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Re: limits for expansion joints

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I understand that by "tower" you mean a high rise building.
Providing expansion joint to split the building into two 50m X 70m or four 35m X 50m towers is certainly a good idea. But if you are in zone 2 or above, the separation requirements as you go above 10th floor become really prohibitive (specially in buildings relying on moment resisting frames).
Perhaps it would be best to avoid joints and design the tower for induced thermal / shrinkage stresses.
----- Original Message -----
From: Amir Gomma
Sent: Wednesday, April 26, 2006 3:56 PM
Subject: limits for expansion joints

 i am designing a tower with dim . 100 x 70 meter . should i make an expansion joint . and what is the limited length for that in ACI

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