Research about tensile sensitive characteristics of carbon fibre reinforced concrete and security self-diagnosis system of beam

Longnan Huang; Xinbo Wang; Dongxing Zhang

doi:10.1117/12.839566

20 October 2009 Research about tensile sensitive characteristics of carbon fibre reinforced concrete and security self-diagnosis system of beam

Longnan Huang, Xinbo Wang, Dongxing Zhang

Author Affiliations +

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 749324 (2009) https://doi.org/10.1117/12.839566
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

Based on real-time diagnosis of health status of reinforced concrete beam, intellectual supervisory layer of carbon fiber reinforced concrete (CFRC) was set up at the bottom of girder structure. The intrinsic law of tensile sensitive characteristic of CFRC was studied and the electrical property collection and the stress transformation system of structure intellectual layer were established. It depends on the premise that carbon fibers are conductive, and that a stable relationship between electric resistivity and stress field exists. The security self-diagnosis of girder structure was fulfilled through online real-time monitoring and evaluation on electrical signal of intelligence layer of reinforced concrete beam.

Citation Download Citation

Longnan Huang, Xinbo Wang, and Dongxing Zhang "Research about tensile sensitive characteristics of carbon fibre reinforced concrete and security self-diagnosis system of beam", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 749324 (20 October 2009); https://doi.org/10.1117/12.839566

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