Abstract
Composite shells have excellent structural performance and there is a growing tendency for structural designers to adopt more composite structural systems in Japan. However, many types of these kinds of structures have many problems concerning their fire resistance. It is important to establish the valid methods for rational evaluation of fire resistance of these structures. In this paper, computational methods to evaluate the fire resistance of concrete structures are presented and some computational examples are shown. The purposes of this study are; 1) to present the method of heat and moisture transfer analysis, 2) to propose the elasto-plastic themal stress analysis method taking into account of the moisture effects. The validity of these analysis methods for concrete members under high temperature is evaluated.
