Gantry cranes: Single girder& double girder gantry cranes ...
Single girder vs. Double girder gantry cranes. Single girder gantry crane is usually adopted box shaped gantry girder design with the features of simple structure easy manufacturing and installation, and light self-weight. Compared with double-girder gantry cranes, the overall stiffness of single girder gantry crane is weaker and usually used when the loads Q≤50 ton and the span …
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