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Dive into the research topics where Koh Aizawa is active.

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Featured researches published by Koh Aizawa.


Earthquake Engineering & Structural Dynamics | 1986

Attenuation of peak ground acceleration, velocity and displacement based on multiple regression analysis of japanese strong motion records

Kazuhiko Kawashima; Koh Aizawa; Kazuyuki Takahashi


Earthquake Engineering & Structural Dynamics | 1989

Bracketed and normalized durations of earthquake ground acceleration

Kazuhiko Kawashima; Koh Aizawa


Doboku Gakkai Ronbunshu | 1984

MODIFICATION OF EARTHQUAKE RESPONSE SPECTRA WITH RESPECT TO DAMPING

Kazuhiko Kawashima; Koh Aizawa


Earthquake Engineering & Structural Dynamics | 1986

Earthquake response spectra taking account of number of response cycles

Kazuhiko Kawashima; Koh Aizawa


Doboku Gakkai Ronbunshu | 1985

DURATION OF STRONG MOTION ACCELERATION RECORDS

Kazuhiko Kawashima; Koh Aizawa; Kazuyuki Takahashi


Proceedings of the Japan Society of Civil Engineers | 1982

PROCEDURE OF INSTRUMENT CORRECTION AND DISPLACEMENT CALCULATION FOR SMAC-B2 ACCELEROGRAPH RECORDS WITH CONSIDERING ACCURACY OF DIGITIZATION

Kazuhiko Kawashima; Yoshikazu Takagi; Koh Aizawa


Doboku Gakkai Ronbunshu | 1992

DIFFERENTIAL GROUND MOTION ESTIMATION USING A TIME-SPACE STOCHASTIC PROCESS MODEL

Keiichi Tamura; Koh Aizawa


Proceedings of the Japan Society of Civil Engineers | 1983

EFFECTS OF COMPOSITION OF TWO HORIZONTAL COMPONENTS ON ATTENUATION OF MAXIMUM EARTHQUAKE GROUND MOTIONS AND RESPONSE SPECTRA

Kazuhiko Kawashima; Koh Aizawa; Kazuyuki Takahashi


Proceedings of the Japan Society of Civil Engineers | 1982

ACCURACY OF DIGITIZATION OF STRONG-MOTION RECORDS OBTAINED BY SMAC-ACCELEROGRAPH

Kazuhiko Kawashima; Yoshikazu Takagi; Koh Aizawa


Archive | 1991

Attenuation Characteristics of Ground Strains Induced During Earthquake

Ken-ichi Tokida; Koh Aizawa; Keiichi Tamura

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Kazuhiko Kawashima

Tokyo Institute of Technology

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Keiichi Tamura

Ministry of Construction

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Toshio Iwasaki

Ministry of Construction

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Yasushi Sasaki

Ministry of Construction

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