Experimental and Numerical Investigation of Steel- and GFRP-Reinforced Concrete Beams Subject to Fire Exposure

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چکیده

This study investigates the behavior of three concrete beams reinforced with steel and GFRP bars under fire exposure. The tests were conducted including one control steel-reinforced (RC) beam two GFRP-RC beams. exposed to according standard curve ISO 834 for 3 h. investigation parameters included reinforcement types (i.e., bars) diameter bars. Based on experimental results, during exposure, deflection rate steel-RC was lower than ones critical temperatures measured at in 593 °C 300–330 °C, respectively along durations 83 33–36.4 min, respectively. different bar sizes did not affect resistance process. had greater All test specimens a time hours. In addition, 2D simplified finite element method (FEM) using commercial software ANSYS performed predict thermal response section. Compared FE model can reasonably responses sections.

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ژورنال

عنوان ژورنال: Buildings

سال: 2023

ISSN: ['2075-5309']

DOI: https://doi.org/10.3390/buildings13030609