A few floors from now, the top of the core can not be reached by the arm of a truck-pump any more.
Then, the entire pumping must be done via risers in the core, with (in future) boosters at certain heights.
The concrete trucks will then deliver their loads at an undloading pit.
Technically no problem, as it was done at the Burj Khalifa up to 600 metres...
Also the floors will be concreted via the core pumps.
So the core can never grow really much faster than the floors.
Last edited by Marc from Rotterdam; Feb 8, 2013 at 10:53 AM.
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