A rectangular beam has a width of 285 mm and an effective depth of 520 mm. It is reinforced with 4 – 36 mm ø bars having fy =  430 MPa. If he compressive strength of the concrete is 28MPa, find the following   a. Location of the neutral axis from the top of the beam. b. Stress of the steel. c. Ultimate capacity of the beam?

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 12.7P: Estimate the transverse tensile strength of the concrete in Problem 12.6.
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A rectangular beam has a width of 285 mm and an effective depth of 520
mm. It is reinforced with 4 – 36 mm ø bars having fy =  430 MPa. If he compressive
strength of the concrete is 28MPa, find the following

 

a. Location of the neutral axis from the top of the beam.
b. Stress of the steel.
c. Ultimate capacity of the beam?

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