CONSTRUCTION METHOD AND STRUCTURE FOR REINFORCING VIADUCT SLAB USING CHANNEL STEEL AND DECK PLATE

摘要

PROBLEM TO BE SOLVED: To provide a construction method and a structure for reinforcing a viaduct slab using channel steel and a deck plate, which reinforce the viaduct slab deteriorated due to steel corrosion and the like, by suppressing separation and exfoliation.

SOLUTION: Channel steel 5 is installed in a direction perpendicular to a bridge axis on an undersurface of an existing slab 1; a deck plate 3 is installed in a bridge-axis direction on the channel steel 5; and a filler 2 is infilled between the existing slab 1 and the deck plate 3.

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