초록

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Abstract ▼ AI-Helper

This study is aimed to investigate the residual strength of fire damaged high-performance concrete flexural and compressive members. The compressive strength of specimens is 55MPa and the main parameter for comparison is the exposure time to fire. In case of beams, the cover thickness made the diffe...

This study is aimed to investigate the residual strength of fire damaged high-performance concrete flexural and compressive members. The compressive strength of specimens is 55MPa and the main parameter for comparison is the exposure time to fire. In case of beams, the cover thickness made the differences in spalled section area, residual strength and serviceability. The exposure time to fire did not affect on the spalled section area in case of compressive members without loading. However, the residual strength and stiffness was reduced by the time exposed to fire. This study can be used to estimate the performance of fire damaged high-strength concrete structural members for reusing and to give the information for repairing and strengthening.