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Title: Reinforced high strength concrete under the influence of fire
Authors: Wong, YL
Issue Date: 2007
Source: Structural engineer, 2007, v. 85, no. 12, p. 19-22 How to cite?
Journal: Structural Engineer 
Abstract: An overview of the research findings on reinforced high strength concrete (HSC) under the influence of fire and comparison of these findings with the relevant Eurocode provisions, is presented. The codified recommendations show some differences from the research findings when the physical and mechanical properties of high strength are quantified. The normal and high strength concretes, though show some degree of differences in fire performance, their thermal damage patterns are similar and stem from thermal mismatch, decomposition of hydrates, and pore water pressure. Three major factors are required for the occurrence of concrete spalling, such as HSC of compressive strength greater than 60MPa, a considerable amount of concrete free water, and a concrete temperature of around 250°C. The discrepancies observed in the concrete spalling occurrence in tests can be attributed to factors, such as the formation of mismatch induced cracks due to the temperature gradient.
ISSN: 1466-5123
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