Don't copy The roof beams of a building were originallydesigned with a minimum live load as given bythe building code to account for snow load only.It has since been decided that the roof will serveas a helipad, thus requiring a verification of theinitial design.Initially, A992 steel (Fy=50ksi) W 21x50 wasselected (Zx= 111 in) for the roof beams basedon a maximum moment of 400 kips.ft from thefactored design load.Accounting for the actual live load from thehelipad will increase the maximum moment by25%.Using the bending moment criteria,1- will the W21x50 satisfy the new design load?2- Explain and demonstrate briefly why.

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Answered: Using the bending moment criteria, 1-…

Using the bending moment criteria, 1- will the W21x50 satisfy the new design load? 2- Explain and demonstrate briefly why.

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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