Quote:
Originally Posted by PittsburghPA
This may be a dumb question, but what will they do with the void in the floorplates when it's time for the tower crane to come down? Wouldn't it make sense to build the tower crane in an elevator shaft?
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The holes from the crane will usually be filled in like the bracing in the garage. They put some stubs of rebar in and pour that small section of floor. Can't be that easy considering how many projects go to great lengths to mount the crane on the outside - sometimes cantilevering it out over the sidewalk.
The elevator shafts are constructed using climbing forms, a crane through the middle would be a tight fit. There is however a style of crane that climbs up the elevator shaft a few pours behind the forms.