Matches in DBpedia 2015-10 for { ?s ?p "A box or tubular girder is a girder that forms an enclosed tube with multiple walls, rather than an I or H-beam. Originally constructed of riveted wrought iron, they are now found in rolled or welded steel, aluminium extrusions or prestressed concrete.Compared to an I-beam, the advantage of a box girder is that it better resists torsion."@en }
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- Box_girder comment "A box or tubular girder is a girder that forms an enclosed tube with multiple walls, rather than an I or H-beam. Originally constructed of riveted wrought iron, they are now found in rolled or welded steel, aluminium extrusions or prestressed concrete.Compared to an I-beam, the advantage of a box girder is that it better resists torsion.".