地盤振動

[CS10-48] Characteristics of building vibration of evacuation facilities and subsurface structure of the Mikuriya area based on microtremor observation in the Daisen Town, Tottori Prefecture, Japan

〇Tatsuya Noguchi¹, Hiroo Nishida¹, Takuya Nishimura¹, Takao Kagawa¹ (1.Tottori University)

Keywords:microtremor observation, subsurface structure, evacuation facilities, Mikuriya area, Daisen Town

In this study, we conducted microtremor observation at buildings and ground site of the evacuation facilities, and subsurface structure of the Mikuriya area in the Daisen town, Tottori Prefecture, Japan. As a result, predominant period of the evacuation facility buildings and ground on site was obtained. Predominant period of Mikuriya area were short period band : 0.01 - 0.4s and long period band: 0.7 - 4s. The S-wave velocity of the Quaternary sediments layer in the target area were 100m/s to 400m/s, and the layer thickness was max 100m.