PREFABRICATED PIPE, AND PROPULSIVE BURYING CONSTRUCTION METHOD USING IT

摘要

PROBLEM TO BE SOLVED: To shorten a construction period required for burying cables. ;SOLUTION: A unit conduit 2 is disposed in a Hume pipe 1, and the unit conduit 2 comprises a pipe 4 for a cable to be inserted, and a support frame body 3 for supporting the cable. The pipe 4 is disposed a long an inner circumference of the Hum pipe 1. Inside the Hume pipe 1 in which the unit conduit 2 is disposed, space in which a man can pass is secured.;COPYRIGHT: (C)1999,JPO