Item Parameters
Model MZ900S move support system (upstroke)
Bridge building machine with traveling shuttering (upstroke)
Building construction method Cast in-situ concrete every span
Overall plan Upper support on bridge deck, two transversal girders sling mold base.
Applicable bridge span Span shorter than 32.7m, girder weight less than 900t double-track whole-span prestressed concrete box girder (simply supported or first simply supported then continuously prestressed)
Applicable longitudinal grade 2.0%
Applicable curve radius Longer than 1500m
Requirements on surrounding wind pressure 150N/m2 Allowable max wind pressure when moving
Allowable max wind pressure when casting
(otherwise being anchored) 800N/ m2
Mantle and dismantle bridge structure Adopt hydraulic oil tank
Max support reaction of front main leg 2x377t
Max support reaction of back main leg 2x322t
Max support reaction of front auxiliary leg 2x50t
Total capacity About 95kw
Power 4AC 380V 50Hz
Walk rate 0~1.5m/min
Weight About 530t (excluding mold at the abutment）
Designed construction period 12days/span