A floor system consists of a 80mm concrete slab supported by continuous T beams with a span 7.3 m span, 1.2 m on centers. Web dimensions, as determined by negative moment requirements at the supports, are bw = 280 mm and d= 500 mm.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A floor system consists of a 80mm concrete slab supported
by continuous T beams with a span 7.3 m span, 1.2 m on
centers.
Web dimensions, as determined by negative moment
requirements at the supports, are bw = 280 mm and d=
500 mm.
What tensile steel area must be provided at midspan to
resist a factored moment of 723 kN-m?
fy= 400 MPa, fck = 21 MPa
Transcribed Image Text:A floor system consists of a 80mm concrete slab supported by continuous T beams with a span 7.3 m span, 1.2 m on centers. Web dimensions, as determined by negative moment requirements at the supports, are bw = 280 mm and d= 500 mm. What tensile steel area must be provided at midspan to resist a factored moment of 723 kN-m? fy= 400 MPa, fck = 21 MPa
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