The beam shown in Figure P8.37 will be constructed from a standard steel W-shape using an allowable bending stress of 24 ksi. Assume Pe-3.5 kips, Pe-13.5 kips, Po-6.5 kips and a-5 ft. (a) Develop a list of five acceptable shapes that could be used for this beam. On this list, include the most economical W10, W12, W14, W16, and W18 shapes. (b) Select the most economical W shape for this beam. |Pc PD

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Part 1
The beam shown in Figure P8.37 will be constructed from a standard steel W-shape using an allowable bending stress of 24 ksi.
Assume Pg-3.5 kips, Pe-13.5 kips, Po-6.5 kips and a-5 ft.
(a) Develop a list of five acceptable shapes that could be used for this beam. On this list, include the most economical W10, W12,
W14, W16, and W18 shapes.
(b) Select the most economical W shape for this beam.
|Pc
PD
B
C
D.
E
Calculate Ay and Ey, the vertical reaction forces at supports A and E, respectively.
Answers:
Ay -
kips
E, -
i
kips
Transcribed Image Text:Part 1 The beam shown in Figure P8.37 will be constructed from a standard steel W-shape using an allowable bending stress of 24 ksi. Assume Pg-3.5 kips, Pe-13.5 kips, Po-6.5 kips and a-5 ft. (a) Develop a list of five acceptable shapes that could be used for this beam. On this list, include the most economical W10, W12, W14, W16, and W18 shapes. (b) Select the most economical W shape for this beam. |Pc PD B C D. E Calculate Ay and Ey, the vertical reaction forces at supports A and E, respectively. Answers: Ay - kips E, - i kips
Part 2
Determine the maximum bending moment magnitude for the beam. One method to obtain this value is to construct shear-force
and bending-moment diagrams on a piece of paper. Determine the maximum bending moment magnitude from your bending-
moment diagram.
Answer: Mmax - i
kip-ft
Save for Later
Attempts: 0 of 1 used Submit Answer
Part 3
Calculate the minimum required section modulus if the allowable bending stress is 24 ksi.
Answer: Smin - i
in.3
Save for Later
Attempts: 0 of 1 used Submit Answer
Transcribed Image Text:Part 2 Determine the maximum bending moment magnitude for the beam. One method to obtain this value is to construct shear-force and bending-moment diagrams on a piece of paper. Determine the maximum bending moment magnitude from your bending- moment diagram. Answer: Mmax - i kip-ft Save for Later Attempts: 0 of 1 used Submit Answer Part 3 Calculate the minimum required section modulus if the allowable bending stress is 24 ksi. Answer: Smin - i in.3 Save for Later Attempts: 0 of 1 used Submit Answer
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