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7281287 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...
6971795 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...
6722088 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 μd and target natural period T d for the infrastructure are set in connection with an assumed...
6609265 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...
6499170 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...
6460214 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...
6412982 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...
6393644 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...
6363564 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...
6325576 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...
6249925 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...
6178706 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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5566414 Bridge raising/supporting method and bearing device for the method  
A method of raising/supporting a bridge or the like on a lower structure involving sliding an upper wedge-shaped pressure receiving member having a slope on its lower face and a wedge-shaped drive...
5553342 Bridge structure including shock transmission units  
A bridge structure comprises at least two piers, a deck structure between each pair of adjacent piers supported to allow for relative movement longitudinally of the deck between at least one pier...
5537790 Seismic bridge  
A seismic bridge for bridging and providing pedestrian access across a seismic joint between two building parts has a first end unit with a floor pivotally connected to one of the building parts...
5505026 Aseismatic load-supporting structure for elevated constructions  
This invention concerns an aseismatic steel structure for supporting elevated constructions or works to be interposed between a plurality of reinforced concrete supporting pillars and the lower...
5466068 Articulated bearing for heavy loads  
An articulated bearing for the articulated transfer of heavy loads, e.g., from a bridge superstructure to a bearing pad, includes a pot connected to the bearing pad and a cover connected to the...
5349712 Variable damper for bridges and bridge  
This variable damper system for a bridge is installed between a superstructure and a substructure of a bridge and can freely change the damping characteristics so that the inertial force of the...
5324117 Laminated rubber bearing  
A laminated rubber bearing comprising a columnar-shaped viscoelastic body 5, a plurality of viscoelastic members 4, and an external binding body 1 disposed in the periphery of these components. The...
5215382 Isolation bearing for structures with transverse anchor rods  
An isolation bearing for structures includes interlocking channels arranged in pairs of rows in which adjoining pairs of rows can be aligned or staggered. A transverse anchor rod controls the...
5071261 Earthquake-bearing  
An earthquake bearing with a spherical ball (26) located between two elastomer layers (18,19) in the shape of half-shells. The elastomer layers each include a cylindrical elastomeric pad. The...
5054251 Structural shock isolation system  
A structural shock isolation system that may be used in building structure, or in other applications requiring load supporting elements is disclosed. The shock isolation elements of the system are...
5014474 System and apparatus for limiting the effect of vibrations between a structure and its foundation  
Apparatus for limiting the effect of vibrations between a structure and its foundation having two types of elastomeric load bearing pads. One pad has the capability of absorbing vertically and...
4955098 Pot-shaped support for structures, especially bridge structures  
Pot or bowl-shaped support for structures, especially bridge structures, consisting of a pot for receiving a pressure pad from an elastomer upon which rests a lid, which transmits the load of the...
4928339 Pot-type bearing for constructions such as bridges or the like  
The width of a pot bearing seal (8) is restricted to a minimum in such manner that it seals off the gap (18) between the internal pot wall (16) of a bearing pot (2) and a bearing cap (4) of a pot...
4897103 Conduit for molten glass  
A conduit for conducting molten glass in a glass making operation comprising an elongate superstructure, an elongate carriage, a plurality of refractory blocks assembled on the carriage to form a...
4823522 Energy absorbing and assembly for structural system  
An energy absorbing assembly in which a number of spaced, metallic plate-like elements are coupled together by end blocks and spacers clamped together so that the elements are generally parallel...
4738707 Apparatus for supplying molten glass and method of fabricating same  
A channel made from refractory elements is fabricated without gaps or expansion joints between the refractory elements by supporting the channel upon a movable carriage to accommodate the...
4727695 Building structure shock isolation system  
A building structure shock isolation system is disclosed incorporating aseismic bearings for positioning between major structural components of the building and between such components and the...
4720882 Antiseismic stop device for bridge and viaduct girder structures  
An antiseismic stop device for girder structures of bridges, viaducts and the like, in which said girder structure is simply resting on the piers, said device comprising separate stop means, one...
4709435 Bridge deck system  
A system for attaching a bridge deck panel to a bridge structure which allows the panel to expand in lengthwise and sidewise directions independent of a bridge deck support structure. Brackets...
4695169 Structural bearing  
A structural bearing assembly in which a center plate is located upon a support 11. The support comprises an elastomeric core and a reinforcing outer layer 13 made up of a spirally wound cord of...
4665830 Guide construction and method of installation  
A vehicle supporting guideway is presented, the guideway is comprised of upper horizontal stringers, lower horizontal stringers vertically oriented diagonal members affixed to the upper and lower...
4610486 Structural bearing assembly  
A structure bearing assembly comprising a retaining plate housing a circular center plate the upper surface of which has a PTFE bearing layer and a number of lubricant grooves which may be straight...
4605106 Displacement control device  
A displacement control device for damping relative movement between a structure and a support for the structure, and for absorbing energy when the relative movement exceeds a predetermined amount.
4587684 Precast concrete bridge  
A bridge is made from a plurality of precast arcuate spans of reinforced concrete disposed side by side between concrete facia. The facia project upwardly to an elevation above the crown of the...
4572702 Expansion joint  
An expansion joint adapted for sealing an elongated gap formed between two adjacent road sections. The joint provides a continuous support for vehicles crossing the gap while enabling the desired...
4514941 Aseismic sliders  
An aseismic slide construction to isolate structures from horizontal ground movement caused by earthquakes comprises a lower plate for contact with the ground, an upper plate for supporting the...
4429450 Method of making structural bearings  
A modular element for a bridge or structural bearing having metal plates encased within layers of vulcanized rubber is formed in a press including a lower member with at least one post or pin...
4363149 Earthquake-proof shoe for bridges  
A receiving plate for opposite ends of an upper shoe is placed between claws at opposite ends of a lower shoe, rubber packings are detachably provided in the gap spaces between the respective claws...
Matches 1 - 50 out of 163 1 2 3 4 >