Patents
Patents for E01D 21 - Methods or apparatus specially adapted for erecting or assembling bridges (6,388)
08/1987
08/18/1987US4687379 Method and apparatus for constructing elevated structures
08/13/1987DE3620587C1 Method and device for the construction of reinforced-concrete or prestressed-concrete bridge superstructures in sections
06/1987
06/10/1987CN86201711U Self-aligning shifting bearings for horizontal jack
06/04/1987DE3542050A1 Scaffolding for manufacturing superstructures
05/1987
05/21/1987DE3540028A1 Railway bridge
05/12/1987CA1221504A1 Bridge truss, bridge span including such trusses, and method of constructing the truss
05/05/1987US4662019 Method of erecting a cable stayed bridge
04/1987
04/28/1987US4660800 Bridge overhang bracket and hanger
04/28/1987US4660243 Method for erecting a bridge superstructure of prestressed concrete and launching girder for performing the same
03/1987
03/24/1987US4651375 Launching system for bridge bays, especially continuous-beam bridges made up of prefabricated segments and to be tightened upon installation by means of prestressed wires
03/19/1987DE3611753A1 Apparatus for the uniform raising and lowering and horizontal displacement of a structure
03/03/1987US4647257 Method and apparatus for constructing elevated structures
03/03/1987US4646379 Concrete deck truss bridge and method of construction
02/1987
02/26/1987DE3616109C1 Method of constructing a superstructure supported on an arched supporting framework
02/17/1987US4642830 Bridge truss, bridge span including such trusses, and method of constructing the truss
02/12/1987DE3527470A1 Device for manufacturing in sections a multi-span bridge supporting framework made of reinforced concrete or prestressed concrete
01/1987
01/28/1987EP0210010A2 Construction transportation system
01/15/1987DE3523944A1 Apparatus for moving heavy loads, e.g. parts of a structure, scaffolding or the like
12/1986
12/23/1986US4630798 Method and device for erecting building structures such as bridges, using pre-fabricated concrete beams
12/02/1986US4625354 Bridge with prefabricated sections and with external prestressing by cables
11/1986
11/25/1986US4624440 Adjustable formwork for concrete structures
08/1986
08/27/1986EP0192481A2 Transportation and construction method
07/1986
07/29/1986US4602399 Bridge transporting and launching trailer and method
07/16/1986CN85100679A Folding bridge crane with double beam
05/1986
05/28/1986EP0182753A2 Launching system, especially for continuous-beam bridges made up of prefabricated segments
12/1985
12/05/1985WO1985005389A1 Bridge transporting and launching trailer and method
07/1985
07/23/1985CA1190800A1 Method of and apparatus for mounting rails on a rigid rail beam
06/1985
06/12/1985EP0144271A1 Bridge truss, bridge span comprising such a truss, and method of constructing the span
05/1985
05/15/1985EP0141478A2 A method for forming a composite structural member
04/1985
04/23/1985US4512560 Apparatus for mounting rails on a rigid rail beam
03/1985
03/27/1985EP0134823A1 Apparatus for the section-by-section construction of a prestressed concrete superstructure of a bridge
03/13/1985EP0133850A1 Method and apparatus for constructing a prestressed concrete superstructure of a bridge
02/1985
02/05/1985US4497153 Method and device for erecting building structures such as bridges, using pre-fabricated concrete beams
12/1984
12/05/1984EP0127515A1 Preformed-segments bridge, prestressed by exterior cables, segments for this bridge and methods of producing them
10/1984
10/23/1984US4478773 Scaffolding girder for constructing multiple-span bridge structures movable from one bridge to another
03/1984
03/14/1984EP0102900A2 Launching gantry for girders between piers of bridges
02/1984
02/28/1984US4433525 Method and a device for extending the deck of a bridge or similar structures, with desk segments, using a cable stayed beam
01/1984
01/24/1984US4426949 Method for making elongate cast construction on the sea
01/03/1984CA1159608A1 Method and device for extending the deck of a bridge or similar structures with deck segments, using a cable stayed beam
12/1983
12/08/1983WO1983004274A1 Arrangement for casting in sections of a prestressed concrete bridge in accordance with the cantilever construction method
12/06/1983US4418791 Device for enhancing the versatility of cranes or the like
09/1983
09/20/1983US4405262 Method for erection of a temporary bridge, and a pile means therefor
12/1982
12/21/1982CA1137711A1 Deck construction
12/07/1982US4362120 Mobile platform or platform to be used as floating workshop
10/1982
10/05/1982US4352220 Method for the construction of a cable-stayed or rein-girth bridge
09/1982
09/28/1982US4351135 Length-adjustable structural unit
09/14/1982CA1131457A1 Method for erection of a temporary bridge, etc. and a pile means therefor
08/1982
08/24/1982US4345536 Vessel raising heavy structures
07/1982
07/28/1982EP0056422A1 Process and falsework for constructing bridges of reinforced concrete
06/1982
06/02/1982EP0053081A2 Method and apparatus for erecting a cantilevered section of a structure, particularly of a bridge deck, using precast segments, by means of a cable-stayed girder
05/1982
05/04/1982US4327656 Floating docks
03/1982
03/23/1982US4320548 Method of erecting a bridge girder
03/16/1982US4319374 Method of constructing a stayed girder bridge
02/1982
02/09/1982US4314773 High density concrete placer
08/1981
08/26/1981EP0034515A1 Use of autodestructive mixtures of resins and oxydant charges in the temporary bonding of constructional elements
08/11/1981US4282978 Bridge crane for the emplacement of elongate prefabricated members of structures spanning a multiplicity of spaced-apart supports
08/05/1981EP0032959A1 Method and falsework for constructing bridges of prestressed concrete
07/1981
07/23/1981WO1981002032A1 Method and centering for the construction of reinforced concrete bridges
07/22/1981EP0032418A1 Method and means for releasably rigidly fastening together beams and like profiles
07/22/1981EP0032417A1 A construction device, especially for supporting shuttering
07/15/1981EP0032132A2 Erection of a structure on piles
04/1981
04/07/1981US4259759 Concrete bridge girder support structure and cantilever erection method using same
03/1981
03/17/1981US4256415 Concrete vibrator machine
03/11/1981EP0024766A1 Barge or platform with jacking apparatus
01/1981
01/28/1981EP0023132A1 Deck construction
01/07/1981EP0021386A1 Construction element adjustable in length
10/1980
10/14/1980US4228114 Method for the construction of elongated concrete structures such as bridges and the like
09/1980
09/09/1980CA1085111A1 Method of constructing reinforced concrete bridges and bridges constructed thereby
05/1980
05/27/1980CA1078112A1 Method and apparatus for erecting a bridge structure
03/1980
03/11/1980US4192120 Method of constructing reinforced concrete bridges
12/1979
12/25/1979CA1068455A Stage construction of an elevated box girder and roadway structure
10/1979
10/30/1979CA1065107A1 Arrangement for the sectional cantilever projection of multi-panel bridge supporting structures of steel or prestressed concrete
09/1979
09/19/1979EP0004251A1 Method of building a load-bearing structure, device for carrying out the method and set of parts for constructing the device
02/1979
02/27/1979US4141668 Method and apparatus for erecting a bridge structure
12/1978
12/05/1978US4128359 Self-propelled concrete vibrator apparatus
10/1978
10/31/1978US4123485 Stage construction of an elevated box girder and roadway structure
10/31/1978US4123031 Improvements in concrete roadway-slab forming and form-elevation adjusting means
08/1978
08/01/1978US4103861 Arrangement for the sectional cantilever projection of multi-panel bridge supporting structures of steel or prestressed concrete
05/1978
05/02/1978US4087220 Apparatus for building a concrete bridge superstructure
02/1978
02/14/1978US4073115 Process for the production of a bridge girder sectional cantilever construction
11/1976
11/02/1976US3989219 Adjustable means connecting a deck member to a support
11/02/1976US3989218 Cantilever form used in bridge construction
10/1976
10/12/1976US3985480 Apparatus for the sectional cantilever construction of bridge girder systems
09/1976
09/28/1976US3982867 Construction deck elevation gauge and easy-out bolt assembly
09/14/1976US3979787 Method of supporting bridge structures and like heavy-weight rigid structures upon displacement thereof
08/1976
08/17/1976US3975476 Method for building a cable-stayed girder bridge
04/1976
04/20/1976US3950913 Method and apparatus for constructing a suspension bridge tower
02/1976
02/10/1976US3937165 Construction of bridge decking and like structures
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