A STUDY ON PROPAGATION PROPERTIES OF TRAFFIC VIBRATION WITH SILICONE SOIL-PILE INTERACTION MODEL TEST

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  • シリコン地盤模型を用いた地盤－杭基礎系の交通振動伝搬に関する研究
  • シリコン ジバン モケイ オ モチイタ ジバン クイキソケイ ノ コウツウ シンドウ デンパン ニ カンスル ケンキュウ

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In order to predict the level of vibration and structure-borne sound of a building near the railway tracks, it is essential to investigate vibration propagation from the ground to the foundation of the building. In this paper, a study on the property of vibration propagation based on a silicone soil-pile interaction model test is described. In the tests, exciting points were set on the silicone soil surface, on a pile model and in a tunnel model, and we investigated the distribution of vibration in the silicon soil and the input loss from silicon soil to pile model in those exciting cases. Finally, we predicted the vibration propagation from the silicon soil to the pile model in the three exciting cases with a simple prediction method based on the dynamic-substructure method, and confirmed that the predicted results generally coincide with measurements.

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