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REINFORCEMENT STRUCTURE OF STEEL PERFORATED BEAM
To improve the fire resistance of a reinforcement plate while reinforcing a steel beam with the reinforcement plate.SOLUTION: The reinforcement structure of a steel perforated beam includes: a web 12 in which a through hole 20 is formed; a steel beam 10 that has a lower flange 16 and an upper flange 14 provided to the ends of the web 12; an upper reinforcement plate 30U that is placed closer to the upper flange 14 than the through-hole 20 and joined to the web 12 and the upper flange 14, and which forms a closed section 40 along with the web 12 and the upper flange 14; a lower reinforcement plate 30 L that is placed closer to the lower flange 16 than the through-hole 20 and joined to the web 12 and the lower flange 16, and which forms the closed section 40 along with the web 12 and the lower flange 16; and a cover member 50 that covers an opening 40A of the closed section 40 at ends 30E of the upper reinforcement plate 30U and the lower reinforcement plate 30 L.SELECTED DRAWING: Figure 1
【課題】補強プレートによって鉄骨梁を補強しつつ、補強プレートの耐火性能を向上することを目的とする。【解決手段】鉄骨有孔梁の補強構造は、貫通孔２０が形成されたウェブ１２と、ウェブ１２の端部に設けられた下フランジ１６及び上フランジ１４と、を有する鉄骨梁１０と、貫通孔２０よりも上フランジ１４側に配置され、ウェブ１２及び上フランジ１４に接合されるとともに、ウェブ１２及び上フランジ１４とで閉断面４０を形成する上補強プレート３０Ｕと、貫通孔２０よりも下フランジ１６側に配置され、ウェブ１２及び下フランジ１６に接合されるとともに、ウェブ１２及び下フランジ１６とで閉断面４０を形成する下補強プレート３０Ｌと、上補強プレート３０Ｕ及び下補強プレート３０Ｌの端部３０Ｅにおいて閉断面４０の開口４０Ａを塞ぐ蓋部材５０と、を備える。【選択図】図１
REINFORCEMENT STRUCTURE OF STEEL PERFORATED BEAM
To improve the fire resistance of a reinforcement plate while reinforcing a steel beam with the reinforcement plate.SOLUTION: The reinforcement structure of a steel perforated beam includes: a web 12 in which a through hole 20 is formed; a steel beam 10 that has a lower flange 16 and an upper flange 14 provided to the ends of the web 12; an upper reinforcement plate 30U that is placed closer to the upper flange 14 than the through-hole 20 and joined to the web 12 and the upper flange 14, and which forms a closed section 40 along with the web 12 and the upper flange 14; a lower reinforcement plate 30 L that is placed closer to the lower flange 16 than the through-hole 20 and joined to the web 12 and the lower flange 16, and which forms the closed section 40 along with the web 12 and the lower flange 16; and a cover member 50 that covers an opening 40A of the closed section 40 at ends 30E of the upper reinforcement plate 30U and the lower reinforcement plate 30 L.SELECTED DRAWING: Figure 1
【課題】補強プレートによって鉄骨梁を補強しつつ、補強プレートの耐火性能を向上することを目的とする。【解決手段】鉄骨有孔梁の補強構造は、貫通孔２０が形成されたウェブ１２と、ウェブ１２の端部に設けられた下フランジ１６及び上フランジ１４と、を有する鉄骨梁１０と、貫通孔２０よりも上フランジ１４側に配置され、ウェブ１２及び上フランジ１４に接合されるとともに、ウェブ１２及び上フランジ１４とで閉断面４０を形成する上補強プレート３０Ｕと、貫通孔２０よりも下フランジ１６側に配置され、ウェブ１２及び下フランジ１６に接合されるとともに、ウェブ１２及び下フランジ１６とで閉断面４０を形成する下補強プレート３０Ｌと、上補強プレート３０Ｕ及び下補強プレート３０Ｌの端部３０Ｅにおいて閉断面４０の開口４０Ａを塞ぐ蓋部材５０と、を備える。【選択図】図１
REINFORCEMENT STRUCTURE OF STEEL PERFORATED BEAM
鉄骨有孔梁の補強構造
ODAJIMA NOBUYUKI (author) / USHIWATA FUMI (author) / OKAMURA SHOKO (author) / TANAKA HIDENORI (author)
2022-02-03
Patent
Electronic Resource
Japanese
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
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