Meso-structural study of concrete fracture using interface elements.: II:: compression, biaxial and Brazilian test
Meso-structural study of concrete fracture using interface elements.: II:: compression, biaxial and Brazilian test
复制标题
DOI：
10.1617/s11527-007-9312-3
复制
发表时间：
2008-04-01
影响因子：
3.8
通讯作者：
Aguado, Antonio
中科院分区：
文献类型：
--
作者：
Lopez, Carlos M.;Carol, Ignacio;Aguado, Antonio
在前一篇文章中，最近提出的基于断裂的零厚度界面的细观力学模型被用于分析二维混凝土试件的单轴拉伸行为，将结果与众所周知的实验行为进行比较和讨论，并研究组成和参数对整体行为的影响。在本文的第二部分中，该模型被用来模拟其他情况，包括普通混凝土和高强混凝土的单轴压缩，考虑模板尺寸影响的巴西试验，以及双向试验。结果表明，在这种更广泛的材料行为范围内，模拟结果同样逼真，始终在其二维特性施加的限制内。
In the previous companion paper, a recently proposed meso-mechanical model using fracture-based zero-thickness interfaces was used to analyze 2D concrete specimens subject to uniaxial tension, to compare and discuss the results with respect to well-known experimental behavior, and to study the influence of composition and parameters on the overall behavior. In this second part paper, the model is used to simulate additional situations including uniaxial compression for conventional and high-strength concrete, Brazilian test including effects of platen size, and biaxial tests. The results show that the simulations are equally realistic in this wider range of material behavior, always within the limitation imposed by its two dimensional character.