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Institution

Shimizu Corporation

CompanyTokyo, Japan
About: Shimizu Corporation is a company organization based out in Tokyo, Japan. It is known for research contribution in the topics: Neutron & Wind tunnel. The organization has 804 authors who have published 1064 publications receiving 17397 citations. The organization is also known as: Shimizu Kensetsu Kabushiki-gaisha & Shimzu.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the authors present guidelines for using computational fluid dynamics (CFD) techniques for predicting pedestrian wind environment around buildings in the design stage, based on cross-comparison between CFD predictions, wind tunnel test results and field measurements.

1,619 citations

Journal ArticleDOI
TL;DR: In this paper, a working group was organized by the Architectural Institute of Japan (AIG) to make a guideline for CFD prediction of the wind environment, and various comparative studies were carried out as follows.

383 citations

Journal ArticleDOI
TL;DR: In this paper, a database of whole Japanese strong ground motion records between 1963 and 2003 is established in order to identify a new standard attenuation relation for Japan, for response acceleration as well as peak value.
Abstract: Following the 1995 Hyogo-ken Nanbu Kobe. Earthquake, the Japanese government, in an effort to prevent future earthquake disasters, installed networks consisting of a large number of strong-motion observation stations. Further, national seismic hazard maps were made available to the public on an Internet website in March 2005 by the Headquarters for Earthquake Research Promotion. However, these maps indicate only the local seismic intensity for Japan, as empirically con- verted from predicted peak velocity in consolidated soils. For various applications, other strong-motion indexes such as the response spectral acceleration are required. In this study, a database of whole Japanese strong ground motion records between 1963 and 2003 is established in order to identify a new standard attenuation relation for Japan, for response acceleration as well as peak value. It is usually very difficult to determine a suitable model form due to the large variability of strong-motion data and correlation among the model variables, because the strong coupling of variables in an attenuation model, and the statistical power of the data is often not large enough to determine the necessity of these parameters. Therefore, in this study, our model has only three variables: earthquake magnitude, shortest distance to the seismic fault plane, and focal depth. To improve predictions given by the model, site correction terms are adopted and additional terms for correcting regional anomalous seismic intensity with respect to the base model are determined. The good fit between the model and observed strong-motion records suggests that the new model is reasonably robust.

336 citations

Journal ArticleDOI
TL;DR: In this paper, the authors investigated the responses of two types of soft basins for incident SH, SV, P, and Rayleigh waves in a 2D elastic half-space with special reference to the long duration of strong motions observed in Mexico City during the Michoacan, Mexico, earthquake of 1985.
Abstract: The responses of two types of soft basins for incident SH, SV, P , and Rayleigh waves in a 2-D elastic half-space are investigated with special reference to the long duration of strong motions observed in Mexico City during the Michoacan, Mexico, earthquake of 1985. First, the difficulty for simple 1-D models to reproduce the later part of the accelerogram observed in Mexico City is shown. Then the effect of a 2-D deep basin structure of a relatively large scale (10 km wide and 1 km deep) and a moderate impedance ratio (2.5) is studied. The results show that surface waves generated at the edges of the basin are clearly propagating inside the basin back and forth. However, the increase in duration by these surface waves is 20 sec at most. Introducing another much softer layer inside the basin, we found that the calculated durations and envelop shapes become very similar to the observed ones because of the slowness of surface-wave propagation. These theoretical studies suggest that the exceptionally long duration observed in Mexico City might be caused by a strong, constructive interaction of soft-surface layers with a deep basin structure beneath the city.

302 citations

Journal ArticleDOI
TL;DR: In this article, heat flux at the air/ground interface was observed and analyzed for various pavement materials on summer days, and the surface temperature, heat storage and its subsequent emission to the atmosphere were significantly greater for asphalt than for concrete or bare soil.

285 citations


Authors

Showing all 806 results

NameH-indexPapersCitations
Victor C. Li9549830071
Antoine E. Naaman5221211901
Jerome P. Lynch453118824
Kozo Fujii394115845
Fumio Yamazaki363335344
Sylwia Mozia331003310
James K. Wight30762313
Hiroaki Ueda30813086
Takashi Nakamura241431781
James M. LaFave241041729
Akira Mita212221676
Yoshimitsu Fukushima20362380
Masaki Takahashi203111846
Hiroshi Kawase19602121
Hiroyuki Fujiwara191222514
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20231
20225
202138
202037
201928
201840