Beam-column junction construction method null of precast reinforced concrete

摘要

PURPOSE:To place Y-directed beams on the top of column without trouble by a method in which the lower end one-stage beam and lower end two-stage beams of Y-directed beams of two upper and lower stages are lapped crossingly on the lower end one-stage beam of X-directed beams. CONSTITUTION:A given number of lower end two-stage beams 3 are movably set on the groove bottom of X-directed beams 1, and the ends of the beams 1 are placed on the tops of precast or in-situ cast concrete columns 4 having upwardly projected column reinforcing bars 5. The ends of the Y-directed beams 1' are placed on the tops of the beams l, and the lower end two-stage beams 3' are lapped crossingly. Under the condition, the lower end two-stage beams 3 are moved by sliding and placed between the groove bottoms of the beams 1 while crossing them with the beams 3'. Since the X-directed lower end two- stage beams are moved by sliding from the groove bottoms of X-directed beams to set them by crossing with the lower end two-stage beams of the Y-directed beams, the lower end beams can be simply set in upper and lower two stages.