A simply supported beam has a span of 20 ft. If the cross-section of the beam is as shown in Figure, f'c = 4 ksi, and fy = 60 ksi, determine the factored bending moment (Mu). Given: b = 14 in., d = 20 in., reinforced area, As = 3.90 in?, p = 0.90 and B1 = 0.85. 20" A, = 20 0 3.90 in? 14"

A simply supported beam has a span of 20 ft. If the cross-section of the beam is as shown in Figure, f'c = 4 ksi, and fy = 60 ksi, determine the factored bending moment (Mu). Given: b = 14 in., d = 20 in., reinforced area, As = 3.90 in?, p = 0.90 and B1 = 0.85. 20" A, = 20 0 3.90 in? 14"

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

31-05-2021
A simply supported beam has a span of 20 ft. If the cross-section of the beam is as shown in Figure, fc= 4 ksi, and fy = 60 ksi,
determine the factored bending moment (Mu). Given: b = 14 in., d = 20 in., reinforced area, As = 3.90 in?, p = 0.90 and B, = 0.85.
20"
A, =
20 0
3.90 in?
3"
14"
Select one:
O a. 3693.92 kips-in
Ob. 3995.75 kips-in
Oc. 3095.50 kips-in
O d. 2532.22 kips-in
IA

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