Below is a trapezoidal beam with 3-28mm reinforcing bars at the bottom. Using the design properties of fc' = 21MPa, fs = 140MPa, n = 7, 50mm effective cover, determine the following: Note: Assume the beam has cracked. 650 50 150 500 oo 200 150 A. What is the distance of the neutral axis of the transformed section from the top edge of the beam? Express your answer in mm. B. What is the Moment of Inertia of the Transformed section of the beam? Express your answer in mm4. C. What is the flexural capacity of the beam? Express your answer in KN-m.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Below is a trapezoidal beam with 3-28mm reinforcing bars at the bottom. Using the design
properties of fc' = 21MPa, fs = 140MPa, n = 7, 50mm effective cover, determine the following:
Note: Assume the beam has cracked.
650
50
150
500
०००
200
150
A. What is the distance of the neutral axis of the transformed section from the top edge of the
beam? Express your answer in mm.
B. What is the Moment of Inertia of the Transformed section of the beam? Express your answer
in mm4.
C. What is the flexural capacity of the beam? Express your answer in KN-m.
Transcribed Image Text:Below is a trapezoidal beam with 3-28mm reinforcing bars at the bottom. Using the design properties of fc' = 21MPa, fs = 140MPa, n = 7, 50mm effective cover, determine the following: Note: Assume the beam has cracked. 650 50 150 500 ००० 200 150 A. What is the distance of the neutral axis of the transformed section from the top edge of the beam? Express your answer in mm. B. What is the Moment of Inertia of the Transformed section of the beam? Express your answer in mm4. C. What is the flexural capacity of the beam? Express your answer in KN-m.
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