Bridge Girder Launcher Integrating Carrying and Erecting ...
2020-4-14u2002·u2002HZQDY900 bridge girder launcher integrating carrying and erecting is a kind of device used for the lifting, transporting and erecting 900t box girder for hing-speed railway and passenger dedicated line. The machine can pass the tunnel of two lines with the whole concrete box girder 20m, 24m and 32m.There are lots of methods for it to erect girder in the entrance of the tunnel, …
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