TWIN WALL AND TWIN WALL STRUCTURE PRODUCED BY USING TWIN WALL

摘要

The present invention provides a twin wall which fixates a main reinforcement by penetrating a fixing unit mutually overlapped with an insertion coupling unit after a first and a second precast concrete (PC) wall are arranged on a base concrete vertically, and a plurality of fixing units are installed vertically with a main reinforcement inserted in the first and the second PC wall, as well as, a construction method of a twin wall structure produced by using the twin wall.