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Dive into the research topics where Noboru Yasui is active.

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Featured researches published by Noboru Yasui.


Fire Safety Science | 1994

Upward Flame Spread along a Vertical Solid for Transient Local Heat Release Rate

Yuji Hasemi; Masashi Yoshida; Noboru Yasui; William Parker

Theoretical and experimental analysis of turbulent upward flame spread along a vertical solid is presented A conventional flame spread model based on a linearized flame height approximation is generalized to incorporate burnout effects. The model is verified against full-scale flame spread tests using material heat release data obtained from intermediate-scale tests in which the time history of surface heat flux during the flame spread tests was reproduced.


Fire Technology | 2002

Fire Safety Performance of Japanese Traditional Wood/Soil Walls and Implications for the Restoration of Historic Buildings in Urban Districts

Yuji Hasemi; Noboru Yasui; Michitaka Akizuki; Koichi Kinoshita; Koichi Yamamoto; Masatomo Yoshida; Yoshihide Tamura; Mariko Takeda

Grass-root research activities to clarify fire safety performance of Japanese traditional wooden construction are introduced. The activities aim to resolve conflict between the restoration of historic buildings and the reduction of risk and hazard of urban fires. Among various activities, scope and results of fire resistance tests on traditional soil wall assemblies supported by timber frame are reported in detail. The test results indicate an encouraging prospect for the rational fire safety assessment of historic buildings and further development of fire-safe traditional constructions for the restoration of historic buildings and historic urban districts.


Journal of Structural and Construction Engineering (transactions of Aij) | 2014

INFLUENCE OF FIRE EXPOSURE ON THE MECHANICAL PROPERTIES OF WOOD

Chihiro Kaku; Yuji Hasemi; Noboru Yasui; Mizuho Yasukawa; Daisuke Kamikawa; Naohisa Kameyama; Tetsuro Ono; Mikio Koshihara; Hirofumi Nagao

本論文の実験の骨子及び結果の一部(ケヤキ)については,文献18)で口頭発表した。 *1 早稲田大学大学院 Graduate School, Waseda Univ. *2 早稲田大学理工学術院 教授・工博 Prof., Department of Architecture, Waseda Univ., Ph. D. *3 早稲田大学理工学研究所 招聘研究員・博士(工学) Visiting Researcher, RISE, Waseda Univ., Ph. D. *4 東京都庁 工修 Tokyo Metropolitan Government, M. Eng. (当時 早稲田大学大学院) (Former Waseda Univ.) *5 独立行政法人森林総合研究所 博士(工学) Forestry and Forest Products Research Institute, Ph. D. *6 亀山建設(株) 代表取締役社長・工修 President, Kameyama Construction, M. Eng. *7 椙山女学園大学 教授・工博 Prof., Sugiyama Jogakuen Univ., Ph. D. *8 東京大学生産技術研究所 教授・博士(工学) Prof., Institute of Industrial Science, The University of Tokyo, Ph. D. *9 独立行政法人森林総合研究所 Forestry and Forest Products Research Institute


Archive | 2017

Experimental Study of Time to Onset of Flashover in Classroom Size Compartment

Tomohiro Naruse; Koji Kagiya; Jun-ichi Suzuki; Noboru Yasui; Yuji Hasemi

A 3-year experimental research project, involving full-scale fire tests, was undertaken to investigate whether quasi-fire-resistive wooden building with supplemental fire safety measures, if necessary, could reach the equivalent level of the fire-resistive building, especially for safe egress of occupants. Flashover is one of the most important phenomena, relating to safe egress of the occupants. In this paper, the results of five types of fire tests are reported to investigate the effects of wood interior finish and loaded combustibles within the compartment with a floor area of 63 m2 and 150 m2, on the time to onset of flashover.


Fire Science and Technology | 1995

A Strategy to Develop Engineering Upward Flame-Spread Evaluation Methodology Based on the Linearized Flame Height Approximation

Yuji Hasemi; Noboru Yasui


Journal of Environmental Engineering (transactions of Aij) | 2003

INFULUENCES OF CONSTRUCTION DETAILS ON THE FIRE RESISTANCE OF TRADITIONAL WOOD/SOIL WALLS

Noboru Yasui; Yuji Hasemi; Michitaka Akizuki; Atsushi Umayahara; Suguru Ohnishi; Motohide Kamijima; Toshimitsu Hata; Tadanori Kimura; Yoshihide Tamura; Hiroshi Murakami


Journal of Environmental Engineering (transactions of Aij) | 2003

PREDICTION AND DESIGN OF MECHANICAL FIRE RESISTANCE OF JAPANESE TRADITIONAL WOOD/SOIL WALLS BY COMPRESSION TESTS OF WOOD POSTS

Noboru Yasui; Mariko Shimizu; Yuji Hasemi; Masahide Murakmai; Motohide Kamijima; Tadanori Kimura; Akihiko Hokugo; Yoshihide Tamura; Masatomo Yoshida; Koichi Yamamoto


Aij Journal of Technology and Design | 2014

FIREBRAND DEPOSITION AND MEASUREMENTS OF COLLECTED FIREBRANDS GENERATED AND TRANSPORTED FROM A FULL-SCALE BURN TEST USING A LARGE WOODEN BUILDING

Yoshihiko Hayashi; Takahiro Hebiishi; Junichi Izumi; Tomohiro Naruse; Naoyuki Itagaki; Takashi Hashimoto; Noboru Yasui; Yuji Hasemi


Aij Journal of Technology and Design | 2008

Reducibility of post-earthquake urban fire hazard in woodden densely inhabited districts by seismic & fire-resistive reinforcement of low-rise wooden buildings

Yuko Kawagoe; Yuji Hasemi; Hidemi Kamiya; Seiji Kobata; Noboru Yasui; Takahiro Sakata; Hiroki Nagamori; Masahide Murakami


World Conference on Timber Engineering: Renaissance of Timber Construction, WCTE 2014 | 2014

Full-scale fire tests of 3-storey wooden school building

Yuji Hasemi; Noboru Yasui; Naoyuki Itagaki; Jun’ichi Izumi; Tatsuro Osaka; Teruhiko Kaku; Tomohiro Naruse; Ichiro Hagiwara; Koji Kagiya; Jun-ichi Suzuki; Kotofumi Kato

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Jun-ichi Suzuki

Tokyo University of Science

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Naoyuki Itagaki

Akita Prefectural University

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Ichiro Hagiwara

Tokyo University of Science

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Tetsuro Ono

Sugiyama Jogakuen University

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Hiroyuki Hirai

Tokyo University of Science

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