A cylindrical column is required to support a roof over an atrium. The column is 21m high with no supports in the middle but supports the centre of a pyramid shaped covering of the atrium. The weight of the roof is 12 tonnes and the column is cylindrical in shape with a constant diameter. It is made from same reinforced concrete used in f(i) above What is the minimum diameter needed for this column?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A cylindrical column is required to support a roof over an atrium. The column is 21m high with no supports in the middle but supports the centre of a pyramid shaped covering of the atrium. The weight of the roof is 12 tonnes and the column is cylindrical in shape with a constant diameter. It is made from same reinforced concrete used in f(i) above What is the minimum diameter needed for this column? 

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