Mechanical properties of high-strength concrete after fire |
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Authors: | Min Li ChunXiang Qian Wei Sun |
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Affiliation: | Department of Materials Science and Engineering, Southeast University, Nanjing, Jiangsu, 210096, PR China |
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Abstract: | With compressive strength grade of C40, C60, and C70, respectively, normal-strength concrete (NSC) and high-strength concrete (HSC) were used to investigate compressive strength, splitting tensile strength, and bending strength after high temperature. The oil furnace is used in this study. Its temperature-time curve is close to standard curve, which conforms to Chinese standard GB/T 9978-1999. After being heated to temperatures of 200, 400, 600, 800, and 1000 °C, respectively, the mechanical properties of HSC were tested. The influence of temperature, water content, specimen size, strength grade, and temperature profiles on mechanical properties of HSC are discussed. |
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Keywords: | High-strength concrete Fire Mechanical properties |
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