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| Number | Title | Issue Date |
| 7062812 | Arch bridge A bridge, comprising a set of arches, each extending longitudinally along the bridge, including at least one central arch and at least two side arches, symmetrically disposed about the central arch. The side arches are slanted transversely inwardly so that they are ... | 06/20/2006 |
| 7007430 | Method for impeding transverse relative displacements of a pipe and at least one cable A method impedes transverse relative displacements of a pipe (2) and at least one cable (3) which extends in this pipe (2), and doing so with a certain transverse play (4). The method has the steps of: selecting at least one portion (8... | 03/07/2006 |
| 6892410 | Reinforcement structure of truss bridge or arch bridge Through co-action between auxiliary triangular structural frames, which are each constructed at opposite ends of a truss girder or arch girder, and a cable stretched between the auxiliary triangular structural frames, an upwardly directed force is exerted to the tru... | 05/17/2005 |
| 6401285 | Undulating support structure bridge A bridge comprising a set of bases, a deck, an undulating support structure having above-the-deck arch sections and below-the-deck sections and being supported by the set of bases at the below the deck sections. The bridge also includes at least two array... | 06/11/2002 |
| 6138309 | Tension members for erecting structures A tension member is provided for use in erecting structures that has an elongated body with an outer wall defining an inner space. A tendon extends from one end of the body to the other within the defined inner space. The tendon has a tension force placed... | 10/31/2000 |
| 5655347 | Biarch-framing member for arched structures A biarch consists of two coplanar arches, curved in the same direction and radially spaced with cross ties having shear rigidity in planes perpendicular to the cross section areal center curve of the arch pair. End ties resist relative tangential arch dis... | 08/12/1997 |
| 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 |
| 4691399 | Rehabilitation of steel truss bridges by means of reinforcing arches The useful life and carrying capacity of an existing steel truss bridge are increased by adding a support arch assembly secured to the truss structure. In the preferred embodiment the support arch structure assembly includes arch members running along eac... | 09/08/1987 |
| 4644978 | 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... | 02/24/1987 |
| 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 |
