CONSTRUCTION METHOD OF PRESTRESSED CONCRETE ACCORDING TO POST TENSION METHOD

摘要

PROBLEM TO BE SOLVED: To solve the problems such as corrosion and rupture of a PC steel member and deterioration due to peeling off of concrete because a cavity and a water collection part remain in a PC tendon insertion duct in precast concrete placed according to a post tension method.;SOLUTION: A filling material 25 hardened with time is poured into a sheath 23, then a PC tendon 13 is inserted while immersed in the filling material in the sheath, and the PC tendon 13 is tightly stretched after sealing both ends of the sheath to introduce prestress into a precast concrete member 10.;COPYRIGHT: (C)2001,JPO