Design of Self-anchored Suspension Bridge

The Haiyantang Bridge in Pinghu is a self anchored suspension bridge, spans are attributed as (30+72+30) m. In the superstructure the concrete box girders are used, the cables are anchored both in the end and in the middle of the girder, and are surrounded by the concrete steel tubes. Taking the bridge as background and analyzing the stress features, the conception design and the development of the special bridge are discussed.