Answered: A reinforced concrete T-beam has the…

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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Question

A reinforced concrete T-beam has the following properties: flange width, b = 1370 mm; flange thickness, tf = 130 mm, width bw = 300 mm, effective depth, d = 610 mm, As = 2950 mm², f’c = 28 MPa, fy = 414 MPa.

1. Which of the following most nearly gives the depth of the compression block of from the top of the beam?

a. 37.5 mm

b. 95.5 mm

c. 45.8 mm

d. 115.4 mm

2. Which of the following most nearly gives the total compressive force in concrete?

a. 1380 kN

b. 1220 kN

c. 1840 kN

d. 1540 kN

3. Which of the following most nearly gives the ultimate moment capacity of the section in kN-m?

a. 450

b. 550

c. 750

d. 650

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