism. In this work the first mechanism is considered as perfectly instantaneous and the implications of this assumption are firstly examined with reference to typical laboratory test results. Model simulations are then compared with the settlements history measured below a 8.00m high embankment, built on organic soils and subjected to nearly 1.00m large settlements in less than one year. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：39 / 50
页数：12
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