Research on Adhesive Property of Reinforced Concrete Sructure Strengthened with Near-Surface Mounted FRP Bars

2013 ◽  
Vol 351-352 ◽  
pp. 980-985
Author(s):  
Yong Feng Xu ◽  
Wei Tong Guo ◽  
Teng Fei He
Keyword(s):  
Reinforced Concrete ◽  
Bearing Capacity ◽  
Concrete Beams ◽  
Ultimate Bearing Capacity ◽  
Adhesive Property ◽  
Calculation Formula ◽  
Near Surface ◽  
Near Surface Mounted ◽  
Frp Bars ◽  
At Home

Now concrete beams reinforced with near surface mounted FRP bars has been researched at home and abroad. This article research the Bearing capacity of concrete beams reinforced with near surface mounted FRP bars by test, and also, Immunobead binding test, infer the calculation formula of ultimate bearing capacity with near surface mounted some bars base on the the single bar.

Flexural behaviour of concrete beams strengthened with near surface mounted fibre reinforced polymer bars

2010 ◽  
Vol 37 (10) ◽  
pp. 1371-1382 ◽  
Author(s):  
Shehab M. Soliman ◽  
Ehab El-Salakawy ◽  
Brahim Benmokrane
Keyword(s):  
Reinforced Concrete ◽  
Concrete Beams ◽  
Reinforced Concrete Beams ◽  
Near Surface ◽  
Modes Of Failure ◽  
Reinforced Polymer ◽  
External Reinforcement ◽  
Fibre Reinforced Polymer ◽  
Near Surface Mounted ◽  
Frp Bars

Fibre reinforced polymer (FRP) composite materials have been used as internal and external reinforcement for concrete structures. Flexural strengthening of concrete elements using near surface mounted (NSM)–FRP materials are a promising technology. This research is designed to investigate the behaviour of reinforced concrete beams strengthened in flexure with NSM–FRP bars. A total of 20 reinforced concrete beams were tested. Different parameters including internal steel reinforcement ratio, type of NSM–FRP bars, FRP bar diameter, bonded length, and groove size were investigated in this research. Test results showed that the use of NSM–FRP bars is effective in increasing the flexural capacity of concrete beams. In addition, a nonlinear 3D finite element (FE) analysis was used to numerically simulate the behaviour of the test beams. Comparisons between the FE predictions and experimental results showed very good agreement in terms of the load−deflection and load−strain relationships, ultimate capacities, and modes of failure for the tested beams.

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