Forces in bridges

The main forces in a bridge of any type are traction, if it has cables, bending on the deck and compression in the pillars. Look at the diagram below to learn how they act on a suspension bridge.

Forces in a suspension bridge
Forces in a suspension bridge

Cable-stay bridges are a subcategory of suspension bridges. It is efficient as it uses the steel cables to its full tensile potential in turn reducing a number of cables.

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