Numerical Analysis of Interfacial Bond Behavior of Externally Bonded FRP-to-Concrete Joints

Lin Jian-Ping; Wu Yu-Fei

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Numerical Analysis of Interfacial Bond Behavior of Externally Bonded FRP-to-Concrete Joints

机译：外部粘结FRP-混凝土节点界面粘结行为的数值分析

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Due to the complexity and difficulty involved, the interfacial bond-slip relationship of externally bonded (EB) fiber-reinforced polymer (FRP)-to-concrete joints has been investigated, mainly through experimental testing. This work investigates the interfacial behavior using the finite-element method (FEM). Damage plasticity theory is employed to model concrete material and the pull-off test of EB-FRP-to-concrete joints is simulated by FEM to study the interfacial behavior. Debonding process, failure mechanism, local bond strength distribution, and characteristics of the local bond-slip relationship are examined. It is found that the local bond-slip relationship has a shape different from all existing bond-slip models. However, such change in shape does not make a significant difference to the global interfacial load-slip response. (C) 2016 American Society of Civil Engineers.

机译：由于涉及的复杂性和难度，主要通过实验测试研究了外部粘结（EB）纤维增强聚合物（FRP）与混凝土接头之间的界面粘结-滑动关系。这项工作使用有限元方法（FEM）研究界面行为。采用损伤可塑性理论对混凝土材料进行建模，并通过有限元法模拟了EB-FRP到混凝土接缝的拉拔试验，以研究界面行为。检查了脱粘过程，破坏机理，局部粘结强度分布以及局部粘结滑移关系的特征。发现局部键滑关系的形状不同于所有现有的键滑模型。但是，这种形状变化不会对整体界面载荷滑移响应产生重大影响。（C）2016年美国土木工程师学会。

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来源
《Journal of Composites for Construction》 |2016年第5期|04016028.1-04016028.15|共15页
作者
Lin Jian-Ping; Wu Yu-Fei;
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作者单位

Huaqiao Univ, Coll Civil Engn, Xiamen 361021, Fujian Province, Peoples R China|City Univ Hong Kong, Dept Architecture & Civil Engn, Hong Kong, Hong Kong, Peoples R China;

City Univ Hong Kong, Dept Architecture & Civil Engn, Hong Kong, Hong Kong, Peoples R China|RMIT Univ, Sch Civil Environm & Chem Engn, Melbourne, Vic 3000, Australia;

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正文语种 eng
中图分类
关键词
Pull-off test; Debonding; Bond-slip relationship; Finite-element method;

机译：拉拔试验;脱胶;键滑关系;有限元法;

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1. Effect of adhesive properties on the bond behaviour of externally bonded FRP-to-concrete joints [J] . Shi Jia-Wei, Cao Wen-Hai, Wu Zhi-Shen Composites . 2019,第Nova15期

机译：胶粘剂性能对外部粘结的FRP与混凝土的粘结性能的影响
2. Quantification of Bond-Slip Relationship for Externally Bonded FRP-to-Concrete Joints [J] . Yu-Fei Wu, Cheng Jiang Journal of Composites for Construction . 2013,第5期

机译：外部粘结FRP到混凝土接头的粘结滑移关系的量化
3. Experimental and numerical study on the interfacial bonding characteristics of FRP-to-concrete joints with mechanical fastening [J] . Gao Lei, Zhang Feng, Liu Jiaqi, Construction and Building Materials . 2019,第FEBa28期

机译：机械紧固FRP与混凝土节点界面粘结特性的试验与数值研究
4. Full-range behavior of FRP-to-concrete bonded joints with trilinear bond-slip law [C] . H.Yuan, L.Wu Research and Applications in Structural Engineering, Mechanics and Computation . 2013

机译：具有三线性粘结滑移法则的FRP到混凝土粘结接头的全范围行为
5. A Study on End-anchorage and Bond Behavior of Steel-fiber Reinforced Cementitious Matrix Composites Externally Bonded to a Concrete Substrate [D] . Moore, Christopher Michael 2019

机译：钢纤维增强水泥基复合材料外部粘结到混凝土基底的端锚固和粘结性能研究
6. Influence of Surface Preparation Method on the Bond Behavior of Externally Bonded CFRP Reinforcements in Concrete [O] . Sérgio Soares, José Sena-Cruz, José Ricardo Cruz, 2019

机译：表面制备方法对混凝土外粘结CFRP增强材料粘结性能的影响
7. Effect of temperature variation on the full-range behavior of FRP-to-concrete bonded joints [O] . Gao, WY, Teng, JG, Dai, JG 2012

机译：温度变化对FRP-混凝土粘结节点全范围行为的影响

Numerical Analysis of Interfacial Bond Behavior of Externally Bonded FRP-to-Concrete Joints

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