Patent ID: 8291676
Filing Date: 2012-10-23
Classification: E04C

Abstract:
1. A mold-concrete composite crossbeam, comprising: a H-steel composed of an upper flange, a lower flange, and a web connecting the upper and lower flanges to each other; a concrete member formed in a length direction of the H-steel so that the upper flange of the H-steel is exposed out but the lower flange and the web are at least partially buried therein; deck plate supports installed to both side edges of an upper surface of the concrete member so as to support a deck plate placed thereon; a reinforcing steel bar installed around the H-steel; a mold including a bottom detachably coupled to a lower end surface of the concrete member, and a pair of sidewalls formed in parallel to both sides of the bottom and detachably coupled to both end sides of the concrete member; a lateral reinforcing member coupled across both sidewalls of the mold to support the sidewalls; a side reinforcing member installed to an outer side of the sidewalls of the mold in a length direction thereof; and a plurality of bottom reinforcing members installed across a lower surface of the bottom of the mold to support the lower surface.