The beam shown in Figure 2 is a W18×40 of A992 steel and has continuous lateral support. Th two concentrated loads are service live loads. Neglect the weight of the beam and, using the Zx Table, determine whether the beam is adequate. a. Use LRFD. b. Use ASD. Note: Check for both flexural strength and shear strength limits. F. 30 k 30 k ↓ 4'4' - W18 × 4

Structural Analysis
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Chapter2: Loads On Structures
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The beam shown in Figure 2 is a W18×40 of A992 steel and has continuous lateral support. The
two concentrated loads are service live loads. Neglect the weight of the beam and, using the Zx
Table, determine whether the beam is adequate.
a. Use LRFD.
b. Use ASD.
Note: Check for both flexural strength
and shear strength limits.
30 k
30 k
4' 4' -
20'
Figure 2
W18 × 40
Transcribed Image Text:The beam shown in Figure 2 is a W18×40 of A992 steel and has continuous lateral support. The two concentrated loads are service live loads. Neglect the weight of the beam and, using the Zx Table, determine whether the beam is adequate. a. Use LRFD. b. Use ASD. Note: Check for both flexural strength and shear strength limits. 30 k 30 k 4' 4' - 20' Figure 2 W18 × 40
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