実寸大模型を用いた振動台実験に基づく墓石の各種耐震補強策の効果の検証

概要

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A gravestone in Japan is a simple structure in which each stone is merely stacked without any reinforcements. Therefore, gravestones are easy to overturn during earthquakes. In the earthquake damage survey, the overtuming rate or the aspect ratio of overturned gravestones has been used to estimate the seismic intensity or peak ground acceleration on the site. In this way, gravestones have been used as the indicator of the seismic intensity. However, overturning of gravestones should be avoided because it has the possibility to hurt people and gravestones are for worship of our ancestors. Therefore, the reinforcement of gravestones is important from the view point of the prevention of overturning. In this study, shaking table tests of full scale models were done in order to investigate the seismic behavior of the gravestones and the effectiveness of reinforcement measures.
地域安全学会の論文