大型書店の収納可燃物特性とその簡易調査法

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Investigation of the properties of live fire load is conducted on large book stores from the interest on performance based fire safety design. The study focuses not only the report of fire load, surface area to mass ratio but also development of a simplified site investigation methodology of fire load of book stores where extreme difficulty is anticipated for the few yearly holidays available for such investigation. In this report, the characteristics of live fire load were grasped for fire safety design of large book stores and a methodology for the measurement of fire load was developed to reduce the effort of investigation. This proposed method was essentially developed from the distinction of the characteristics of live fire load like the arrangement and shape of book cases. The results reveal that the fire load is highly dependent on the height and material of bookcases. This paper also indicates that the prescribed total heat release for book store in building code standards of Japan, 960MJ/m^2, is not on the dangerous side estimation because the investigation has resulted in total heat release over twice larger, and the surface area per unit weight ratio is smaller than 1/4 the previous reports on other occupancies. These suggest that a fire in a large book store may proceed generally notably more slowly and last longer than in other building occupancies if not extinguished. The proposed simplified investigation method is found to reduce manpower necessary for the site investigation by 80% and enable site investigation in short time before or after the business hours.
社団法人日本建築学会の論文
2007-03-30

大型書店の収納可燃物特性とその簡易調査法

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