Q1/ A reinforced concrete beam has the following properties:Beam width (b)-300 mmBeam height (h)-600 mm•Effective depth (d) - 525 mm⚫ Concrete compressive strength (f'c)=27 MPa⚫ Steel yield strength (fy)=420 MPa.Steel reinforcement area (As) 1473 mm²•Modular ratio (n) = 8.2Calculate the location of the neutral axis and determine if the section is in the uncracked or crackedstage when subjected to a bending moment of 81 kN m. Use the working stress method.

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Answered: Q1/ A reinforced concrete beam has the…

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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REINFORCED CONCRETE
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The width and depth of a reinforced rectangular concrete beam is 400 mm and 700 mm, respectively. The effective depth is 630 mm. The material strengths are f'c=27.6 MPa and fy=414 MPa.Determine the amount of steel reinforcement at balanced condition in mm2.
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