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A platform for research: civil engineering, architecture and urbanism
Compressive and flexural behaviour of CFRP-repaired concrete-filled steel tubes after exposure to fire
AbstractThis paper presents the results of axial compression and bending tests of fire-damaged concrete-filled steel tubes (CFST) repaired using unidirectional carbon fibre reinforced polymer (CFRP) composites. Both circular and square specimens were tested to investigate the repair effects of CFRP composites on them. The test results showed that the CFRP jackets enhanced the load-bearing capacity of the stub columns effectively. Enhancement of the columns’ stiffness due to the CFRP jackets was also observed. However, for beams, the test results demonstrated that the repair effect was not as good when compared with that for stub columns. From the test results, it is recommended that other appropriate repair measures should be taken in repairing severely fire-damaged CFST beams, or those members subjected to comparatively large bending moments.
Compressive and flexural behaviour of CFRP-repaired concrete-filled steel tubes after exposure to fire
AbstractThis paper presents the results of axial compression and bending tests of fire-damaged concrete-filled steel tubes (CFST) repaired using unidirectional carbon fibre reinforced polymer (CFRP) composites. Both circular and square specimens were tested to investigate the repair effects of CFRP composites on them. The test results showed that the CFRP jackets enhanced the load-bearing capacity of the stub columns effectively. Enhancement of the columns’ stiffness due to the CFRP jackets was also observed. However, for beams, the test results demonstrated that the repair effect was not as good when compared with that for stub columns. From the test results, it is recommended that other appropriate repair measures should be taken in repairing severely fire-damaged CFST beams, or those members subjected to comparatively large bending moments.
Compressive and flexural behaviour of CFRP-repaired concrete-filled steel tubes after exposure to fire
Tao, Zhong (author) / Han, Lin-Hai (author) / Wang, Ling-Ling (author)
Journal of Constructional Steel Research ; 63 ; 1116-1126
2006-09-20
11 pages
Article (Journal)
Electronic Resource
English
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