The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 70.4 ksi. Assume P = 66 kips, L₁ 4.0 ft, and L₂ 12.0 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? L₁ P L2 P L₁ Wide Flange Sections or W Shapes ILS Customary Unite D X --X Y tw

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 70.4 ksi. Assume P = 66 kips,
L₁ = 4.0 ft, and L₂ = 12.0 ft.
(a) Determine the minimum section modulus required for this beam.
(b) From the table below, select the lightest W shape that can be used for this beam.
(c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)?
L₁
P
B
L2
P
L₁
Wide-Flange Sections or W. Shanes. US Customary Units
OD
X
+
X--X
>
-tw
Transcribed Image Text:The beam shown will be constructed from a standard steel W-shape using an allowable bending stress of 70.4 ksi. Assume P = 66 kips, L₁ = 4.0 ft, and L₂ = 12.0 ft. (a) Determine the minimum section modulus required for this beam. (b) From the table below, select the lightest W shape that can be used for this beam. (c) What is the total weight of the steel beam itself (i.e., not including the loads that are carried by the beam)? L₁ P B L2 P L₁ Wide-Flange Sections or W. Shanes. US Customary Units OD X + X--X > -tw
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