Zobrazeno 1 - 10 of 71 pro vyhledávání: '"Kazuhiko Ohta"'
4
DEVELOPMENT OF A SIMPLE SYSTEM OF SEISMIC DIAGNOSIS USING POTABLE WIRELESS ACCELEROMETER AND IMPACT FORCE
Autor: Suenori Arinaga, Shinya Matsumoto, Eiji Motokawa, Takaaki Ohkubo, Daiji Fujii, Kazuhiko Ohta
Publikováno v: AIJ Journal of Technology and Design. 16:1187-1192
In this study, a simple system of seismic diagnosis is developed. In this system, potable accelerometer and impact force are used. The potable accelerometer was developed by Matsuura and Ohkubo. It is possible to measure vibration easily, because it
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dabbfc317b3a0a503cb6a79c60058afe
https://doi.org/10.3130/aijt.16.1187
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5
EXPERIMENTAL STUDY ON THE LOAD-DEFLECTION PROPERTIES OF RESTRAINED ONE-WAY COMPOSITE SLABS
Autor: Kazuhiko Ohta, Tsuyoshi Morimura, Mari Ohiro, Suenori Arinaga
Publikováno v: Journal of Structural and Construction Engineering (Transactions of AIJ). 74:907-914
In this report we described on obtaining the load-deflection curve of the restrained one way composite slabs and compared the curve of calculated results with the curve of experimental values, then investigated.As a result, the curve of a calculation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b54a99d0f9f1da9ff51089b73962b22
https://doi.org/10.3130/aijs.74.907
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6
BOND CHARACTERISTIC BETWEEN FLAT BAR AND CONCRETE IN EXPANSIVE-CONCRETE-FILLED-STEEL-TUBE WITH FLAT BAR IN CENTER UNDER TENSION LOAD
Autor: Kazuhiko Ohta
Publikováno v: Journal of Structural and Construction Engineering (Transactions of AIJ). 73:2253-2261
This study is on the bond characteristic between a flat bar and a concrete in the expansive concrete filled steel tube with the flat bar in center. This tube is used for the brace member of the energy dissipative braced frame. To obtain the bond char
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1369733db2cbd6846a294370f5b07b47
https://doi.org/10.3130/aijs.73.2253
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7
Estimation of sea surface and bottom scattering strengths from measured and modeled reverberation levels
Autor: Kazuhiko Ohta, Hisayuki Kanda, Masamichi Oikawa, Itaru Morishita, Kouki Okabe
Publikováno v: Acoustical Science and Technology. 28:375-384
A measurement of low-frequency reverberation was conducted in order to investigate features of sea surface and bottom scatterings in shallow water, where it is generally difficult to acquire sea surface and bottom reverberations separately. In the me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8eec0914130ad31f920cc64942b9ab1
https://doi.org/10.1250/ast.28.375
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9
Inversion for seabed geoacoustic properties in shallow water experiments
Autor: Itaru Morishita, Shunji Ozaki, Kouki Okabe, Kazuhiko Ohta, George V. Frisk
Publikováno v: Acoustical Science and Technology. 26:326-337
Low frequency sound propagation features and bottom sediment properties in shallow water were studied in the Shallow Water Acoustic Technology (SWAT) experiments conducted in the East China Sea. In these experiments, a hydraulic-type acoustic source
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc2fd047da2d38c5d89173e9f888f484
https://doi.org/10.1250/ast.26.326
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