CROSS-BEAM-CUM-PRESTRESSED CONCRETE SLEEPER AND CONSTRUCTION METHOD USING THE PRESTRESSED CONCRETE SLEEPER

摘要

PROBLEM TO BE SOLVED: To equalize a length of a prestressed concrete sleeper used as a cross- beam of a construction beam with a length of a prestressed concrete sleeper commonly used on a track bed.;SOLUTION: In the prestressed concrete sleeper 1, extension blocks 2 can be attached to both end parts, it can be used as the cross-beam of a construction beam in a state with the extension blocks attached, and it can be used as the prestressed concrete sleeper on the track bed in a state with the extension blocks removed.;COPYRIGHT: (C)2003,JPO