Use A992 steel and select a W shape for the following beam: Simply supported with a 30-foot span, lateral support at each end and at the third-points, no service deadload, service LL is a 18-kips concentrated load at midspan. Don’t forget to check with self-weight (note: you do not need to worry about self-weight in calculating Cb). Assume that the middle third of the beam is the critical section. Assume that the live load deflection is limited to L/240. Please also check for bending capacity and shear capacity. You may use AISC Table 3-2 and/or Table 3-10 to check for bending and shear. Solve using LRFD only.
Use A992 steel and select a W shape for the following beam: Simply supported with a 30-foot span, lateral support at each end and at the third-points, no service deadload, service LL is a 18-kips concentrated load at midspan. Don’t forget to check with self-weight (note: you do not need to worry about self-weight in calculating Cb). Assume that the middle third of the beam is the critical section. Assume that the live load deflection is limited to L/240. Please also check for bending capacity and shear capacity. You may use AISC Table 3-2 and/or Table 3-10 to check for bending and shear. Solve using LRFD only.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Use A992 steel and select a W shape for the following beam: Simply supported with a
30-foot span, lateral support at each end and at the third-points, no service deadload, service LL
is a 18-kips concentrated load at midspan. Don’t forget to check with self-weight (note: you do
not need to worry about self-weight in calculating Cb). Assume that the middle third of the beam
is the critical section. Assume that the live load deflection is limited to L/240. Please also check
for bending capacity and shear capacity. You may use AISC Table 3-2 and/or Table 3-10 to check
for bending and shear. Solve using LRFD only.
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