Double Girder Gantry Crane Selection for Heavy Precast Components
For heavy precast components, a double girder gantry crane should be selected based on the actual load, lifting geometry, component dimensions, required lifting height, span, duty cycle, and site conditions—not simply the rated weight of the heaviest precast element. The key checks are safe working load, hook approach, lifting height, span, trolley and hoist configuration, … Read more