Not a few fire accidents in or on concrete structures such as tunnels, multipurpose ducts, and bridges, were reported, and various fire protection measures have being proposed. In many cases, the ...fires are caused by vehicles, and once damage is done, repairs take a long time and require significant expenses, posing a substantial burden on society. Rational fire-resistant design based on the fire behavior of concrete structures is required. The basic approaches to the fire resistance of concrete structures, the extent of damage upon occurrence of fires, and fire protection measures are described in this paper.
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