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Title:
ESTIMATION METHOD OF LAYER STRUCTURE, AND ANALYSIS DEVICE FOR ANALYZING LAYER STRUCTURE
Document Type and Number:
Japanese Patent JP2006337191
Kind Code:
A
Abstract:

To improve the accuracy of solution by reverse analysis, and to estimate a layer structure with a high accuracy.

In the estimation method of the layer structure, the horizontal/vertical spectrum ratio is calculated based on observation data of the horizontal component and vertical component at an earthquake observation point. Then, target data based on the absolute value of the horizontal/vertical spectrum ratio and the phase is set. The layer structure at the earthquake observation point is set as an unknown quantity, the unknown quantity is determined by the reverse analysis based on the target data, and the layer structure at the earthquake observation point is estimated.


Inventors:
HIJIKATA KATSUICHIRO
UETAKE TOMIICHI
KOBAYASHI KIKUJI
Application Number:
JP2005162666A
Publication Date:
December 14, 2006
Filing Date:
June 02, 2005
Export Citation:
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Assignee:
TOKYO ELECTRIC POWER CO
International Classes:
G01V1/00; E02D1/02
Domestic Patent References:
JPH0915343A1997-01-17
JPH0365687A1991-03-20
JP2001311781A2001-11-09
JPH0915343A1997-01-17
JPH0365687A1991-03-20
JP2001311781A2001-11-09
Other References:
JPN6010012258, 小林喜久二, 植竹富一, 真下貢, 小林啓美, "地震動初期微動部の水平/上下スペクトル振幅比の逆解析による深部地盤構造の推定法", 地震動初期微動部の水平/上下スペクトル振幅比の逆解析による深部地盤構造の推定法, 199811, Vol.10th, 第1分冊, Page.1083−1088, JP
JPN6010012260, 小林喜久二, 植竹富一, 真下貢, 小林啓美, "地震動初期微動部の水平/上下スペクトル振幅比の逆解析による深部地盤構造の推定", 日本建築学会学術講演梗概集B−2 構造2, Vol.2000, Page.233−234, JP
JPN6010012264, Masanori Horike, "INVERSION OF PHASE VELOCITY OF LONG−PERIOD MICROTREMORS TO THE S−WAVE−VELOCITY STRUCTURE DOWN TO THE", JOURNAL OF PHYSICS OF THE EARTH, 1985, 33(2), 59〜96頁
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation