Answered: 1-By using LRFD method, determine the…

1-By using LRFD method, determine the critical design strength, ØPn for the compression member L8 ×6×1 with KL=15ft. Use Fy=50ksi

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter5: Beams

Section: Chapter Questions

Problem 5.5.8P

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Question

1-By using LRFD method, determine the critical design strength, ØP_n for the compression member L8 ×6×1 with KL=15ft. Use Fy=50ksi.

2- By using LRFD method, replace the compression member HP10x42 with

KL=15ft. and F=50ksi with economical section of W10 or W8.

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Step 1: Given

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Step 2: Calculate governing slenderness ratio

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Step 3: Calculate elastic buckling stress

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Step 4: Calculate critical buckling stress, Fcr

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Step 5: Calculate the critical design strength

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