When you look at a tall tower crane, the whole thing seems outrageous -- why don't these structures fall over, especially since they have no support wires of any kind?The first element of the tower crane's stability is a large concrete pad that the construction company pours several weeks before the

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Contact us: www.symtowercrane.com/www.symtowercrane.net Email:enquiry@symtowercrane.com Tel:0086-24-84317130

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A typical tower crane has the following specifications:Maximum unsupported height - 265 feet (80 meters) The crane can have a total height much greater than 265 feet if it is tied into the building as the building rises around the crane.Maximum reach - 230 feet (70 meters)Maximum lifting power - 19.

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Tower cranes arrive at the construction site on 10 to 12 tractor-trailer rigs. The crew uses a mobile crane to assemble the jib and the machinery section, and places these horizontal members on a 40-foot (12-m) mast that consists of two mast sections. The mobile crane then adds the counterweights.Th

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