This Insane 580 Ton SLJ900/32 Bridge Girder Erection Monster Machine Eliminates The Need For Cranes
Here is the ultimate machine for building bridges. That’s the latest technology developed by Chinese engineers. With this hell of a machine, the need for tip-happy cranes is actually eliminated. In the video that you are going to watch you will see a massive bridge girder erector in action. The video was shot in China and shows how to complete a segment of rail bridge. In a few words the machine places a beam between support pillars. The name of this revolutionary machine is SLJ900/32. It weighs exactly 580 tons and is 300 feet in length. The machine was designed and built by the Shijiazhuang Railway Design Institute in China.
The video was filmed by the company that gave birth to SLJ900/32. The bridge that is under construction in the video is the one that now connects the cities of Chongqing and Wanzhou. When you first have a look at ‘how it works’, you might think that this new bridge-building process is too complicated. But later you will realise that it is actually brilliantly simple. The machine could be useful when the pillars have already been erected. That’s the only step of the building process that is not automated by the machine. When this stage is completed, the machine simply picks up new beams from the casting yard and then SLJ900/32 extends out to the next closer pillar some distance away.
You will see how the machine extends itself right after it is stabilized by the support structures.
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Basically that’s pretty much the process – the machine takes a beam, then extends itself to the next pillar, place and secure the beam and then go back for another beam.