A BUILT-UP PASSAGE OF ELECTRIC POWER LINE UNDER THE GROUND

摘要

PURPOSE: A self-assembly underground electric power conduit pipe is provided to shorten a construction period by assembling each section part in a construction site or a workplace in advance and then laying the assembled section part. CONSTITUTION: A conduit is composed of an upper section part(14). A hanger(30) is arranged between two side section parts(12,13). The hanger supports a cable(40). The cable is formed in the inner space(20) of the conduit. A section part for replacing is formed at regular distance along the longitudinal direction of the side section part.