INVESTIGATION ON INDICES OF REPRESENTING DESTRUCTIVE POWER OF STRONG GROUND MOTIONS TO ESTIMATE DAMAGE TO BUILDINGS BASED ON THE 1999 CHI-CHI EARTHQUAKE, TAIWAN

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  • 1999年台湾集集地震に基づいた建物被害を予測する地震動の破壊力指標の検討
  • 1999ネン タイワンシュウシュウ ジシン ニ モトヅイタ タテモノ ヒガイ オ ヨソク スル ジシンドウ ノ ハカイリョク シヒョウ ノ ケントウ

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Abstract

Indices of representing destructive power of strong ground motions to estimate damage to buildings were investigated using strong ground motions recorded in the 1999 Chi-Chi, Taiwan Earthquake and the results of damage investigation. Correleration between indices of representing destructive power of strong ground motions and three buildling damage ratio index were examined. Damage to buildings cannot be estimated sufficiently by indices of representing destructive power of strong ground motions such as peak ground acceleration, peak ground velocity, spectrum intensity and JMA seismic intensity. The elastic response around 0.8-12 sec which can estimate damage to buildings more adequately was proposed.

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