Patents in subclass Bridges/Girder
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 07373683 | Construction method for prestressed concrete girder bridges A construction method for simple bridges or continuous bridges using prestressed concrete girder (PSC girder) and precast slabs (PSC slabs) where prestress is applied to the lower portion of the center of the girder. bridges of low... |
05/20/2008 |
| 07373760 | Floor structure A floor structure comprises a plurality of steel beams 4 arranged in parallel, each steel beam 4 including a web, an upper flange disposed at an upper end of the web, and a lower flange disposed at a lower end of the web, a floor surface... |
05/20/2008 |
| 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 |
| 07240389 | Method of constructing partially earth-anchored cable-stayed bridge using thermal prestressing technique Disclosed is a method of constructing partially earth-anchored cable-stayed bridges using a thermal prestressing technique, in which, when a steel girder-type partially earth-anchored cable-stayed bridge is built using a cantilever... |
07/10/2007 |
| 07069614 | Modular span multi-cell box girder bridge system A bridge is constructed using simply structured, longitudinal, modular deck sections or cells that are fabricated in a shop and shipped to the jobsite for quick assembly and erection. Each section has generally horizontal upper and lower... |
07/04/2006 |
| 07003837 | Bridge construction system A method of constructing a bridge including forming a concrete slab remote from the bridge, the slab having a side with at least one bolt hole therein, orienting the side of the concrete slab substantially parallel to the side of a girder... |
02/28/2006 |
| 06857156 | Modular bridge structure construction and repair system A modular structure construction and repair system for use in new bridge construction and old bridge repair. The invention comprises a plurality of prefabricated modules which have a plurality of longitudinally extending beams and deck... |
02/22/2005 |
| 06751821 | Prestressed concrete girder of adjustable load bearing capacity for bridge and adjustment method for load bearing capacity of bridge A prestressed concrete girder having an adjustable load bearing capacity includes a concrete girder including an upper flange, and at least one non-attached steel wire installed in the upper flange of the girder and extending in a... |
06/22/2004 |
| 06493895 | Truss enhanced bridge girder A truss for distributing a maximum bending moment normally occurring at a midpoint region of a girder (430) includes a first truss segment member (505) having first and second ends, a second truss segment member (420) having first and... |
12/17/2002 |
| 06470524 | Composite bridge superstructure with precast deck elements A method for constructing a composite bridge superstructure of simple precast elements. According to the method, the bridge superstucture is comprised of one or more prestressed beams aligned substantially parallel to the bridge... |
10/29/2002 |
| 06381793 | Composite deck system and method of construction Elongated composite deck sections or panels are formed by pultruding a plastics resin material with multiple layers or mats of glass fibers and longitudinally extending unidirectional fibers to form a base wall integrally connecting... |
05/07/2002 |
| 6151743 | Structural panel for bridging between spaced supports A method for forming a structural panel such as for a bridge deck includes providing a first and a second sheet formed by fibers and settable resin and laminating the sheets with a plurality of parallel side by side connection members.... |
11/28/2000 |
| 6145270 | Plasticon-optimized composite beam system A composite beam system that can be used for the framing system in bridges or buildings and provide enhanced corrosion protection includes a fiber reinforced plastic beam shell with compression and tension reinforcement. The compression... |
11/14/2000 |
| 6081955 | Modular polymer matrix composite support structure and methods of constructing same A load bearing support structure in the form of a traffic-bearing highway bridge including at least one modular structural section. The at least one modular structural section includes at least one beam, the at least one beam containing a... |
07/04/2000 |
| 6055693 | Railway short span trestle bridge A railway short span trestle is designed for quick erection at an installation site by assembly of a minimum number of parts. Those parts include a pair of spaced apart girders and whatever number of modular floor assemblies are required... |
05/02/2000 |
| 6023806 | Modular polymer matrix composite support structure and methods of constructing same A load bearing support structure in the form of a traffic-bearing highway bridge including at least one modular structural section. The at least one modular structural section includes at least one beam, the beam comprising a pair of... |
02/15/2000 |
| 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 |
| 6003183 | Modular bridge section A modular bridge section including one or more box girders, wherein at least one box girder 1, 1' is equipped with at least one lower chord structure 5, 5', which is mounted floatingly at or in the box girder 1, 1' in the loaded state... |
12/21/1999 |
| 5966764 | Roll beam girder system for bridges The roll beam girder system for bridges has beams constructed from two end sections and a keystone center section. The two end sections have a top rolled steel beam welded to a bottom rolled steel beam, the top beam comprising about... |
10/19/1999 |
| 5920937 | Covering apparatus for concrete bridge beams and pillars A system for covering and protecting the supporting structure of a bridge. The system is generally comprised of first plates positioned in covering relation over the top surface of the support pillars and second plates positioned in... |
07/13/1999 |
| 5893187 | Reinforcing structure for hinge section of gerber bridge A reinforcing structure for a hinge section of a Gerber bridge including first and second girders (10, 11) which are connected with each other through the hinge section, comprises reinforcing steels (13a, 14a) continuously established on... |
04/13/1999 |
| 5870789 | Precast bridges Bearing shoes that run under the abutment's axis with cradles whose precast walls are placed over the bearing shoe assembly, so that when the concrete is poured over these bearing shoes, an integral unit of the bearing shoe integrated... |
02/16/1999 |
| 5867855 | Method for connecting precast concrete girders A method for connecting precast concrete girders by tensioning temporary tendons lower than the neutral axes of girders, supporting the girders at the both ends, placing concrete into the gap, tensioning the tendons which connect adjacent... |
02/09/1999 |
| 5813070 | Chord section arrangement with lower chord with integrated guide groove of a bridge section that can be laid mechanically A bridge section made of light metal including a vertical web, an upper chord section connected to an upper end of the vertical web and a lower chord section connected to a lower end of the vertical web. The upper chord includes a... |
09/29/1998 |