Description of inelastic behaviour of structural masonry

被引:53
作者
Pietruszczak, S [1 ]
Ushaksaraei, R [1 ]
机构
[1] McMaster Univ, Dept Civil Engn, Hamilton, ON L8S 4L7, Canada
关键词
structural masonry; plasticity; homogenization; anisotropy; finite element analysis;
D O I
10.1016/S0020-7683(03)00174-4
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The focus of this paper is on the description of progressive failure in structural masonry. A continuum formulation is developed here applicable to a representative volume which comprises a large number of units interspersed by mortar joints. The conditions at failure are defined by employing a critical plane approach, whereby the orientation of the localization plane is specified by solving a constrained optimization problem. The framework is subsequently extended to model the inelastic deformation process. This is accomplished by incorporating a multi-laminate approach in which the average response is derived from sliding/separation characteristics along a set of randomly distributed planes. The localized deformation is described by considering a structured medium comprising the intact masonry intercepted by a distinct macrocrack. Extensive numerical simulations are performed examining the response of brickwork in compression/tension regimes, at different orientations of the bed joints relative to the loading direction. A boundary-value problem is also studied involving an inelastic finite element analysis of a bearing masonry wall subjected to in-plane loading. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:4003 / 4019
页数:17
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