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| Number | Title | Issue Date |
| 8166596 | Construction method for girder in bridge, crane for pulling up girder, vehicle for carring girder, and girder used for the same A construction method for a girder in a bridge in which a plurality of piers are installed in an interval in a longitudinal direction of the bridge, a plurality of copings are installed on the piers, and a plurality of girders respectively installed between the pier... | 05/01/2012 |
| 8060966 | Method and apparatus for bridge construction The present invention is directed to a precast girder that is used as the outer-most lateral girder in a bridge superstructure. In one embodiment, the girder is comprised of a first flange, a second flange that is separated from the first flange, and a web that conn... | 11/22/2011 |
| 7996944 | Tilt-lift method for erecting a bridge One bridge pier, two bridge girders and two supporting rods are manufactured in an approximately vertical position. The supporting rods are connected to the top of the pier and to the bridge girders. The bridge girders are brought into the horizontal final position ... | 08/16/2011 |
| 7996945 | 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 c... | 08/16/2011 |
| 7669272 | Method of launching bridge spans in bridge construction A method for spans launched, as self-supporting bridge beams, approximately horizontally from support structure to successive support structure without significant temporary false work or scaffolding between permanent support structures. Bridge spans assembled atop ... | 03/02/2010 |
| 7647664 | Mobile bridge of great length as a support construction for at least one transport means and method for operating same A mobile bridge of great length is a support construction for at least one transport means, which particularly avoids constraints and undefined stresses as a result of temperature variations and/or support lowering movements, for example, to the greatest possible ex... | 01/19/2010 |
| 7600283 | Prefabricated, prestressed bridge system and method of making same The prefabricated, prestressed bridge system comprises one or more prefabricated, prestressed bridge modules. Each module includes one or more steel beams arranged in a first direction on three or more supporting formwork elements that are arranged in a second direc... | 10/13/2009 |
| 7546656 | Method of installing prefabricated, segment concrete filled tube members A method of installing segmental concrete filled tube members. The prefabricated segmental concrete filled tube member has a hollow pipe filled therein with concrete, and a connection flange shaped in a ring radially extending from the peripheries of both ends of th... | 06/16/2009 |
| 7520014 | Method and apparatus for bridge construction The present invention is directed to an apparatus for use in constructing a bridge comprised of a superstructure and a substructure that supports the superstructure and is comprised of foundations and piers. In one embodiment, the apparatus is comprised of a truss s... | 04/21/2009 |
| 7478450 | Longitudinally offset bridge substructure support system This invention provides a novel construction method to longitudinally offset a traditional bridge substructure to a desired location by utilizing unconventional link-support or alternative support systems. This invention describes an approach to achieve longer span ... | 01/20/2009 |
| 7475446 | Bridge system using prefabricated deck units with external tensioned structural elements A bridge system comprised of prefabricated deck units spaced along longitudinal load-carrying members. Tensioned structural elements are external to a plurality of the prefabricated deck units and produce longitudinal axial compression in these units. The tensioned ... | 01/13/2009 |
| 7461427 | Bridge construction system and method A system and method for construction of bridges and elevated roadways with pre-stressed concrete or steel bridge girders is provided including cast-in-place concrete deck slabs and partial and full depth pre-stressed pre-cast concrete deck slabs with post-tensioning... | 12/09/2008 |
| 7441295 | Pallet-ramp coupling apparatus and method An apparatus, system, and method are disclosed for integrating the steps of securing and aligning a ramp to the pallet. A pallet mounting bracket secures to a pallet and mates with a corresponding ramp mounting bracket secured to a ramp. A pallet mounting bracket in... | 10/28/2008 |
| 7428765 | Passenger boarding bridge stabilizing apparatus and method therefor Passenger boarding bridges have adjustable walkways that are elevated high above the ground when servicing aircraft doorways. Passenger safety is improved by automatically stabilizing the passenger boarding bridge when it is in an aligned condition. A method for aut... | 09/30/2008 |
| 7415746 | Method for constructing a self anchored suspension bridge A method for constructing a suspension bridge in places where it is not feasible to construct permanent earth anchorages land at either or both ends of the suspension bridge span is disclosed. The method of constructing the self-anchored suspension bridge comprises ... | 08/26/2008 |
| 7401371 | Method and installation for constructing an expressway A method and installation for constructing highways. The object is to extend operational capabilities of a mobile installation for constructing a highway in a space-limited environment without reducing the traffic intensity and construct the highway above an existin... | 07/22/2008 |
| 7373683 | 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 clearance and long span are constr... | 05/20/2008 |
| 7363671 | Method of moving a component underneath a bridge assembly with a cable A method of using a cable to move a component underneath a bridge assembly. The bridge assembly includes an access area through which the connection between the component and the cable may be moved. The method includes connecting the component to the cable, using th... | 04/29/2008 |
| RE40064 | Structure of floor slab bridge A construction of a floor slab bridge includes a plurality of columnar H-shaped steels each disposed between adjacent bridge legs and arranged in side-by-side relation with an end face of a lower flange abutted with a corresponding end face of the adjacent columnar ... | 02/19/2008 |
| 7296317 | Box beam bridge and method of construction An improved box beam bridge and a method of construction are disclosed. The box beam bridge comprises a plurality of box beams for each lane structure of the bridge. Each of these lane structures are separately secured together and post-tensioned by means of a compo... | 11/20/2007 |
| 7243471 | Friction stir welding method, and hollow shape member for friction stir welding Face plates 11 and 12 of a hollow shape member 10 are abutted against face plates 21 and 22 of a hollow shape member 20. Grooves 18 formed to said face plates 11 and 12 at the abutted region receive proj... | 07/17/2007 |
| 7243474 | Methods and apparatus for forming and placing generally horizontal structures One embodiment of the present invention provides for a method of placing a concrete structure in a generally horizontal position. The method includes building the concrete structure in an essentially vertical position, the concrete structure being defined by a first... | 07/17/2007 |
| 7240389 | 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 construction technique, the center... | 07/10/2007 |
| 7226247 | Method and apparatus for creating soil or rock subsurface support A subsurface support includes a protective outer member that encases an interior support member. The inner support member may typically be a steel or iron rod which is held within the outer tube as by grout or cement. The outer tube is preferably emplaced by forcing... | 06/05/2007 |
| 7210183 | Method and installation for building a highway and a highway The invention relates to a method and installation for constructing highways. The object of the invention is to extend operational capabilities of a mobile installation for constructing a highway in space-limited enviroment without reducing the traffic intens... | 05/01/2007 |
| 7191528 | Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i... | 03/20/2007 |
| 7178303 | Friction stir welding hollow frame member This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantiall... | 02/20/2007 |
| 7159262 | Bridge overhang bracket An overhang bracket has a top member, a side member and a diagonal member. The side and top member may be connected together through a removable connecter. A guardrail post holder allows a guardrail post to be installed at a variety of angles to the top member. Rota... | 01/09/2007 |
| 7146672 | Tunable load sharing arch bridge A method and apparatus for adjusting the live and dead load balance between the arches of an arch bridge and the truss girder that supports the bridge deck. The method is achieved by providing a tension equalizing member across the bottom chord of the truss girder w... | 12/12/2006 |
| 7131161 | Fiber reinforced polymer composite bridge deck of tubular profile having vertical snap-fit connection A fiber reinforced polymer composite deck module is used to form a deck constructed by assembling the deck modules. The deck module comprising an upper plate having an upper extension at its one side, a lower plate having a lower extension at its one side opposite t... | 11/07/2006 |
| 7131238 | Method of testing seismic braces Braces for bracing objects in structures against forces due to earthquakes are tested by subjecting components of the braces for attaching the braces to the object or structure to cyclic loading of approximately 15 cycles. The cyclic forces are applied to different ... | 11/07/2006 |
| 7069614 | 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 members and at least one gen... | 07/04/2006 |
| 7055251 | Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i... | 06/06/2006 |
| 7027899 | Electronic drawbar To minimize headways between trains at stops in short-distance rail transport systems, an electronic drawbar is proposed which makes it possible to cause a following train to approach a train ahead up to a few meters and to follow at this distance in an electronical... | 04/11/2006 |
| 7013520 | Method for positioning a pile cap underneath an existing elevated bridge assembly A system and method for inserting pre-cast concrete pile caps under wooden railroad bridges without removing essential load bearing rails, cross-ties, and stringers is disclosed. The system and method minimizes the time that the track is closed to normal rail traffi... | 03/21/2006 |
| 7010824 | Method for anchoring parallel wire cables and suspension system for a construction work The structural cable (2) to be anchored, such as a main suspension cable or a stay cable, is made of a compact bundle of parallel metallic wires. The cable wires are distributed into seven-wire units (18) in a portion of the cable adjacent to an anchor... | 03/14/2006 |
| 7003837 | 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 so that the bolt hole of th... | 02/28/2006 |
| 7003835 | Cable-stay cradle system A cable-stay cradle system (“cradle system”) for cable stayed bridges is mounted onto a cable stay, the opposite ends of which are attached to anchors on a bridge deck. The cradle system is disposed along the length of the cable stay and located in a pre-formed ... | 02/28/2006 |
| 6955134 | Vessel, provided with a gang plank for coupling to an offshore pole structure A vessel provided with a telescopingly extendable gang plank mounted thereon for movement about a vertical axis. A coupling device provided at the free end of the gang plank is adapted to enclose a vertically directed engagement rod on an offshore pole body and thus... | 10/18/2005 |
| 6918152 | Collapsible bridge and method of laying same A collapsible bridge and laying method for a collapsible bridge where bridge girders are pushed over an obstacle by way of a laying beam positioned in front of the obstacle to be bridged. Rollers and roller carriers carrying the rollers are fastened to the bridge gi... | 07/19/2005 |
