IMPORTANCE OF MEASURING THE HORIZONTAL VIBRATION AND THE STRUCTURAL RESPONSE IN RESPECT TO PUBLIC DISTURBANCES DUE TO TRAFFIC AND BLASTING VIBRATION

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  • 公害振動における構造物の応答特性と水平振動計測の重要性について
  • コウガイ シンドウ ニ オケル コウゾウブツ ノ オウトウ トクセイ ト スイ

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Abstract

We have been paying attention only to the magnitude of vertical vibration levels at the surface ground for estimation of public disturbances due to traffic and blasting vibration. Inhabitants are, however, more sensitive to the vibration inside their houses than outside them. Moreover, the house is apt to vibrate horizontally. This implies the neccessity of taking the structural response and the horizontal vibration into consideration when the vibration level inside of a house is discussed.<br>The purpose of this study is to investigate both the horizontal and the vertical vibration levels considering the response characteristics of the structure. In order to analyze the response characteristics of the structure from the vibration level, we adopted the methodology of the response spectrum. As the horizontal response is dominant in the vibration of the structure, especially in low frequency range, the importance of measuring the horizontal vibration is shown from the analyses performed.

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