A STUDY OF EVALUATION OF EARTHQUAKE INPUT ENERGY BASED ON RESPONSE SPECTRUM CHARACTERISTIC

Abstract

In this paper, the influences of the phase characteristic and the response spectrum characteristic of the earthquake wave on the earthquake input energy are examined based on the earthquake response analysis using the simulated seismic wave which is adjusted the normalized response spectrum. As a result, the characteristic of ƒ value proposed by Akiyama and Kitamura is clarified, and proposes the response spectrum effect value SM and ƒ* value considering SM value. The earthquake input energy of any earthquake wave without the case that earthquake response analysis is able to estimate using ƒ* value. Moreover in this paper, ƒ* value corresponding to the earthquake load which Japanese Building Standard Act provide is presumed by conducting seismic response analysis of real buildings. Therefore, on the comparing with ƒ* values of the existing seismic waves, the quantitative evaluation about that earthquake damage can be performed. The evaluation of the earthquake input energy based on ƒ* value as well as acceleration at the maximum is necessary for the evaluation of the earthquake wave. The ƒ* values are useful on the evaluation of the input earthquake wave.