With advance of laying position of the said PC edition to install the winch which

摘要

PROBLEM TO BE SOLVED: To shorten the construction period by efficiently manufacturing PC boards on a pavement installation surface, and continuously installing the PC boards to prescribed positions when paving a road with the PC boards. ;SOLUTION: A carriage 3 moved on a roadbed 1 is installed near an installation surface of PC boards 2, a prescribed number of PC board manufacturing devices 4, 4... are mounted on the carriage 3, and concrete is placed in the PC board manufacturing devices 4, 4.... After curing, the PC boards 2 are installed at the prescribed positions by a movable lifting device 20, then the carriage 3 is moved to the next installation position of the PC boards 2, and the PC boards 2 are continuously installed.;COPYRIGHT: (C)2000,JPO