Splitting tensile behavior of autoclaved aerated concrete: Comparison of different specimens' results

被引：16
|
作者：
Malyszko, Leszek [1 ]
Kowalska, Edyta [1 ]
Bilko, Piotr [1 ]
机构：
[1] Univ Warmia & Mazury, Fac Geodesy Geospatial & Civil Engn, Heweliusza 4, PL-10724 Olsztyn, Poland
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 157卷
关键词：
Brazilian test; Autoclaved aerated concrete (AAC); Digital image correlation; Failure mechanism; Nonlinear FEM simulation; Elastic plastic constitutive model; DIGITAL IMAGE CORRELATION; PERFORMANCE; TESTS;
D O I：
10.1016/j.conbuildmat.2017.09.167
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This research presents results of the experimental and numerical study of Brazilian tests on cylindrical and cubic specimens made of autoclaved aerated concrete. Failure mechanisms are discussed based on spatial finite element simulations and experiments with the digital image correlation and strain gauges. The simulations have been carried out using the constitutive model of isotropic plasticity with the Mohr Coulomb yield condition and the strain softening hypothesis. A new method of determining of elastic constants for the cylindrical specimen has been developed. The Young's modulus and the Poisson's ratio are determined by fitting the theoretical solutions into the displacement field obtained experimentally. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1190 / 1198
页数：9
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