CONSTRUCTION METHOD FOR FIRE RESISTANT STRUCTURE OF PENETRATION PART IN COMPARTMENT BODY OF BUILDING

To provide a construction method for a fire resistant structure of a penetration part capable of easily filling a through-hole with a fire-resistant resin composition.SOLUTION: A construction method for a fire resistant structure of a penetration part in a compartment body of a building, including a...

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Hauptverfasser: NAKAJIMA HIDEYASU, MAKITA YASUKAZU
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a construction method for a fire resistant structure of a penetration part capable of easily filling a through-hole with a fire-resistant resin composition.SOLUTION: A construction method for a fire resistant structure of a penetration part in a compartment body of a building, including a through-hole 2 into which a pipe or a cable 4 is inserted includes: a surrounding process for surrounding an outer periphery of the pipe or cable 4 with a foam 5 consisting of a fire-resistant resin composition including thermally expandable graphite outside the through-hole 2; and a moving process for moving the foam 5 surrounding the pipe or cable 4 inside the through-hole 2.SELECTED DRAWING: Figure 1 【課題】容易に貫通孔を耐火樹脂組成物で充填することができる貫通部の耐火構造の施工方法を提供する。【解決手段】配管又はケーブル4が挿通された貫通孔2を有する、建築物の区画体における貫通部の耐火構造の施工方法は、前記貫通孔2の外側において、熱膨張性黒鉛を含む耐火樹脂組成物からなる発泡体5によって、前記配管又はケーブル4の外周を包囲する包囲工程と、前記配管又はケーブル4を包囲した発泡体5を前記貫通孔2内に移動させる移動工程と、を有することを特徴とする。【選択図】図1