Patents in subclass Bridges/Expansion Device (E.G., Bearing Pad)
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 07389555 | Large resisting distortion comb-type bridge expansion joint A large resisting distortion combo-type bridge expansion device, comprises fixed comb plate 2 and moveable comb plate 1 which are respectively disposed on the girder 10 where at the two sides of the bridge expansion device, the moveable... |
06/24/2008 |
| 07367075 | Girder bridge protection device using sacrifice member A girder bridge protection device. The girder protection device includes a sacrifice member having girders installed on an upper surface of a bridge seat of an abutment or pier to support a bridge floor, a symmetrical main support member... |
05/06/2008 |
| 07354219 | Multi-seal waterproof expansion joint for roadways A multi-seal waterproof expansion joint for roadways includes an L-shaped load-bearing member mounted to each end of adjacent roadway sections. The lower surface of the horizontal leg of each load-bearing member has a shaped end to... |
04/08/2008 |
| 07281287 | Prop-type damping device There is disclosed a prop-type damping device which effectively consumes energy of up-and-down vibration on a main girder of a bridge caused by earthquakes, winds, passing vehicles or the like to prolong a life of the bridge and improve... |
10/16/2007 |
| 06971795 | Seismic isolation bearing A seismic isolation bearing comprises a lower plate, an upper plate, and a cylindrical roller in rolling contact with an upwardly facing, bearing surface of the lower plate and a downwardly facing surface of the upper plate. The lower... |
12/06/2005 |
| 06722088 | Elevated bridge infrastructure and design method for designing the same In order to design an infrastructure of an elevated bridge, first a target ductility factor .mu.d and target natural period T.sub.d for the infrastructure are set in connection with an assumed earthquake motion. Subsequently, a yield... |
04/20/2004 |
| 06609265 | Seismic proof articulating bridge deck expansion joint A bridge expansion joint assembly includes at least a first expansion module and a second expansion module on opposing bridge structures. The first expansion module includes a first hinge pivotally mounted to a first bridge structure so... |
08/26/2003 |
| 06499170 | Seismic load transmitting system based on impact mechanism for multi-span continuous bridges Disclosed is a seismic load transmitting system based on impact mechanism for a multi-span continuous bridge. There are impact assemblies connected to a superstructure of the bridge for colliding with movable support piers according to a... |
12/31/2002 |
| 06460214 | Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same A vibration resistant expansion joint is provided. The expansion joint includes a sustaining pedestal (1) which is formed from two L-shaped members (111 and 112). A plurality of shim assemblies (12), each containing a bifurcated... |
10/08/2002 |
| 06412982 | High ground pressure elastic support There is provided an elastomeric bearing installed at an upper girder of a bridge or between upper and lower parts of a building, for supporting a load in a stable manner. The elastomeric bearing includes a cylinder member having a... |
07/02/2002 |
| 06393644 | Bridge joint A bridge joint for use with a railroad track having standard rail sections with flanges. The bridge joint includes a fixed point having a forward integral accepting portion with a point and flanges rearward of the accepting portion. The... |
05/28/2002 |
| 06363564 | Three-piece bridge joint A bridge joint for use with a railroad track having standard rail sections with flanges. The bridge joint includes a fixed point section having an integral accepting portion with a point and laterally spaced side walls, and a standard... |
04/02/2002 |
| 06325576 | High throughput hole forming system with multiple spindles per station A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear... |
12/04/2001 |
| 06249925 | Bridge of shock-absorbing construction A bridge of shock-absorbing construction is disclosed, which includes horizontal members arranged in series, vertical members supporting the horizontal members, and connectors for connecting the adjacent horizontal members or for... |
06/26/2001 |
| 06178706 | Movement limiting device for bridge bearing A movement limiting device of a bridge bearing is provided in which the horizontal strength in the longitudinal direction and the perpendicular direction of a bridge when limitation in movement is cancelled can be suitably separately set.... |
01/30/2001 |
| 6022169 | Expansion joint apparatus Expansion joint apparatus which can be installed at junctions between upper structures of a road and a bridge. In a state of applying the apparatus to a bridge, each wheel in a same shaft of a vehicle passes the apparatus at different... |
02/08/2000 |
| 6018834 | Method for building a bridge and bridge built according to said method Method for building bridges and bridge built according to the method especially a girder bridge with one, two or more girders or longitudinal beams resting on supports at abutments or the like. The novelty lies therein that the girder or... |
02/01/2000 |
| 5920938 | Method for rejuvenating bridge hinges A method for rejuvenating bridge hinges and bridge abutments for replacement of worn bridge bearing pads. The method can be applied to the insertion of heavy duty pipes for seismic retrofitting of joints in elevated roadways. Throughbores... |
07/13/1999 |
| 5918339 | Antiseismic energy dissipator for structures such as viaducts and the like An energy dissipator for interposition between parts of a structure, for example, between a support structure and a deck of a viaduct, protecting the structure in the event of an earthquake in an effective and consistent manner which... |
07/06/1999 |
| 5906084 | Modular decking system An improved modular decking system, the system including decking in the form of a plurality of treads, the decking being carried by one or more bearer members and the bearer members in turn being supported at or above ground level by one... |
05/25/1999 |
| 5863148 | Prefabricated highway with end supports A prefabricated highway with end supports. The end supports include a first elongated support member for transverse engagement of a longitudinal end of the prefabricated highway section and a second elongated support member parallel to... |
01/26/1999 |
| 5832678 | Seismic portal Portal apparatus (40) is provided for interconnection between adjacent first and second structures (32, 34) in order to maintain operative communication between the structures (32, 34) under seismic conditions. The apparatus (40) includes... |
11/10/1998 |
| 5775038 | Fixed point seismic buffer system A seismic damping system for a building structure, comprises a foundation for supporting a structure, a fixed anchor disposed in an accessible position centrally of the foundation, and damping members connected between the foundation and... |
07/07/1998 |
| 5600860 | Dilation joint for bridges and viaducts A dilation joint adjustably interconnecting the structural edges of a bridge opening. The dilation joint includes two continuity metallic plates in a transit plane, connected to the structural edges of the opening and to lower structural... |
02/11/1997 |
| 5597240 | Structural bearing A structural bearing including a first, rigid-support member for mounting on a structure on which the bearing is supported; a layer of first elastomeric material mounted on top of the first support member; a second, rigid-support member... |
01/28/1997 |