4.13 (B) A concrete beam, reinforced in tension only, has a rectangular cross-section, width 200 mm and effective depth to the tensile steel 500 mm, and is required to resist a bending moment of 70 kN m. Assuming a modular ratio of 15, calculate (a) the minimum area of reinforcement required if the stresses in steel and concrete are not to exceed 190 MN/m and 8 MN/m respectively, and (b) the stress in the non-critical material when the bending moment is applied. [E.LE.) [0.916 x 10 m, 177 MN/m².]

4.13 (B) A concrete beam, reinforced in tension only, has a rectangular cross-section, width 200 mm and effective depth to the tensile steel 500 mm, and is required to resist a bending moment of 70 kN m. Assuming a modular ratio of 15, calculate (a) the minimum area of reinforcement required if the stresses in steel and concrete are not to exceed 190 MN/m and 8 MN/m respectively, and (b) the stress in the non-critical material when the bending moment is applied. [E.LE.) [0.916 x 10 m, 177 MN/m².]

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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