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.]
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![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 10m, 177 MN/m2.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd6b062c5-c284-48e3-98b3-1872168d2334%2F16b28107-f110-45e4-bef0-9d2b8bb664b5%2F5ar2es9_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 10m, 177 MN/m2.]
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