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最大加速度・rms加速度の方位依存性: ランダム位相の短周期地震波
http://hdl.handle.net/10091/15605
http://hdl.handle.net/10091/156059b7d014d-b2ff-4cf1-9f5b-0fa0d6ade942
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
Seismic_Directivity_Maximum_Accelerations_RMS_Accelerations.pdf (1.0 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2012-03-29 | |||||
| タイトル | ||||||
| タイトル | 最大加速度・rms加速度の方位依存性: ランダム位相の短周期地震波 | |||||
| 言語 | ja | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| その他（別言語等）のタイトル | ||||||
| その他のタイトル | Seismic Directivity on Maximum Accelerations and RMS Accelerations | |||||
| 著者 |
小山, 順二
× 小山, 順二× 泉谷, 恭男 |
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| 信州大学研究者総覧へのリンク | ||||||
| 表示名 | 泉谷, 恭男 | |||||
| URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.HFSpZVkh.html | |||||
| 出版者 | ||||||
| 出版者 | 日本地震学会 | |||||
| 引用 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 地震 第2輯. 41(1):79-87 (1988) | |||||
| 書誌情報 |
地震 第2輯 巻 41, 号 1, p. 79-87, 発行日 1988-03-25 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Azimuth dependence of strong motion amplitudes has been studied. The component waves of short period strong motion are characterized to be random phases, since they are generated by random fractures of small-scale fault heterogeneities (fault patches) and propagating real media through multiple reflection, refraction and scattering. Such the waves donot show coherent azimuth dependence like as one due to a point source radiation pattern. However, they show short period seismic directivity effect. The effect comes from azimuthal variation of energy radiation due to the finite-moving source. Azimuth dependence of maximum acceleration and rms acceleration has been derived for a unilateral faulting as α·(mLr2)1/2(c/v-cos θ)-1/2 where α denotes the whole path attenuation, m is a number density of fault patches per unit fault area, L is fault length, and r2 is the average seismic energy radiated from one fault patch. c and v stand for the velocity of shear waves and average rupture propagation, and θ is station azimuth measured from the direction of the rupture propagation. Strong motion accelerations due to the 1968 Tokachi-oki earthquake and the 1983 Japan Sea earthquake do show such the azimuth dependence for maximum and rms accelerations. | |||||
| 資源タイプ（コンテンツの種類） | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | Article | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0037-1114 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00305741 | |||||
| 出版タイプ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
