Design a pretensioned roof pull-in to suit the data Fcu, concrete cube – McqOptions

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1.	Design a pretensioned roof pull-in to suit the data Fcu, concrete cube strength = 50n/mm2, effective span = 6m, applied load = 5kn/m, dead load = 1.4, live load = 1.6, = 0.125, k = 7.5, Dc = 2400, and determine ultimate moment and shear?
A.	42 and 27.75
B.	54 and 27.75
C.	34 and 27.75
D.	20 and 28
Answer» B. 54 and 27.75

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Design a pretensioned roof pull-in to suit the data Fcu, concrete cube strength = 50n/mm2, effective span = 6m, applied load = 5kn/m, dead load = 1.4, live load = 1.6, = 0.125, k = 7.5, Dc = 2400, and determine ultimate moment and shear?