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Proceedings Paper

Effect of length of carbon fiber sheet on the stress field of the reinforced concrete three-point bending specimen with a V notch
Author(s): Peiyan Huang; Ming Jin; Lifeng Luo; Shengmin Hu; Guisen Zhang
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Paper Abstract

Affixing high strength fiber-sheet is an advanced method to reinforce or repair the concrete structures. In this paper, the theoretical analysis and FEM are used to discuss the effects of carbon fiber-sheet (CFS) on the stress field of the reinforced concrete 3-point bending specimens with V-notch. The results show that affixing CFS to the bottom of the specimen can change the stress distribution and failure mode of the specimen. The failure mode of CFS reinforced concrete specimen is determined by the location and size of the 'over-stress area' on the concrete side of the interface between concrete member and CFS. Moreover, the location and size of the 'over-stress area' is affected greatly by the length, L, of the CFS. Therefore, to improve the load- carrying capacity of the specimen, the 'over-stress area' on the concrete side of the interface should be within the affixing length of CFS. The length of the CFS should satisfy the requirement: L/S >= 3/4.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468796
Show Author Affiliations
Peiyan Huang, South China Univ. of Technology (China)
Ming Jin, South China Univ. of Technology (China)
Lifeng Luo, South China Univ. of Technology (China)
Shengmin Hu, Guangzhou Highway Bureau (China)
Guisen Zhang, Guangzhou Highway Bureau (China)


Published in SPIE Proceedings Vol. 4537:
Third International Conference on Experimental Mechanics

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