Honeycomb type bridge girder launcher

How to Construct Upslope Bridge and Downslope Bridge?

FAQ Dec 25, 2012 2 Comments

Bridge girder launcher is a non-standard special equipment for bridge construction. For different bridges, it has different ways to adapt to them. About upslope bridge and downslope bridge, it can meet their demands by following below tips:

bridge girder launcher

bridge girder launcher

●Construct upslope bridge

After assembling the bridge girder launcher, adjust the height of middle support leg and rear bracket according to bridge gradient. Before the bridge girder launcher moves longitudinally, lower the height of rear support leg, increase the height of rear bracket, make the gradient of main longitudinal girder < 0.5%, hang a winch at front part of the bridge girder launcher to avoid the machine gliding down as moving. After the front support leg is in position, adjust the height of front support leg and level the bridge girder launcher according to the height of middle support leg, then installing girders

●Construct down slope bridge

It is same to construct down slope bridge as constructing upslope bridge. Before the bridge girder launcher moves longitudinally, lower the height of rear bracket, increase the height of middle support leg, make the gradient of main longitudinal girder < 0.5%, hang winch at rear part of the bridge girder launcher to avoid the machine gliding down as moving. After the front support leg is in position, adjust the height of front support leg according to gradient, add short sleeve between inner sleeve and connection beam as there is a large slope, and add necessary connection support, level the bridge girder launcher, then install girders

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