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Title: 阪神・淡路大震災-防災研究への取り組み-阪神大震災を引き起こした強震動
Other Titles: Near-Fault Ground Motions Causing the Great Hanshin Earthquake Disaster
Authors: 入倉, 孝次郎  KAKEN_name
Author's alias: IRIKURA, Kojiro
Issue Date: 1-Apr-1996
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. A
Volume: 39
Issue: A
Start page: 17
End page: 33
Abstract: The ground motions in the near-fault region in Kobe from the Hyogo-ken Nanbu earthquake were characterized by two large long-period (1 to 2 seconds) pulses due to forward rupture directivity. We confirmed that at heavily damaged sites the large long-period pulses were further amplified due to the basin edge effects from the 3-D simulation by the finite difference method. We also simulated the strong ground motions at the heavily damaged sites by the empirical Green's function method, showing two distinct pulsive-motions with peak acceleration of about 100 gals and peak velocity of 130 cm/s.
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