The present invention applies the advantages of the corrugated steel sheet and the prestressed concrete composite type to the slab bridge, arrange the PS steel wire considering the moment moment load of the corrugated steel sheet, and synthesizes the corrugated steel sheet and the slab to act integrally, slab Prestressed concrete that allows for long spans by using rigid corrugated steel sheets as well as constructing bridges without having to install the bottom of the bridge by installing reinforcing bars only on the concrete's upper surface. The purpose is to provide a corrugated steel sheet composite slab bridge and its construction method.;Prestressed concrete corrugated steel sheet composite slab bridge according to the present invention for achieving the above object is a bridge bearing installed on the bridge or alternator; Characterized in that it consists of a synthetic type slab fixedly installed in the span direction on the bridge support.;In addition, the prestressed concrete corrugated steel sheet composite slab bridge construction method according to the present invention for achieving the above object is to install a bridge support on the bridge or the top of the bridge, and the composite slab continuously in the span direction on the bridge support. It is characterized by constructing a composite slab bridge by installing it.;Prestressed concrete corrugated steel composite slab bridge
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