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.

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

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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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