補強材の付着すべりを考慮したコンクリート梁部材の自由振動解析

概要

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In general, the mechanical characteristic between concrete and reinforcements can be assumed to be perfectly bonded in the analyses of concrete members in elastic region. However, the asumption is not appropriate for concrete members with un-bonded tendons. To date, there has been little research considering the vibration analysis of concrete members with bond-slip. This paper deals with the free vibration analysis of reinforced concrete beam members considering the bond-slip of reinforcements. In this paper, first, the authors derive differential equations governing bending vibration of reinforced concrete beams in elastic region based on principle of virtual work. Then, the finite element formulation of the problem is implemented. Finally, several numerical examples with various bond moduli are shown to examine the effects of the bond-slip on the bending vibration of concrete beams.
社団法人日本建築学会の論文
2004-06-30