Double line box girder downward mobile formwork bridge fabrication machine and construction method thereof
The invention discloses a downlink-typed movable formwork bridge fabrication machine used for dual-line box girders in passenger-dedicated line (PDL) of railway and a construction method thereof. The main beam of the bridge fabrication machine adopts two parallel groups of left and right main truss...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a downlink-typed movable formwork bridge fabrication machine used for dual-line box girders in passenger-dedicated line (PDL) of railway and a construction method thereof. The main beam of the bridge fabrication machine adopts two parallel groups of left and right main truss structures; the front end and the rear end of each group of main truss are respectively connected with a front guiding beam and a rear guiding beam; the upper sides between the two main trusses are fixed and connected by a plurality of sway bracings and the lower sides are connected with a plurality of lower carrying-pole beams; a beam-hoisting machine which can move along the longitudinal direction of the main truss is erected above the main truss; the two main trusses are supported on the two adjacent piers by a longitudinal and transverse slide carriage. The construction method of the invention adopts precast segmental girders in beam fields beside a bridge; concrete is cast in-situ after the segmental girders a |
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