Structural Engineering Slide Library

Modern bridges: aerodynamic girder

Thumbnail Image Image-GoddenC49 Bosporus Bridge. With foundations laid in 1970, this suspension bridge which connects Europe and Asia has a total span of 5118 ft. and is the longest suspension bridge in Europe. The main span is 3523 ft., the side spans (foreground) are not suspended, hence the cable back-stays are straight. (Istanbul, Turkey)
Thumbnail Image Image-GoddenC50 The Bosporus Bridge features an aerodynamically designed stiffening girder made as a hollow box section in steel, and cable hangers that are triangular in arrangement rather than the more usual vertical design. (Istanbul, Turkey)

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