A two-scale damage model for high-cycle fatigue at the fiber-reinforced polymer-concrete interface

被引:4
|
作者
Mahal, M. [1 ,2 ]
Blanksvard, T. [1 ]
Taljsten, B. [1 ,3 ]
机构
[1] Lulea Univ Technol, Dept Civil Environm & Nat Resources Engn, S-95187 Lulea, Sweden
[2] Univ Mosul, Dept Civil Engn, Mosul, Iraq
[3] Sto Scandinavia AB, Malmo, Sweden
关键词
Damage High-cycle fatigue; Finite element; Bond behavior; Fiber-reinforced polymer (FRP); Concrete; PERFORMANCE; BEHAVIOR;
D O I
10.1016/j.finel.2016.03.003
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
This paper presents a new two-scale damage model of the fiber-reinforced polymer (FRP)-concrete bond under high-cycle fatigue. The material behavior is modeled as elastic-plastic coupled with damage for the microscale analysis and as elastic for the mesoscale analysis. A new damage law for the interface joint is described. The two-scale damage model has been implemented as a material model for a three dimensional an eight-node interface element of zero thickness and used to simulate a double shear joint specimen under high cycle fatigue. The numerical calculations were performed with a full incremental cycle solution and a new cycle jump approach. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:12 / 20
页数:9
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