The Study about Flexural Performance of GFRP Bar Reinforced Concrete Beams Based on Numerical Calculation Method

Abstract:

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Replacing the steel bar with GFRP (Glass Fiber Reinforced Plastics) bar can improve the durability of concrete structure in the corrosive environment. Different ratios of GFRP bar lead huge difference performance of GFRP reinforced concrete beams; therefore, to reduce the workload, it is very necessary to study GFRP reinforced concrete beams’ performance with suitable numerical calculation method. In the study, first, GFRP reinforced concrete beams’ mechanical behavior and failure characteristics were researched through the flexural experiments of GFRP reinforced concrete beams with different ratio of GFRP bar; Second, the numerical calculation model of GFRP reinforced concrete beams was built according to experimental results which contain the load-displacement curve and the phenomenon that concrete in compression zone are crushed, then the calculation criterion of obtaining the beam’s bearing capacity was proposed. Lastly, the bending bearing capacity of GFRP bar reinforced concrete beams with different ratio of GFRP is obtained through the finite element calculation, and the practical and simple calculation formula is acquired.

Info:

Periodical:

Edited by:

Honghua Tan

Pages:

1350-1356

DOI:

10.4028/www.scientific.net/AMM.29-32.1350

Citation:

Q. G. Yang et al., "The Study about Flexural Performance of GFRP Bar Reinforced Concrete Beams Based on Numerical Calculation Method", Applied Mechanics and Materials, Vols. 29-32, pp. 1350-1356, 2010

Online since:

August 2010

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Price:

$35.00

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