Antenna bar for rebar cage, and rebar cage equipped with this

摘要

PROBLEM TO BE SOLVED: To provide an antenna bar capable of preventing eccentricity of a reinforcing bar cage installed in a pile hole with higher accuracy, and a reinforcing bar cage provided with the antenna bar. SOLUTION: An antenna bar 10 for a reinforcing bar cage is composed of a main body member 12 and a contact member 14 attached to an end portion of the main body member 12 and having a contact surface for contacting an inner wall surface of a pile hole. .. The main body member 12 preferably has a linear first portion 16 and a second portion 18 extending from the tip of the first portion 16 at a predetermined angle with respect to the central axis of the first portion 16. Further, the contact surface of the contact member 14 is preferably parallel to the central axis of the first portion 16. [Selection diagram] Fig. 1