RESEARCH PROGRESS ON DURABILITY OF BOND INTERFACE OF FRP SHEET REINFORCED STRUCTURES

Abstract

Abstract: Fiber reinforced polymer (FRP) is favored by civil engineers because of its advantages of light weight, high strength and good fatigue resistance. The strengthening effect of FRP sheet depends on the bonding performance between FRP and reinforced structure interface. For outdoor concrete structure and masonry structure, the long-term bonding performance of interface under environmental erosion should be guaranteed. Scholars at home and abroad have done a lot of experimental research on the durability of bond interface between FRP reinforced concrete structure and masonry structure under the accelerated aging test conditions of freeze-thaw cycle, dry wet cycle and acid-base medium, etc., and put forward many degradation models of bond performance. This paper summarizes the research status of bond interface durability of FRP reinforced concrete structure and masonry structure at home and abroad, and puts forward suggestions for future research work at the end of the paper.

Key words: FRP sheet, concrete structure, masonry structure, bonding interface, durability, composites

CLC Number:

TB332

WANG Zuo-hu, SHEN Shu-yang, YANG Ju, SHAO Ming-zhe. RESEARCH PROGRESS ON DURABILITY OF BOND INTERFACE OF FRP SHEET REINFORCED STRUCTURES[J]. Composites Science and Engineering, 2020, 0(7): 117-122.

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