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- aggregation classification "C1".
- aggregation creator person.
- aggregation creator person.
- aggregation date "2010".
- aggregation format "application/pdf".
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- aggregation isPartOf urn:isbn:9789537621070.
- aggregation language "eng".
- aggregation publisher "Ghent University, Department of Structural engineering".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "Assessment of the residual strength of concrete members after fire exposure".
- aggregation abstract "This paper discusses the use of the structural Eurocode EN 1992-1-2 for assessment of the residual strength of concrete members after exposure to fire. This code deals with the fire resistance of reinforced concrete structures during fire and provides a strength decrease formulation as a function of the temperature, as well as the thermal properties of calcareous and siliceous concrete. In EN 1992-1-2, simplified methods are described to calculate the fire resistance, such as the 500°C isotherm method. This method takes only the concrete heated below 500°C in account and considers the strength decrease of the reinforcement at the actually obtained temperature during fire. However, after fire exposure the concrete strength will reduce further. First, when the concrete is cooled with water by the fire brigade, additional strength losses of up to 30 % were noticed in experiments performed by the author. Second, experiments show that storage of the concrete in air and in water may result in additional strength losses of up to 20 % in the first weeks after cooling, after which slow recovery is possible. These additional residual strength losses are not considered in the EN 1992-1-2, since the models are intended for reinforced concrete during a fire. In this paper the residual bearing resistence of a pretensioned small beam, heated during a real fire and afterwards submitted to a static loading test is calculated. In this experiment the residual strength losses are incorporated and the results show adequate correspondence with the experimental test results.".
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- aggregation endPage "1292".
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- aggregation volume "2".
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