The_post_tensioned_members_in_dry_atmospheric_conditions,_the_shrinkag – McqOptions

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1.	The_post_tensioned_members_in_dry_atmospheric_conditions,_the_shrinkage_may_be_increased_by:$
A.	50%
B.	70%
C.	30%
D.	100%
Answer» B. 70%

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A concrete beam is prestressed by a cable carrying an initial prestressing force of 300kn, area is 300mm2. Calculate the percentage of loss of stress due to shrinkage in pretensioned members?$