Search Results 1-5 of 5

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Estimation of S-wave velocity structures in Rikuzen-Takata City, Iwate Prefecture by microtremor observations [in Japanese]

Yamamoto Hidekazu , Asada Wataru , Saito Tsuyoshi

… <p>Microtremor observations were carried out for the purpose of exploring the S-wave velocity structures in order to clarify seismic risks in Rikuzen-Takata City, Iwate Prefecture, where severe damage occurred in the 2011 off the Pacific coast of Tohoku Earthquake and the great tsunami. …

BUTSURI-TANSA(Geophysical Exploration) 72(0), 101-110, 2019

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2

Seismic interferometry analysis of short-period microtremor observed with a linear array for estimating two-dimensional shallow S-wave velocity structures -An experiment in a ground of Iwate University- [in Japanese]

Yamamoto Hidekazu , Sasaki Kyosuke , Saito Tsuyoshi

… <p>We applied seismic interferometry analysis to linear array records of microtremors observed with eleven three-component seismometers in order to aim to develop a new method for exploring shallow two dimensional S wave velocity structures using short period microtremors. …

BUTSURI-TANSA(Geophysical Exploration) 72(0), 17-24, 2019

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3

Interpretation of the integrated geophysical survey using the interpretation template based on the rock physics model: Estimation of clay content and porosity for unsaturated soils. [in Japanese]

Konishi Chisato

… <p>Integrated geophysical survey result has been used for the simple soil type classification of the river levee. … As for an another application, an interpretation method using the interpretation template based on the rock physics model is developed to estimate two dimensional profile of useful geotechnical parameters. …

BUTSURI-TANSA(Geophysical Exploration) 70(0), 56-68, 2017

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4

Two Dimensional Microtremors Suvey : Chain Array Survey Method [in Japanese]

HAYASHI Hisao , MATSUOKA Tatsuro , MIZUOCHI Yukihiro , ONO Masahiro

… The microtremor survey is a nondestructive and easy-to-use method to estimate S wave velocity structure of underground by extracting surface waves from natural microtremor. … If we could continuously grasp one-dimensional S wave velocity distribution data of underground, it becomes easy for us to study regional characteristics and continuity of the stratum. …

地盤工学会誌 = / the Japanese Geotechnical Society 58(8), 10-13, 2010-08-01

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5

Site investigation by surface-wave method and micro-tremor array measurements at central Anamizu, Ishikawa Prefecture [in Japanese]

Hayashi Koichi , Hirade Tsutomu , Iiba Masanori , Inazaki Tomio , Takahashi Hirohito

… A surface-wave method and micro-tremor array measurements have been carried out at Central Anamizu, Ishikawa Prefecture, Japan in order to investigate local site effect of earthquake motion in terms of near surface S-wave velocity model. … The investigation results show that S-wave velocity down to the depth of 20m has strong heterogeneity at the site. …

BUTSURI-TANSA(Geophysical Exploration) 61(6), 483-498, 2008

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