A reinforced concrete beam has a width of 30 mm and an overall depth of 480 mm. The beam is simply supported over a span of 5 m. Steel strength fy=415 Mpa and concrete strength f=28 Mpa. Concrete cover is 70 mm from the centroid of the steel area. Unit weight of concrete is 26 kN/m³. Other than the weight of the beam, the beam carries a superimposed dead load of 18 kN/ m and a live load of 14 kN/m. a.) Determine the maximum factored moment on the beam. b.) If the design ultimate moment capacity of the beam is 280 kN/m, determine the required number of 20 mm tension bars. c.) If the beam will carry a factored load of 240 kN at midspan, determine the required number of 20 mm tension bars.

A reinforced concrete beam has a width of 30 mm and an overall depth of 480 mm. The beam is simply supported over a span of 5 m. Steel strength fy=415 Mpa and concrete strength f=28 Mpa. Concrete cover is 70 mm from the centroid of the steel area. Unit weight of concrete is 26 kN/m³. Other than the weight of the beam, the beam carries a superimposed dead load of 18 kN/ m and a live load of 14 kN/m. a.) Determine the maximum factored moment on the beam. b.) If the design ultimate moment capacity of the beam is 280 kN/m, determine the required number of 20 mm tension bars. c.) If the beam will carry a factored load of 240 kN at midspan, determine the required number of 20 mm tension bars.

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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