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| Number | Title | Issue Date |
| 7305798 | Composite overfilled arch system An overfilled arch bridge system includes a composite arch which has a precast layer and a cast-in-place layer. The system further includes means for reducing bending moments within the overfilled arch. The means include customizing the arch end geometry and prestre... | 12/11/2007 |
| 7263736 | Sand dune bridges and methods of protecting sand dunes A sand dune bridge is configured with a suspension span which spans a sand dune from first pilings on a landward side of the dune to second pilings in or adjacent to a seaward side of the dune. A ramp extends from the second pilings to the beach. The ramp may also b... | 09/04/2007 |
| 7146672 | Tunable load sharing arch bridge A method and apparatus for adjusting the live and dead load balance between the arches of an arch bridge and the truss girder that supports the bridge deck. The method is achieved by providing a tension equalizing member across the bottom chord of the truss girder w... | 12/12/2006 |
| 6530101 | Strand bridge A multiple-use, cable-supported bridge in which the primary lateral and vertical deck-stiffening elements are prestressed cables, or strands, extending along one or both sides of the bridge, and methods of fabricating such bridges, are shown and described... | 03/11/2003 |
| 6301735 | Method and device for attaching a load-transmitting element to a cable, and suspension bridge comprising such devices The device comprises a collar consisting of two shells, designed to provide a link with the load-transmitting element. The cable has an assembly of tensioned strands contained, at the level of the collar, in a matrix filling the interstices between the st... | 10/16/2001 |
| 6012191 | Suspension bridge having a central observation pod and high rise multi-use commercial buildings sandwiched between the bridge support pylons A suspension bridge housing high rise buildings located at opposite ends of the bridge and integrally sandwiched within the supporting pylons of the bridge. The suspension bridge supports an observation pod at its center and a continuous series of tetrahe... | 01/11/2000 |
| 5896609 | Safety method of construction a prestressed cable-stay bridge A method of construction a prestressed cable-stay bridge is provided. The method includes the constructing at least a tower having a pier, a pair of masts and a girder between the masts for securing a deck, a main beam supported on the deck along a longit... | 04/27/1999 |
| 5568667 | Structure to interconnect two branches of a suspension bridge framework in correspondence of a pier supporting the catenary A suspension bridge having end piers from which the bridge is suspended. The bridge has a substantially fixed stiff horizontal branch (P1) and a substantially flexible horizontal branch (P2). Each bridge branch (P1, P2) comprises three parallel longitudin... | 10/29/1996 |
| 5060332 | Cable stayed bridge construction A cable stayed bridge which includes a pair of towers on either side of a gap and a roadway deck extending across the gap between the towers and cable stays fanning out from the top of each tower to separate longitudinally spaced load-bearing points on th... | 10/29/1991 |
| 4704754 | Tension arch structure A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressive elements are pl... | 11/10/1987 |
| 4631772 | Tension arch structure A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressive elements are pl... | 12/30/1986 |
| 4535498 | Suspension bridge A bridge structure comprising at least one pair of upstanding spaced apart rigid mast-towers and a rigid boom-like member extending upwardly and angularly respective each mast-tower. At least a tie member joining the free end of each boom-like member with... | 08/20/1985 |
| 4464803 | Tension arch structure A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch action. Cables are stretched and anchored between end supports. Lateral compressive elements are pl... | 08/14/1984 |
| 4454620 | Span construction A span construction having longitudinal cables extending between end supports, a flexible sheath enclosing the volume bounded by cables and end supports, a fan for forcing a gas through the sheath and gas escape holes on the underside of the sheath to rai... | 06/19/1984 |
| 4062081 | Transportable bridge and method A transportable bridge is provided which may be erected across a wide, e.g. 150 foot, depression, and with access to only one bank of the depression. The bridge comprises a pair of abutments and a plurality of deck units. The abutments are laterally exten... | 12/13/1977 |
