A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FIRE PROOF STRUCTURE OF THROUGH HOLE, AND FIRE PROOF MATERIAL ASSEMBLY
To provide a fire proof structure of a through hole and a fire proof material assembly suitable for a through hole which a long object assembly penetrates.SOLUTION: A fire proof structure of a through hole is provided in a through hole H formed in a wall W or a floor positioned at a boundary of a building fire proof compartment and prevents fire between two building fire proof compartments separated by the wall or the floor. In the through hole H, a long object assembly L in which a plurality of long objects L0 to L0 are assembled to be adjacent penetrates. The fire proof structure of a through hole 1 comprises: an inside fire proof material 11 being in contact with the long object assembly L and expanding by heat in a fire inside the through hole H; and an outside fire proof material 12 positioned separated from the inside fire proof material 11 radially outwardly and expanding by heat in a fire inside the through hole H; and a support material 13 positioned between the inside fire proof material 11 and the outside fire proof material 12, keeping a shape at least at a time point of start of expansion of the inside fire proof material 11 in fire, and then disappearing or reducing by heat in a fire.SELECTED DRAWING: Figure 2
【課題】長尺物集合体が貫通する貫通穴に適した貫通穴防火構造及び耐火材集合体を提供する。【解決手段】建物防火区画の境界に位置する壁Ｗまたは床に形成された貫通穴Ｈに設けられ、当該壁または床により隔てられた二つの建物防火区画間を防火する貫通穴防火構造であり、前記貫通穴Ｈには、複数の長尺物Ｌ０〜Ｌ０が隣接して集合した長尺物集合体Ｌが貫通しており、前記貫通穴Ｈの内部において、前記長尺物集合体Ｌに当接し、火災時の熱により膨張する内側耐火材１１と、前記貫通穴Ｈの内部において、前記内側耐火材１１から径外方向に離れて位置し、火災時の熱により膨張する外側耐火材１２と、前記内側耐火材１１と前記外側耐火材１２との間に位置し、火災時に少なくとも前記内側耐火材１１の膨張開始の時点では形状を保っており、その後、火災時の熱によって消滅または縮小する支持材１３と、を備えた、貫通穴防火構造１である。【選択図】図２
FIRE PROOF STRUCTURE OF THROUGH HOLE, AND FIRE PROOF MATERIAL ASSEMBLY
To provide a fire proof structure of a through hole and a fire proof material assembly suitable for a through hole which a long object assembly penetrates.SOLUTION: A fire proof structure of a through hole is provided in a through hole H formed in a wall W or a floor positioned at a boundary of a building fire proof compartment and prevents fire between two building fire proof compartments separated by the wall or the floor. In the through hole H, a long object assembly L in which a plurality of long objects L0 to L0 are assembled to be adjacent penetrates. The fire proof structure of a through hole 1 comprises: an inside fire proof material 11 being in contact with the long object assembly L and expanding by heat in a fire inside the through hole H; and an outside fire proof material 12 positioned separated from the inside fire proof material 11 radially outwardly and expanding by heat in a fire inside the through hole H; and a support material 13 positioned between the inside fire proof material 11 and the outside fire proof material 12, keeping a shape at least at a time point of start of expansion of the inside fire proof material 11 in fire, and then disappearing or reducing by heat in a fire.SELECTED DRAWING: Figure 2
【課題】長尺物集合体が貫通する貫通穴に適した貫通穴防火構造及び耐火材集合体を提供する。【解決手段】建物防火区画の境界に位置する壁Ｗまたは床に形成された貫通穴Ｈに設けられ、当該壁または床により隔てられた二つの建物防火区画間を防火する貫通穴防火構造であり、前記貫通穴Ｈには、複数の長尺物Ｌ０〜Ｌ０が隣接して集合した長尺物集合体Ｌが貫通しており、前記貫通穴Ｈの内部において、前記長尺物集合体Ｌに当接し、火災時の熱により膨張する内側耐火材１１と、前記貫通穴Ｈの内部において、前記内側耐火材１１から径外方向に離れて位置し、火災時の熱により膨張する外側耐火材１２と、前記内側耐火材１１と前記外側耐火材１２との間に位置し、火災時に少なくとも前記内側耐火材１１の膨張開始の時点では形状を保っており、その後、火災時の熱によって消滅または縮小する支持材１３と、を備えた、貫通穴防火構造１である。【選択図】図２
FIRE PROOF STRUCTURE OF THROUGH HOLE, AND FIRE PROOF MATERIAL ASSEMBLY
貫通穴防火構造及び耐火材集合体
TATSUTA YOSHIAKI (author)
2020-11-12
Patent
Electronic Resource
Japanese
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
F16L
PIPES
,
Rohre
/
H02G
INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
,
Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen