期刊
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
卷 50, 期 24, 页码 3805-3816出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijsolstr.2013.07.008
关键词
Concrete; Constitutive model; Plasticity; Damage mechanics; Fracture; Mesh dependence
类别
资金
- MSB - the Swedish Civil Contigencies Agency
- UKs Engineering and Physical Sciences Research Council (EPSRC) [EP/I036427/1]
- Engineering and Physical Sciences Research Council [EP/I036427/1] Funding Source: researchfish
- EPSRC [EP/I036427/1] Funding Source: UKRI
A constitutive model based on the combination of damage mechanics and plasticity is developed to analyse the failure of concrete structures. The aim is to obtain a model, which describes the important characteristics of the failure process of concrete subjected to multiaxial loading. This is achieved by combining an effective stress based plasticity model with a damage model based on plastic and elastic strain measures. The model response in tension, uni-, bi- and triaxial compression is compared to experimental results. The model describes well the increase in strength and displacement capacity for increasing confinement levels. Furthermore, the model is applied to the structural analyses of tensile and compressive failure. (C) 2013 Elsevier Ltd. All rights reserved.
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