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The effect of strain rate on the compressive behaviour of high-strength concrete (HSC) after exposure to elevated temperatures was experimentally investigated. 45 HSC prisms were heated up to 20, 200, 400, 600 and 800°C. The pre-heated prisms were then axially loaded at a quasi-static strain rate of 10−5s−1 as well as two aftershock dynamic strain rates of 10−3 and 0.067s−1, respectively. The test...
Cubes of 100×100×100mm 3 and cylinders of 100×100×515mm 3 were designed and fabricated with C50, C80 and C100 high-performance concrete (HPC) mixed with and without polypropylene (PP) fibres, respectively. These specimens were heated in an electric furnace, approximately following the curve of ISO-834, with a series of target temperatures ranging from 20 to 900°C. No explosive spalling...
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