Column base joint structure

摘要

Provided is a column base joint structure in which an anchor bolt and a column can be tightly joined to each other easily by using hardware pieces for tight joining which are embedded respectively in the column and a groundsel, even in a state where 5 an underfloor panel is provisionally laid on the upper face of the groundsel. In a column base joint structure (10), an anchor bolt (31) and a column (33) installed upright on a groundsel (32) are tightly joined to each other by using a groundsel-side hardware piece (11) and a column-side hardware piece (12). The groundsel-side hardware piece (11) includes a groundsel-embedded portion (14) and an upper fitting tenon portion 10 (15). A fitting hole (33b) for the upper fitting tenon portion (15) of the groundsel-side hardware piece (11) is formed in a base portion (33a) of the column (33). The column-side hardware piece (12) includes a lower projecting portion (16) projecting downward from a top face portion (33c) to the inside of the fitting hole (33b), and a column-embedded portion (17) positioned above the top face portion (33c). A pin 15 locking hole (15a) in the upper fitting tenon portion (15) of the groundsel-side hardware piece (11) and a pin locking hole (16a) in the lower projecting portion (16) of the column-side hardware piece (12) are aligned with each other, a driftpin is hammered into the aligned pin locking holes, and the anchor bolt (31) and the column (33) are thereby tightly joined to each other. Fig. 1 17a 33f Aj24 4 24 -.-- >-.17a 33d- --17 1 22 -- ------ 33a- 1 33b -t -18 36 I-- 15(16a) 36 32b (---------16 - 35b /32d -- --- 32b, 25a _ -2 37 / 32a> 32e 20c 2 20 ~ 30a