| 摘要 |
PROBLEM TO BE SOLVED: To provide a PC steel stranded wire connection structure with which PC strand wires can be easily connected to each other, tightened condition can be easily confirmed, free from any inconveniences such as delay in work and increase in cost. SOLUTION: In the PC steel stranded wire connection structure comprising a cylindrical coupler provided with a holding portion for tightening in the center of an outer circumference and a female screw portion in right and left inner walls, a pair of right and left chuck bodies having a male screw portion to be screwed in each female screw portion on the outer circumference of a forward cylindrical portion and a tapered fitting portion to be contracted a rear end inside the cylindrical body, and a split wedge which is fitted in the fitting portion of each chuck body to grip the PC steel strand wires on the inner wall surface, the cylindrical metal body having the high strength is interposed between the right wedge end face and the left wedge end face of each chuck body in contact with both end faces of the wedge.
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