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FIREPROOF STRUCTURAL MEMBER
To provide a fireproof structural member of small diameter that is excellent at fire resistance.SOLUTION: A fireproof structural member 1 includes: a load-bearing pillar 10; a first fireproof coating layer 30 provided on an outer peripheral surface of the pillar 10; and a second fireproof coating layer 40 provided on an outer peripheral surface of the first fireproof coating layer 30. The second fireproof coating layer 40 has a smaller thermal conductivity than the first fireproof coating layer 30. According to the present invention, in the event of fire the second fireproof coating layer 40 having a low thermal conductivity on the outer side reduces the heat transferred to the first fireproof coating layer 30 and the pillar 10 on the inner side, so that the diameter of the fireproof structural member 1 can be reduced.SELECTED DRAWING: Figure 1
【課題】優れた耐火性能を有する細径の耐火構造部材を提供すること。【解決手段】耐火構造部材1は、荷重を負担する柱10と、柱10の外周面に設けられた第1の耐火被覆層30と、第1の耐火被覆層30の外周面に設けられた第2の耐火被覆層40と、を備え、第2の耐火被覆層40は、第1の耐火被覆層30と比べて、熱伝導率が小さい。この発明によれば、火災時には、外側の熱伝導率の低い第2の耐火被覆層40により、内側の第1の耐火被覆層30や柱10に伝わる熱が低減するので、耐火構造部材1を細径化できる。【選択図】図1
FIREPROOF STRUCTURAL MEMBER
To provide a fireproof structural member of small diameter that is excellent at fire resistance.SOLUTION: A fireproof structural member 1 includes: a load-bearing pillar 10; a first fireproof coating layer 30 provided on an outer peripheral surface of the pillar 10; and a second fireproof coating layer 40 provided on an outer peripheral surface of the first fireproof coating layer 30. The second fireproof coating layer 40 has a smaller thermal conductivity than the first fireproof coating layer 30. According to the present invention, in the event of fire the second fireproof coating layer 40 having a low thermal conductivity on the outer side reduces the heat transferred to the first fireproof coating layer 30 and the pillar 10 on the inner side, so that the diameter of the fireproof structural member 1 can be reduced.SELECTED DRAWING: Figure 1
【課題】優れた耐火性能を有する細径の耐火構造部材を提供すること。【解決手段】耐火構造部材1は、荷重を負担する柱10と、柱10の外周面に設けられた第1の耐火被覆層30と、第1の耐火被覆層30の外周面に設けられた第2の耐火被覆層40と、を備え、第2の耐火被覆層40は、第1の耐火被覆層30と比べて、熱伝導率が小さい。この発明によれば、火災時には、外側の熱伝導率の低い第2の耐火被覆層40により、内側の第1の耐火被覆層30や柱10に伝わる熱が低減するので、耐火構造部材1を細径化できる。【選択図】図1
FIREPROOF STRUCTURAL MEMBER
耐火構造部材
IKEHATA YUKA (Autor:in) / SUZUKI TATSURO (Autor:in) / BABA SHIGEAKI (Autor:in) / MICHIKOSHI SHINTARO (Autor:in)
05.11.2020
Patent
Elektronische Ressource
Japanisch
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
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