Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a spliced bridge and a construction method thereof. The spliced bridge comprises a fabricated prestressed concrete split small box girder bridge, a fabricated concrete T girder bridge and a cast-in-place connecting plate; a bridge which is spliced in different structural forms and is entirely stressed is formed by properly reconstructing an original structure, such as detaching an original bridge edge barrier, removing an asphalt pavement layer and a concrete pavement layer, and removing a flange plate and retaining transverse stressed steel bars, to meet requirements on splicing, binding steel bars distributed in the fabricated prestressed concrete split small box girder bridge and steel bars of an original structure integrally to form a steel bar framework, and pouring the cast-in-place connecting plate. The spliced bridge and the construction method thereof have the advantages that (1) the reconstructing mode of the original bridge is simple, and the cast-in-place connecting plate is simple in structure, reliable in connection and convenient to construct; (2) the bearing capacity of a newly built part is high, the building height is lower than that of the original bridge, and the structural design difficulty is reduced.
The invention discloses a spliced bridge and a construction method thereof. The spliced bridge comprises a fabricated prestressed concrete split small box girder bridge, a fabricated concrete T girder bridge and a cast-in-place connecting plate; a bridge which is spliced in different structural forms and is entirely stressed is formed by properly reconstructing an original structure, such as detaching an original bridge edge barrier, removing an asphalt pavement layer and a concrete pavement layer, and removing a flange plate and retaining transverse stressed steel bars, to meet requirements on splicing, binding steel bars distributed in the fabricated prestressed concrete split small box girder bridge and steel bars of an original structure integrally to form a steel bar framework, and pouring the cast-in-place connecting plate. The spliced bridge and the construction method thereof have the advantages that (1) the reconstructing mode of the original bridge is simple, and the cast-in-place connecting plate is simple in structure, reliable in connection and convenient to construct; (2) the bearing capacity of a newly built part is high, the building height is lower than that of the original bridge, and the structural design difficulty is reduced.
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