Statistical three-dimensional investigation of the damage evolution in heterogeneous materials

被引：3
|
作者：
Berthelot, Jean-Marie [1 ]
Diouf, Boubakar [2 ,3 ]
Picart, Pascal [2 ]
机构：
[1] ISMANS, Inst Adv Mat & Mech, F-72000 Le Mans, France
[2] Univ Maine, F-72085 Le Mans 9, France
[3] Univ Liege, Dept Mech Mat & Struct, B-4000 Liege, Belgium
来源：
ENGINEERING FRACTURE MECHANICS | 2008年 / 75卷 / 06期
关键词：
heterogeneous materials; fracture development; statistical investigation; tension; three-point bending;
D O I：
10.1016/j.engfracmech.2007.07.013
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A simulation procedure is implemented for evaluating the damage development though structures or test specimens constituted of heterogeneous materials. Stress and strain fields are obtained using a three-dimensional finite element analysis. Materials are assumed to have a brittle local behaviour and statistical distributions of fracture stresses are considered and distributed randomly through the structure or the test specimen. The influence of the scattering width of the stress distributions is analysed in the case of tensile tests and three-point bending tests. Experimental investigation of the fracture development is carried out in the case of polymer concrete using holography and the results obtained are compared with the results derived from the simulation procedure.(C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1431 / 1450
页数：20
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