Bridge truss, bridge span including such trusses, and method of

Details Bridge truss, bridge span including such trusses, and method of Bridge truss, bridge span including such trusses, and method of

1984-12-07

1987-02-17

Leppink, James A.

Bridges

Truss

Arrangement

14 13, 14 23, 52223R, 52693, E01D 702

Patent

active

046428305

ABSTRACT:
A prefabricated three-dimensional truss structure for a bridge, or the like, the truss formed from bars arranged to define triangular or rectangular patterns. The bars are formed from prestressed, high-strength concrete that are connected at their ends with assembly blocks that are prestressed, the prestress being preferably provided by the cables that prestress the bars, and which terminate at the blocks. A plurality of such unit trusses can be assembled to provide a truss structure for a bridge span, and the trusses can assume a wide variety of configurations.

REFERENCES:
patent: 3027633 (1962-04-01), Murphy
patent: 3145540 (1964-08-01), Baittinger
patent: 4282619 (1981-08-01), Rooney
"Kuwait's Bubiyan Bridge--a 3-D Precast Segmental Space Frame", PCI Journal, Jan./Feb. 1983, twenty pages.

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