BASE FLOOR STRUCTURE AND CONSTRUCTION METHOD OF BASE FLOOR

摘要

To provide a base floor structure improving workability of constructing a base floor.SOLUTION: A base floor structure 10 comprises: a concrete filled steel tube column 50 filled with concrete in an inner part of a sub-structural column 52 formed with steel pipes placed in a base floor 12; a capital plate 150 connected on an outer peripheral surface 50A of the concrete filled steel tube column 50; a lib plate 160 connected on an upper surface 153 of the capital plate 150 and the outer peripheral surface 50A; and a flat slab 100 in which the rib plate 160 supported with the capital plate 150 is buried.SELECTED DRAWING: Figure 1