Patents in subclass Bridges/Bridge Construction Method

Parent class: Bridges


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Number Patent title Issue Date
07401371 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...
07/22/2008
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
07363671 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...
04/29/2008
07296317 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...
11/20/2007
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
07210183 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...
05/01/2007
07159262 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...
01/09/2007
07146672 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...
12/12/2006
07131161 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...
11/07/2006
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
07013520 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...
03/21/2006
07010824 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...
03/14/2006
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
07003835 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...
02/28/2006
06918152 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...
07/19/2005
06895623 Pier system and method of construction

A a pier system having at least one shelf beam which has a side panel and a shelf member, the shelf member supporting a decking unit, and a method for constructing the pier system. The decking unit may also be supported by connecting...
05/24/2005
06892409 Portable bridge apparatus

A bridge is provided with at least five segments connected in series. Each segment includes two opposed ends. The ends of adjacent segments are in pivoting connection with respect to each other. The bridge also comprises a plurality of...
05/17/2005
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
06851149 Lift-slide drawbridge

This invention relates generally to a drawbridge apparatus for reversibly spanning from a first base to a second base, and more particularly to a cantilever drawbridge with an initial vertical motion of the bridge deck then a sliding or...
02/08/2005
06795992 Bridge construction method

A method for constructing an underpass below a first section of a pre-existing first way where a first quantity of debris must be removed from an underpass space below the first section to form the underpass and enable passage of traffic...
09/28/2004
06792638 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...
09/21/2004
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
06728987 Method of adjusting the vertical profile of a cable supported bridge

A method of modifying the vertical profile of a cable supported bridge. The method consists of sequentially adjusting a lower end of a series of supporting cables downward relative to the bridge superstructure and sequentially adjusting...
05/04/2004
06721985 Intelligent public transit system using dual-mode vehicles

A method of constructing an elevated roadway, utilizing a crane having an articulated boom arm and a gripping mechanism, at the end of the arm for gripping a pylon, below a roadway cradle of the pylon, in order to temporarily transfer...
04/20/2004
06701564 System and 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...
03/09/2004
06698053 Method for seismically reinforcing a reinforced concrete frame

A reinforced concrete frame is seismically reinforced by cutting a main reinforcement bar of a reinforced concrete member so as to shift a failure property of the reinforced concrete member from a shear failure preceding type to a bending...
03/02/2004
06588160 Composite structural member with pre-compression assembly

A composite structural member with pre-compression assembly. The apparatus comprises a plurality of longitudinally extending composite units. Each composite unit comprises a plurality of longitudinally extending girders or beams disposed...
07/08/2003
06574818 Provisional bridge of prefabricated elements

A metal bridge includes at least two longitudinal girders connected by a plurality of transversal spacers and on which rests a platform. Each longitudinal girder is built by butt-jointing a number of prefabricated metal elements in the...
06/10/2003
06543077 Elevated bridge infrastructure and design method for designing the same

A method for designing a seismic frame. Models of a reinforced concrete rigid frame and a seismic frame structure, respectively, are provided. Based on distances between components and damper load displacement in the seismic frame...
04/08/2003
06490745 Continuous composite steel girder bridge constructed by applying a temperature gradient and method for constructing the same

The present invention is to provide a continuous composite steel girder bridge using an apparatus to provide a temperature gradient to the steel girder (2) by circulation hot water. The apparatus is comprised of: a hot water circulation...
12/10/2002
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
06446292 Mobile bridge and method of making same

A lightweight mobile bridge has upper belts and/or lower belts made of composite fiber materials. The belts provide for longitudinal tensile support for vertically extending side walls formed with shear ribs made of metal.
09/10/2002
06425157 Elevated bridge infrastructure design method

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...
07/30/2002
06421863 Portable bridge footings and abutments

A portable bridge footing and abutment for supporting bridge decks on soils of insufficient bearing capacity or high water tables or both. The bridge footing includes a riser having a bearing plate, a vertical restraint, and at least one...
07/23/2002
06416258 Ground advance shoring system

This invention is related to a ground advance shoring system and the construction method using such a system. The system of this invention comprises a railway assembly for being set up on a ground; at least one movable device disposed on...
07/09/2002
06412132 Methods for constructing a bridge utilizing in-situ forms supported by beams

A method for constructing a bridge includes the steps of disposing a bridge form and a connected support structure over an area to be spanned by the bridge. Next, concrete is poured into the bridge form. Finally, the support structure is...
07/02/2002
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
06374445 Tension rod for use as a chord for bridges

Tension rod for use as a chord for bridges, having a middle part consisting of fiber composite material and having ends consisting of metallic material. The middle and end parts are connected by a glued tapered overlap.
04/23/2002
06345403 Method of bridge construction using concrete diaphragms

The invention provides precast concrete diaphragms for placement between the longitudinal beams of a bridge. Ends of the diaphragms have pockets to receive concrete for tight joints between longitudinal bridge beams and the diaphragms....
02/12/2002
06338175 Movable safety tunnel for use during bridge maintenance

A movable safety tunnel rides on parapets within a bridge. The safety tunnel is locked in place in a respective section of the bridge while maintenance or other operations are performed on that section of the bridge. This allows the...
01/15/2002
06301736 Elevated suspended guideway

Suspension cables for an elevated lightweight guideway are arranged so that high-speed traffic along the guideway is not subjected to guideway-induced oscillation. Furthermore, suspension cables are interconnected so that pre-assembled...
10/16/2001
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
06205605 Method of construction of a vault, bearing piece and half-shell for construction of the vault

Method of construction of a vault, in which at least two half-shells (1-8; 60) are brought to bear against one another by means of at least two bearing pieces (30, 50; 70) which are mated and, each half-shell (1-8; 60) comprising an upper...
03/27/2001
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
06170106 Movable safety tunnel for use during bridge maintenance

A movable safety tunnel rides on parapets within a bridge. The safety tunnel is locked in place in a respective section of the bridge while maintenance or other operations are performed on that section of the bridge. This allows the...
01/09/2001
H001872 Modular fiber reinforced plastic enclosed bridge

A method for fabricating a fiber reinforced composite bridge module is described which in one preferred embodiment includes the steps of selecting a cross-sectional shape for the bridge module defined by an outer substantially tubular...
10/03/2000
6120208 Prefabrication type high level road structure and construction method thereof

An improved prefabricated elevated highway structure and a construction method thereof by which an elevated highway can be more easily and rapidly constructed without causing traffic congestion at a construction site, which highway...
09/19/2000
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

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