3.2 Ohsaki (1994)

1) Reference

Ohsaki, Y., 1994, New - Introduction to Spectral Analysis of Earthquake Motion, Kajima Institute Publishing (in Japanese).

2) Formula

Ohsaki (1994) defined the duration time and the envelope function to make the simulated seismic waves which are used for building design as follows;

(1) Duration Time T_d

(2) Envelope of Acceleration Wave Form E(t)