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art 1 The simply supported beam below is initially designed to undertake a concentrated factored live bad of 45 kips (215 kN). Assume that the beam is laterally supported and the self weight eglected. Use: A992 steel (Fy= 50 ksi or 345 MPa) E = 29 x 10° psi (200 GPa), the maximum allowable deflection Aall = L/360 45 kips

art 1 The simply supported beam below is initially designed to undertake a concentrated factored live bad of 45 kips (215 kN). Assume that the beam is laterally supported and the self weight eglected. Use: A992 steel (Fy= 50 ksi or 345 MPa) E = 29 x 10° psi (200 GPa), the maximum allowable deflection Aall = L/360 45 kips

Structural Analysis
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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Part 1 The simply supported beam below is initially designed to undertake a concentrated factored live load of 45 kips (215 kN). Assume that the beam is laterally supported and the self weight neglected. Use: A992 steel (Fy= 50 ksi or 345 MPa) E = 29 x 10® psi (200 GPa), the maximum allowable deflection Aall = L/360 45 kips 16 ft 16 ft 1/ Determine the most economical W shape beam required Part 2 The most economical selected beam from Part 1 ends up being subjected to a concentrated live load of 20 kip. Determine the corresponding maximum live load deflection. Part 3 Assuming that the beam will only be braced laterally at the supports and every quarter spam points (8ft from each support), verify whether the chosen cross section still checks under the live load of 20 kips only. If not, what are your design recommendations?
Transcribed Image Text:Part 1 The simply supported beam below is initially designed to undertake a concentrated factored live load of 45 kips (215 kN). Assume that the beam is laterally supported and the self weight neglected. Use: A992 steel (Fy= 50 ksi or 345 MPa) E = 29 x 10® psi (200 GPa), the maximum allowable deflection Aall = L/360 45 kips 16 ft 16 ft 1/ Determine the most economical W shape beam required Part 2 The most economical selected beam from Part 1 ends up being subjected to a concentrated live load of 20 kip. Determine the corresponding maximum live load deflection. Part 3 Assuming that the beam will only be braced laterally at the supports and every quarter spam points (8ft from each support), verify whether the chosen cross section still checks under the live load of 20 kips only. If not, what are your design recommendations?
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