JUNCTION STRUCTURE AND JOINT METHOD FOR PRECAST REINFORCED CONCRETE MEMBERS: Fid-Bau Portal

JUNCTION STRUCTURE AND JOINT METHOD FOR PRECAST REINFORCED CONCRETE MEMBERS

NAKATA HIROKI / NISHIO YUGO / TADOKORO TOSHIYA

To suppress extrusion of cover concrete at a junction structure of precast members.SOLUTION: A junction structure of precast reinforced concrete members comprises: a plurality of precast members 10 that are constituting members of a beam 1; a junction portion 20; a plate member 50 composed of a bottom face portion 51 and two flank portions 52; and a plurality of through bars 60. The plate member 50 surrounds a bottom face 12 of each precast member 10a, 10b, a bottom face of the junction portion 20, and both side faces 13, 14 of each precast member 10a, 10b, and both side faces of the junction portion 20. The plurality of through bars 60 are fixed to the plate member 50, through the two flank portions 52, 53 of the plate member 50, each precast member 10a, 10b, the two flank portions 52, 53 of the plate member 50, and the junction portion 20.SELECTED DRAWING: Figure 2

【課題】プレキャスト部材の接合構造物におけるかぶりコンクリートの押し出しを抑制する。【解決手段】プレキャスト鉄筋コンクリート部材の接合構造は、梁１の構成部材である複数のプレキャスト部材１０と、接合部２０と、底面部５１と２つの側面部５２とからなる板部材５０と、複数の貫通棒６０と、を有し、板部材５０は、各プレキャスト部材１０ａ、１０ｂの下面１２と接合部２０の底面、及び、各プレキャスト部材１０ａ、１０ｂの両側面１３、１４と接合部２０の両側面の周囲を囲み、複数の貫通棒６０は、板部材５０の２つの側面部５２、５３と各プレキャスト部材１０ａ、１０ｂ、及び、板部材５０の２つの側面部５２、５３と接合部２０を貫通して板部材５０に対して固定されている。【選択図】図２

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