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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Residual Strength of Fire-Exposed Reinforced Concrete Columns
Author(s): T T. Lie, T. J. Rowe, and T. D. Lin
Publication: Special Publication
Appears on pages(s): 153-174
Keywords: columns (supports); compressive strength; deformation;
fires; fire tests; loads (forces); reinforced concrete; strength;
temperature; ultrasonic tests
Abstract:A study was carried out to assess the residual strength of reinforced concrete columns after exposure to a standard fire for various lengths of time, and cooling. The use of a mathematical model, an ultrasonic pulse test method and a load test method are investigated. Calculated temperatures and residual strengths of test columns were compared with those measured. Comparisons were also made between calculated and measured pulse velocities. The results indicated that using the calculation procedure and the method of measuring pulse velocity described in the study, the residual strength of concrete columns can be assessed with an accuracy sufficient for practical purposes.
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