CONNECTION STRUCTURE OF COLUMN JOINT MEMBER, AND CONSTRUCTION METHOD OF COLUMN JOINT MEMBER: Fid-Bau Portal

CONNECTION STRUCTURE OF COLUMN JOINT MEMBER, AND CONSTRUCTION METHOD OF COLUMN JOINT MEMBER

KOBAYASHI FUKO / TSUSHI TAKUMI / KUROKAWA YUTA / YAMASHITA SHINGO

To simplify structure of a column head of a lower concrete column in connection structure between the lower concrete column and a precast joint member.SOLUTION: The connection structure of a column joint member comprises: a lower precast column 10 in which a column main reinforcement 12 protrudes upward from a column head without being connected to a mechanical joint at the column head; a precast joint member 50 having a through hole through which the column main reinforcement 12 passes and placed on the column head of the lower precast column 10; a mechanical anchor 16 provided on an upper end of the column main reinforcement 12 passing through the through hole; and cast-in-place concrete C which is provided at least around the mechanical anchor 16 and in which the mechanical anchor 16 is embedded.SELECTED DRAWING: Figure 3

【課題】下側コンクリート柱とプレキャスト仕口部材との接合構造において、下側コンクリート柱の柱頭部の構造を単純化することを目的とする。【解決手段】柱仕口部材の接合構造は、柱主筋１２が、柱頭部にて機械式継手に接続されずに柱頭部から上方へ突出された下側プレキャスト柱１０と、柱主筋１２が貫通された貫通孔を有し、下側プレキャスト柱１０の柱頭部に載置されたプレキャスト仕口部材５０と、貫通孔を貫通する柱主筋１２の上端部に設けられた機械式定着１６と、少なくとも機械式定着１６の周囲に設けられ、機械式定着１６が埋設される現場打ちコンクリートＣと、を備える。【選択図】図３

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