A damage model for high-cycle fatigue behavior of bond between FRP bar and concrete

被引：25

作者：

Rezazadeh, Mohammadali ^{[1
]}

Carvelli, Valter ^{[2
]}

机构：

[1] Univ Minho, Dept Civil Engn, Struct Div, ISISE, P-4800058 Guimaraes, Portugal

[2] Politecn Milan, Dept ABC, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2018年 / 111卷

关键词：

High cycle fatigue; Interface; Polymer matrix composites; Reinforced concrete; Finite elements; COHESIVE ZONE MODEL; COMPOSITE-MATERIALS; RC BEAMS; INTERFACE; JOINTS; PREDICTION;

D O I：

10.1016/j.ijfatigue.2018.02.012

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A damage-based model was developed for the bond behavior between fiber-reinforced-polymer (FRP) bar and concrete under high-cycle fatigue loading. The high-cycle fatigue nonlinearity is simulated using two separate damage parameters for reproducing the bond stiffness degradation and residual slip growth. The developed damage model was combined with a 'cycle jump' technique to reduce the computational time based on selecting a set of loading cycles. The model was implemented in a 3D finite-element (FE) code, with the aim of simulating the relevant experimental pullout tests. The sensitivity of the fatigue model to the damage parameters and its good predictive performance were demonstrated.

引用

页码：101 / 111

页数：11

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