日本建築学会技術報告集
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
防火
高力ボルトで一体化した鋼木複合断面部材の準耐火性能評価実験
遠藤 俊貴高木 次郎鈴木 淳一大宮 喜文野秋 政希見波 進荒木 慶一下錦田 聡志
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2011 年 17 巻 36 号 p. 543-547

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Although timber is a combustible material, the char layers created on the surface during fires prevent further burning of the inner sections. Taking advantage of this feature, steel-timber composite (a steel plate sandwiched with timber using high strength bolts) section members were developed, expecting steel alone to take the load under fires. In this research, their 45-minute quasi-fire resistive performance was experimentally evaluated applying the standard time-temperature relationships. In the composite sections, the connecting bolts are exposed, which is not influential to the temperature elevation of the steel. The test parameters in the multiple test specimens were the section sizes as well as exposure of the side surface of the steel plates. The maximum steel temperatures in most specimens were below 350 Celsius.

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© 2011 日本建築学会
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