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Strengthening reinforced concrete beams using prestressed glass fiber-reinforced polymer—Part II: Analytical study

  • Civil Engineering
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Abstract

Strengthening reinforced concrete (R. C.) beams using prestressed glass fiber-reinforced polymer (PGFRP) was studied experimentally as described in Part I of this paper (Huanget al., 2005). In that paper, R. C. beams, R. C. beams with GFRP (glass fiber-reinforced polymer) sheets, and R. C. beams with PGFRP sheets were tested in both under-strengthened and over-strengthened cases. The test results showed that the load-carrying capacities (ultimate loads) of the beams with GFRP sheets were greater than those of the beams without polymer sheets. The load-carrying capacities of beams with PGFRP sheets were greater than those of beams with GFRP sheets. The objective of this work is to develop an analytical method to compute all of these load-carrying capacities. This analytical method is independent of the experiments and based only on the traditional R. C. and P. C. (prestressed concrete) theory. The analytical results accorded with the test results. It is suggested that this analytical method be used for analyzing and designing R. C. beams strengthened using GFRP or PGFRP sheets.

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Authors and Affiliations

  1. Department of Civil Engineering, National Chung-Hsing University, 40227, Taiwan

    Huang Yue-lin, Hung Chien-hsing, Yen Tsong, Wu Jong-hwei & Lin Yiching

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  1. Huang Yue-lin
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  2. Hung Chien-hsing
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  3. Yen Tsong
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  4. Wu Jong-hwei
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  5. Lin Yiching
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Correspondence to Huang Yue-lin.

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Huang, Yl., Chien-hsing, H., Tsong, Y. et al. Strengthening reinforced concrete beams using prestressed glass fiber-reinforced polymer—Part II: Analytical study. J. Zheijang Univ.-Sci. A 6, 844–852 (2005). https://doi.org/10.1631/jzus.2005.A0844

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  • DOI: https://doi.org/10.1631/jzus.2005.A0844

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