Joint structure and joint method for precast beam member

Abstract

To provide a joint structure of a precast beam member for improving working efficiency in construction, by reducing cost, while satisfying yield strength (strength) of a joint part.SOLUTION: In this joint structure 1A, a reinforcing member 9 having a cross-sectional area of a predetermined value or more and extending in a direction orthogonal to respective loop reinforcing bars 8, 8 is arranged inside a space 11 having a substantially circular shape in a side view in which the respective loop reinforcing bars 8, 8 projected from a longitudinal end face of one of precast beams 3 and the respective loop reinforcing bars 8, 8 projected from a longitudinal end face of the other of the precast beams 3 overlap each other. This allows the strength of the joint section 1A to be increased, the diameters of the loop reinforcing bars 8 can be reduced, and as a result, distances among the end faces of the precast beams 3 and the end faces of the other precast beams 3 can be shortened, the placing quantity of cast-in-place concrete can be reduced, and costs can be reduced.SELECTED DRAWING: Figure 3

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