OS1422 減肉部を有する配管系の振動応答と損傷挙動(エネルギー機器の経年劣化に関する健全性評価,オーガナイズドセッション)

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  • OS1422 Vibration response and failure behaviour of piping system with wall thinning

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Tri-axial shake table tests on the piping system with wall thinning were conducted to clarify the effect of wall thinning on vibration characteristics and failure modes of the piping system. The test results show that the predominant frequency and the maximum response acceleration would be reduced due to the existence of wall thinning. Nondestructive inspection methods would be useful for detecting the damage before the failure caused by the seismic load.

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