The study presents the behavior of high volume fly ash concrete at varying peak temperatures. Concrete cylinders of 100 × 200 mm were prepared by replacing the cement with fly ash in the range of 40–60% by weight. These concrete specimens, after 28 days curing, were exposed to varying peak temperatures ranging from 100 to 900°C to investigate the influence of temperature on the behavior of fly ash concrete. The compressive and split tensile strength of concrete increased initially with an increase in the temperature up to 300°C, however, further increase in the exposure temperature caused reduction in both strengths. The loss of weight of the concrete increased with increase in the temperature as well as the fly ash content.
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Khan, M.S., Abbas, H. Effect of elevated temperature on the behavior of high volume fly ash concrete. KSCE J Civ Eng 19, 1825–1831 (2015). https://doi.org/10.1007/s12205-014-1092-z
- high temperature
- fly ash concrete
- compressive strength
- split tensile strength