Joining structure and method of reinforced concrete beam and steel pipe column

摘要

PROBLEM TO BE SOLVED: To suppress the cost of steel-pipe columns and ensure flexural property of reinforced-concrete beams when the reinforced-concrete beams and the steel-pipe columns are joined.SOLUTION: A structure for joining a reinforced concrete beam 10 and a steel-pipe column 20 includes: a pair of upper and lower through-diaphragms 22 which are arranged in the steel-pipe column 20 and to which main beam reinforcements 12 in the reinforced concrete beam 10 are fixed; a pair of upper and lower inner diaphragms 24 arranged in the steel-pipe column 20 to vertically interpose the pair of upper and lower through-diaphragms 22; and reinforcement ribs 40, 42 arranged between the through-diaphragms 22 and the inner diaphragms 24, and fixed to inner wall surfaces of the steel-pipe column 20 and to either the through-diaphragms 22 or the inner diaphragms 24.SELECTED DRAWING: Figure 2