A rectangular reinforced concrete beam having a simple span of 4.5 m carries a service dead load of 20 kN/m and a service live load of 35 kN/m. Steel covering is 75 mm measured from the centroid of the tension steel. Concrete strengths is f'c-28 MPa and steel yield strength is fy=420. 1. Calculate the expected design moment of the beam 2. Which of the following gives the least dimension (bxh) of the beam using the maximum allowable reinforcement ratio? a. 200 mm x 450 mm b. 200 mm x 475 mm c. 225 mm x 450 mm d. 250 mm x 500 mm 3. Determine the required steel area using the dimensions obtained above.

A rectangular reinforced concrete beam having a simple span of 4.5 m carries a service dead load of 20 kN/m and a service live load of 35 kN/m. Steel covering is 75 mm measured from the centroid of the tension steel. Concrete strengths is f'c-28 MPa and steel yield strength is fy=420. 1. Calculate the expected design moment of the beam 2. Which of the following gives the least dimension (bxh) of the beam using the maximum allowable reinforcement ratio? a. 200 mm x 450 mm b. 200 mm x 475 mm c. 225 mm x 450 mm d. 250 mm x 500 mm 3. Determine the required steel area using the dimensions obtained above.

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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