| 摘要 |
PURPOSE: A form work method for a bridge floor slab concrete is provided to install a mold form without timbering when concreting a floor slab concrete of a bridge or an overhead bridge on a road and to reduce environmental pollution by installing, dismantling a mold form easily and reducing the quantity of wastes. CONSTITUTION: A form work method for a bridge floor slab concrete without timbering comprises the steps of; boring many holes through the upper wing of many box-type girders (2') installed on a pier (1) of a bridge; installing many nuts (12) on the upper part of the holes; fastening a bolt (13) fastened with many level nuts (14) through haunch steel sheets (31,31') to the many nuts (12); installing many deck plates (21) on the upper part of the many haunch steel sheets (31,31'); inserting a sheathing board (17) to the upper part of the many deck plates (21); concreting a bridge floor slab concrete to the upper part of the sheathing board (17); after hardening by curing the bridge floor slab concrete surface, unfastening the level nut (14) and dismantling the hunch steel plates (31,31'), the deck plate (21) and the sheathing board (17).
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