FIRE RESISTIVE COVERING STRUCTURE AND BUILDING USING THE SAME: Fid-Bau Portal

FIRE RESISTIVE COVERING STRUCTURE AND BUILDING USING THE SAME

HIROTA MASAYUKI

PROBLEM TO BE SOLVED: To provide a fire resistive covering structure, which can prevent thermal damage on a main member even if the main member with low thermal conductivity is covered by a fire resistive covering material with low thermal conductivity, and a building using the fire resistive covering structure.SOLUTION: A thermal diffusion material 3 is disposed between a main member 1 and a fire resistive covering material 2 that covers the main member 1, and the main member 1 and the thermal diffusion material 3 are tightly connected. The thermal diffusion material 3 and the fire resistive covering material 2 are preferably disposed at an exposed part of the main member 1. The thermal diffusion material 3 is made of a material like metal that has higher heat conductivity than that of the main member 1 and the fire resistive covering material 2.SELECTED DRAWING: Figure 1

【課題】熱伝導性の低い主要部材を、熱伝導性が低い耐火被覆材で覆う場合であっても主要部材の熱的損傷を抑えることができる耐火被覆構造及びこれを用いた建物を提供すること。【解決手段】主要部材１と、主要部材１を覆う耐火被覆材２との間に、熱拡散材３を介在させ、主要部材１と熱拡散材３とを密着接合する。熱拡散材３及び耐火被覆材２は、主要部材１の露出部分に設けられることが好ましい。また、熱拡散材３は、主要部材１及び耐火被覆材２に比して熱伝導率が高く、例えば金属である。【選択図】図１

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