Tower of suspension bridge is through suspension and anchor in the Strait (or both ends of the bridge) of cable (or steel chain) as a bridge superstructure of main load bearing members. Cable geometry shapes by the force of its equilibrium conditions, generally closer to parabolic. From ropes hanging many hangers, hanging bridge, between the deck and boom often set the stiffening girder, formation combination with cable system, to reduce the arising out of the live load deflection.
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