Class / Patent application number | Description | Number of patent applications / Date published |
014073000 | DECK | 31 |
20080250579 | Modular Support Catch System - A removable support structure for attachment underneath a bridge is provided. The removable support structure has one or more pre-assembled platform modules. Each module comprises an underlying grid and one or more panels attached to the top of the underlying grid. The modules are attached to, suspended below, or otherwise supported beneath the underside of a bridge. The underlying grid is constructed from substantially parallel beams and lateral supports perpendicular to the beams connecting the parallel beams. | 10-16-2008 |
20090077758 | BRIDGE DECK PANEL - A prefabricated bridge deck panel can be affixed to pre-existing bridge girders. The bridge deck panel includes an elongated metal deck plate stiffened longitudinally by longitudinal stiffening metal ribs. The bridge deck panel also has at least one inverted Tee rib underneath the deck plate. The vertical web member of the inverted Tee rib has its upper end structurally secured to the deck plate of the bridge deck panel. The panel also includes spaced-apart transverse floor beams underneath the deck plate. The vertical web member of the transverse floor beams has recesses fitted over the longitudinal stiffening metal ribs, and interfits with the vertical web member of the inverted Tee rib. The upper end of the transverse floor beams is structurally secured to the deck plate. In use, the inverted Tee rib is laid on and secured to a pre-existing bridge girder. | 03-26-2009 |
20090300861 | DISLOCATION PREVENTING BOLT, AND LONGITUDINAL RIB COMPOSITE FLOOR PANEL HAVING THE DISLOCATION PREVENTING BOLT - An object of the invention is to obtain dislocation preventing means which has a simple structure and reliably prevents dislocation from concrete, and cause a deck plate to correspond to a resistance cross section with respect to all dead/live loads over the entire length of a bridge beam. A dislocation preventing bolt | 12-10-2009 |
20100031458 | BRIDGE DECK - A bridge deck ( | 02-11-2010 |
20100037405 | Ramp insert - The present invention is directed to a ramp insert for insertion between rails and/or rungs of a ramp. An embodiment of the present invention includes a body that may have an adjustable length. The body may include a first section that may include a track portion and a second section that may include a groove portion. The groove portion may be capable of fitting together with the track portion. The first or second section may be capable of slidably moving with respect to the other section via the track portion and the groove portion. The ramp insert may be placed between the rails and/or rungs of the ramp whereby the ramp insert may be adjusted to various lengths. Since the ramp insert may be adjusted to various lengths, the ramp insert may fit many different kinds of ramps having various widths. | 02-18-2010 |
20100064454 | Concrete Bridge - An improved prestressed concrete bridge having internal and external tensioning tendons which follow approximately similar pathways which are not straight. | 03-18-2010 |
20100071141 | Variable length beam - A beam comprised of sub-components capable of extending or contracting in overall length is provided. The beam consists of a twin-beam structure that provides travel support for two end beam components that are movable with respect to one another to extend or contract the length of the resulting variable length beam. Extension or contraction of the variable length beam can be accomplished manually or, in a preferred embodiment, by means of a screw drive. The variable length beams facilitate the fabrication of reusable, adjustable width deck-forming panels used in the construction of cast-in-place bridge deck slabs supported by parallel structural beams. | 03-25-2010 |
20100139015 | BRIDGE DECKING PANEL WITH FASTENING SYSTEMS AND METHOD FOR CASTING THE DECKING PANEL - A bridge decking panel and structures for attaching the panel to supporting bridge beams and to other such panels at abutting ends. An anchor plate assembly is cast within a paving material and has a pair of parallel runner bars extending along the decking panel and spaced apart by the width of a supporting bridge beam that is received between the runner bars. The runner bars are connected by cross bars and several studs extend from the runner bars into the paving material. Several nuts are welded to the runner bars at spaced intervals and aligned with holes through the runner bars for attachment to connecting structures. The connecting structures include panel to beam connecting structures that have several clamping plates extending from beneath a runner bar to beneath a portion of a bridge beam. A mating machine screw extends through a hole in each clamping plate and engages the nuts and, when tightened, clamps the anchor plate assembly, and therefore the decking panel, to the bridge beam. End connecting structures include an end link bolted to the nuts nearest the ends of the runner bars of the adjacent decking panels. The preferred end link has two 90° angle brackets that are bolted together and bolted to those nuts. The decking panels are cast in a form that has two or more channel-forming sheets attached to the bottom wall of the form and extending from wall to wall. Each sheet is dimensioned to receive an anchor plate assembly and form a channel in the cast concrete between the runner bars. | 06-10-2010 |
20100170050 | Welded Joint, Steel Deck, and Process for Producing The Steel Deck - A welded joint improved in fatigue strength, a steel deck using the welded joint, and a process of producing the steel deck are provided. | 07-08-2010 |
20100319144 | USE OF RECYCLED PLASTICS FOR STRUCTURAL BUILDING FORMS - Modular plastic structural composites having a web section disposed along a horizontal axis and at least one flange section disposed along a horizontal axis parallel thereto and integrally molded to engage the top or bottom surface of the web section, wherein said composite is formed from a mixture of (A) high density polyolefin and (B) a thermoplastic-coated fiber material, poly-styrene, or a combination thereof. Composites molded in the form of I-Beams and bridges constructed therefrom are also disclosed. | 12-23-2010 |
20100325819 | BRIDGE APPROACH AND ABUTMENT CONSTRUCTION AND METHOD - A bridge approach, abutment construction and road widening technique and method using tilt-up panels and lightweight concrete fill is disclosed. A bridge approach ramp is constructed using tilt-up panels, initially supported using tilt form braces, to from a retaining wall perimeter, and subsequently filling the interior with sequential pours of lightweight concrete. The present invention advances the art of bridge construction by providing an improved bridge approach structure that is capable of rapid construction and provides an improved and cost effective structure as compared with prior art teachings. | 12-30-2010 |
20110030155 | METHOD FOR BUILDING OVER AN OPENING VIA INCREMENTAL LAUNCHING - Methods and systems for building a stress ribbon structure over an opening via incremental launching, a construction fixture, a support structure, an anchorage panel, and a stress ribbon structure are disclosed. Construction fixtures are constructed adjacent to a support structure. The stress ribbon structure is constructed in a staging area and in sections that are suspended between the construction fixtures. Anchorage panels at each end of a section engage a blister on the construction fixtures and the support structure. Completed sections are launched from the construction fixtures onto and along the support structure. Sections are individually constructed and launched and adjacent sections abut along a lateral edge. Adjacent sections are aligned by adjusting tension in integral support cables and their ends pivot or rotate about the blisters via a bearing system with both rotational flexibility and low friction to support sliding in the direction of launching. | 02-10-2011 |
20110138549 | Method to Compress Prefabricated Deck Units By Tensioning Supporting Girders - A structural system comprised of prefabricated deck units spaced along longitudinal load-carrying members, which produce longitudinal axial compression in deck units by tensioning the longitudinal load-carrying members without the use of standard post-tensioning details. During construction, prefabricated deck units are erected on top of and supported by the longitudinal load-carrying members via leveling devices, which also permit relative motion between the longitudinal load-carrying members and the prefabricated deck units. Jacking apparatuses are used to introduce deck compression by jacking against the longitudinal load-carrying members. This system can be used for new structures and for deck replacement of existing structures. | 06-16-2011 |
20110197379 | FIXED ROAD FOR RAIL-BOUND VEHICLES ON A BRIDGE - The invention relates to a fixed road for rail-bound vehicles on a bridge, wherein the fixed road consists of a bridge superstructure slab, a support slab covering said bridge superstructure slab and comprising longitudinal humps and stoppers and a ballast slab comprising clearances, on which the rails are arranged with fasteners. | 08-18-2011 |
20120000020 | SUPPORT PLATFORM AND METHOD OF CONSTRUCTION THEREOF - A bridge superstructure comprises a first aspect of the present invention, a bridge structure comprises a contact surface supported by a decking mounted on a superstructure. The superstructure includes a mounting for the decking. The decking comprises a panel composed of a fibre reinforced polymer composite, the panel comprising a plate having an upperside and an underside, a plurality of first and second beams, each beam having an upper face and a base face and side faces, the upper face of each beam being integral with the underside of the plate, a first beam having an aperture extending between the side faces, wherein a second beam extends through the aperture. The panel further comprises means for attachment to the superstructure and a layer of wear-resistant material on the upper side of the plate. | 01-05-2012 |
20120023687 | Bridge Decking Panel With Fastening Systems - A bridge decking panel and structures for attaching the panel to supporting bridge beams and to other such panels at abutting ends. An anchor plate assembly is cast within a paving material and has a pair of parallel runner bars extending along the decking panel and spaced apart by the width of a supporting bridge beam that is received between the runner bars. The runner bars are connected by cross bars and several studs extend from the runner bars into the paving material. Several nuts are welded to the runner bars at spaced intervals and aligned with holes through the runner bars for attachment to connecting structures. | 02-02-2012 |
20120117739 | Ecologically-Sound Waterway Culvert Restoration - Stabilized, durable stream crossings are built from contained plant growth medium secured to the stream banks, bridge footings installed behind the contained growth medium, and an open-construction bridge deck spanning the footings that permits light and rain water to reach the growth medium on the banks underneath the bridge. | 05-17-2012 |
20130061406 | Modular Bridge - The description relates to modular bridges. On example of a modular bridge includes multiple parallel longitudinal modules. An individual module includes a steel superstructure embedded in a concrete deck that includes a longitudinal keyway. The concrete deck serves to maintain a longitudinal camber of the steel superstructure rather than diminishing the longitudinal camber. Adjacent parallel longitudinal modules are bolted together at adjacent opposing longitudinal keyways. | 03-14-2013 |
20130139330 | METHOD FOR BUILDING OVER AN OPENING VIA INCREMENTAL LAUNCHING - Methods and systems for building a stress ribbon structure over an opening via incremental launching, a construction fixture, a support structure, an anchorage panel, and a stress ribbon structure are disclosed. Construction fixtures are constructed adjacent to a support structure. The stress ribbon structure is constructed in a staging area and in sections that are suspended between the construction fixtures. Anchorage panels at each end of a section engage a blister on the construction fixtures and the support structure. Completed sections are launched from the construction fixtures onto and along the support structure. Sections are individually constructed and launched and adjacent sections abut along a lateral edge. Adjacent sections are aligned by adjusting tension in integral support cables and their ends pivot or rotate about the blisters via a bearing system with both rotational flexibility and low friction to support sliding in the direction of launching. | 06-06-2013 |
20130174360 | Aligned support bridge - A bridge deck suspended from a support beam where the deck describes a laterally curved shape, for example an arch having an apex between two deck ends. The support beam describes a laterally curved shape similar to that of the deck, for example an arch having an apex and two ends opposite to the apex that are secured in a base (foundation) in the ground. The support beam is generally inclined from the support's base foundations to the apex at an angle sufficient to position the support above the deck. The support's relative position, dimensions and shape are such that the majority of the supporting beam is above and approximately horizontally aligned with corresponding points of the deck, thereby allowing suspension cables to extend near vertically between attachment points on the support beam and corresponding attachment points on the aligned portions of the deck. | 07-11-2013 |
20130269125 | Continuous CFRP Decked Bulb T Beam Bridges For Accelerated Bridge Construction - A pre-stressed concrete bridge using longitudinal load members of a single continuous beam including at least two types of concrete, one of which is ultra-high-performance concrete (UHPC) mix with a compressive strength exceeding 20 ksi and tensile strength exceeding 1.5 ksi in a region proximate to the support structure. | 10-17-2013 |
20140109325 | Floor Slab Structure for Bridge - The present disclosure relates to a floor slab structure for a bridge, the structure comprising: a girder-integrated floor slab having a girder member which is supported on a pier and supports a floor slab member, and which integrally protrudes from the lower surface of the floor slab member, multiple floor slab members being arranged to be connected in longitudinal and transverse directions; and a side barrier-integrated floor slab having a side bather member which integrally protrudes from the upper surface of one side of the floor slab member, multiple floor slab members being arranged to be connected in longitudinal and transverse directions. Accordingly, on-site work is minimized, the construction process for a bridge superstructure is simplified, the construction time period is shortened, the construction costs are significantly reduced, and the construction of skew bridges or curved bridges is simplified. | 04-24-2014 |
20140130271 | INTEGRATED BALLAST MAT - A protective coating system for a railway structure having a waterproof membrane and a ballast mat. The waterproof membrane is disposed on the railway structure. The ballast mat further has a ballast protection coating and a sealing layer. The ballast protection coating is a rubber compound and is disposed on the waterproof membrane. The sealing layer is disposed on the ballast protection layer. | 05-15-2014 |
20140165305 | BRIDGE CAP INSTALLATION SYSTEM AND METHOD - A lifting device is configured to support a bridge cap when lifting the cap onto columns under a bridge deck. The lifting device includes an upper bracket arm configured to extend over an upper surface of the deck, and a lower bracket arm configured to extend under a bottom surface of the deck, and to selectively engage the cap at opposite ends of the cap. A side bracket portion connects the lower and upper arms, and is configured to transmit a force associated with a weight of the cap to the upper arm. The upper and lower arms and the side bracket portion are configured to define an open space extending from free ends of the upper and lower arms to the side bracket portion. The space is configured to receive the deck when the lifting device is supporting the cap as the cap is being lifted onto the columns. | 06-19-2014 |
20170233961 | SLAB BRIDGE STRUCTURE | 08-17-2017 |
014730100 | Joint | 6 |
20080196183 | Large Resisting Distortion and Modularized Comb-Type Bridge Expansion Joint - A large resisting distortion and modularized comb-type bridge expansion joint, comprises at least two modules located parallel in the direction of a bridge's width, and each module includes a fixed comb plate ( | 08-21-2008 |
20110225746 | Prefabricated steel bridge or viaduct structure - A prefabricated steel bridge or viaduct structure, which is formed essentially of three blocks fabricated and pre-assembled in factory, and assembled together to the construction site. Once the blocks mounted thereon the concrete pillars, a surface drain for evacuating water is installed thereof to be casted therein a concrete slab and after covered from asphalt with drip slope. | 09-22-2011 |
20140143961 | MODULAR RAMP CONSTRUCTION AND WEDGE ELEMENTS HEREFORE - The present invention relates to a modular ramp constructions that facilitate the passage of objects over obstacles on a surface such as a doorstep or a flight of stairs. Specifically the present invention relates to a construction that facilitates the passage of a wheelchair or other appliances used by physically handicapped persons over such obstacles. The construction comprises wedge elements ( | 05-29-2014 |
20140345069 | PREFABRICATED BRIDGE - Bridge including a bridge deck extending in a bridge direction or longitudinal direction of the bridge, and two prefab bridge railings situated on the longitudinal side of the bridge deck, wherein the bridge deck is substantially formed by one or more slabs spanning the bridge width, wherein the bridge railing includes a lower girder provided with a bearing, particularly a bearing edge, for a longitudinal edge strip of the bridge deck. | 11-27-2014 |
20150113745 | WATERPROOF EXPANSION JOINT - A waterproof expansion joint comprises a ballast protection plate and at least one locating device configured to retain the ballast protection plate over a deck joint. A flexible sealing member located below the ballast protection plate can include at least one flange portion and at least one expansion feature. Each expansion feature can include a shape preformed into the flexible sealing member extending downward into the deck joint and configured to deflect, enabling variation in the width of the flexible sealing member to match the width of the deck joint. | 04-30-2015 |
20160115657 | WATERPROOF EXPANSION JOINT - A waterproof expansion joint comprises a ballast protection plate and at least one locating device configured to retain the ballast protection plate over a deck joint. A flexible sealing member located below the ballast protection plate can include at least one flange portion and at least one expansion feature. Each expansion feature can include a shape preformed into the flexible sealing member extending downward into the deck joint and configured to deflect, enabling variation in the width of the flexible sealing member to match the width of the deck joint. | 04-28-2016 |