An effective combined framework for modelling the time-dependent behaviour of soft structured clays

被引：15
|
作者：
Manica, Miguel A. [1 ]
Gens, Antonio [2 ]
Ovando-Shelley, Efrain [1 ]
Botero, Eduardo [1 ]
Vaunat, Jean [2 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Engn, Mexico City, DF, Mexico
[2] Univ Politecn Cataluna, Dept Civil & Environm Engn, Barcelona Tech, CIMNE, Barcelona, Spain
来源：
ACTA GEOTECHNICA | 2021年 / 16卷 / 02期
关键词：
Plasticity-creep partition; Soft clay; Structuration; Time dependency; Viscoplasticity; STRESS-STRAIN BEHAVIOR; CONSTITUTIVE MODEL; CREEP-BEHAVIOR; PLASTICITY; COMPRESSIBILITY; EQUATION; VISCOPLASTICITY; CONSOLIDATION;
D O I：
10.1007/s11440-020-01025-4
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A constitutive framework for the simulation of the time-dependent behaviour of soft structured clays has been developed from the combination of a number of existing modelling approaches. The formulation accounts, in a natural way, for time-dependent phenomena such as loading rate dependency, stress relaxation, ageing, and creep deformations under constant load. In addition, the effect of structure is accounted for. To demonstrate the potential of the proposed approach, a specific model based on this framework is described and applied to the simulation of a number of relevant laboratory tests from the literature.
引用
收藏
页码：535 / 550
页数：16
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