Frame structured bridge

Bridges – Suspension

Patent

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E01D 1100

Patent

active

054937469

ABSTRACT:
A suspension bridge structure is disclosed which uses horizontal cables, tensioned between anchorages, and frame lateral girder
ode members connected between the horizontal cables to form frames. A tower section protrudes between the horizontal cables and is attached to the horizontal cables. A main cable is extended between the anchorages and over the top of the tower section. The frame lateral girder
ode members are suspended from the main cable. A roadway or other transportation system can be supported on the frame lateral girder
ode members.

REFERENCES:
patent: 3979787 (1976-09-01), Ahlgren
patent: 4069765 (1978-07-01), Muller
patent: 4208969 (1980-06-01), Baltensperger et al.
patent: 4253780 (1981-03-01), Lecomte et al.
patent: 4451950 (1984-06-01), Richardson
patent: 4457035 (1984-07-01), Habegger et al.
patent: 4513465 (1985-04-01), Schambeck
patent: 4535498 (1985-08-01), Webster
patent: 4589156 (1986-05-01), Schambeck
A. S. Beard, "Development of the Tsing Ma Bridge," The Structural Engineer, pp. 192-195, vol. 71, No. 11, Jun. 1, 1993.

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