Structural Engineering Slide Library

Composite Highway Bridge, Switzerland (1971)

	Image-GoddenG31 Composite construction elevated highway. View taken from the high abutment of the bridge which has a constant down gradient from this end. This slide shows the outside of the plate girder section, and the shear keys on the top flange that will lock into concrete deck sections. At this stage it is a multi-span continuous beam, and this section will support the weight of the decking units. (Near Flamatt, Switzerland)
	Image-GoddenG32 Composite construction elevated highway. View down the axis of the bridge. Note the heavy lateral truss (Bailey-type) between the girders that holds the girder assembly straight during construction. Note also the vertical and horizontal stiffeners on the inside of the plate girder web. (Near Flamatt, Switzerland)
	Image-GoddenG33 Composite construction elevated highway. Precast deck units that will both span transversely between the plate girders, and also act as the top flange of the composite section via the girder shear keys. Continuity between adjacent deck sections is accomplished by the protruding rebars that can be seen in this slide and in GoddenA64. (Near Flamatt, Switzerland)

Set G: Structures Under Construction