3D generalized beam (GB) lattice model for analysis of the failure of concrete

被引：0
|
作者：
Wang, Han [1 ]
Zhao, Minghao [2 ]
Gao, Ji [1 ]
Wang, Guangyuan [1 ]
机构：
[1] Beijing Inst Spacecraft Syst Engn, Beijing, Peoples R China
[2] Zhengzhou Univ, Dept Mech Engn, Zhengzhou, Peoples R China
来源：
ADVANCES IN MATERIALS AND MATERIALS PROCESSING, PTS 1-3 | 2013年 / 652-654卷
关键词：
3D generalized beam lattice; Fracture; Concrete; Peak load; Ductility; PARTICLE COMPOSITES; FRACTURE;
D O I：
10.4028/www.scientific.net/AMR.652-654.1455
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Concrete is usually described as a three-phase material, where matrix, aggregate and interface zones are distinguished. The beam lattice model has been applied widely by many investigators to simulate fracture processes in concrete. Due to the extremely large computational effort, however, the beam lattice model faces practical difficulties. Moreover, real fracture processes are 3D and not 2D. In our investigation, a new 3D lattice called generalized beam (GB) lattice is developed to reduce computational effort. Numerical results obtained by the model are in agreement to what are observed in tests. The 3D effects of the particle content on the peak load and ductility are discussed as well as the 3D fracturing phenomenon.
引用
收藏
页码：1455 / +
页数：3
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