Use a trial-and-error (atleast 3 trial) procedure in which a KL/r value is estimated as 50, the stresses ÆcFcr and Fcr/Wc determined from AISC Table 4-22. Design by both LRFD and ASD procedures. Select another section if the specified section is not available. Select the lightest available W8 section to support the axial compression loads P. = 90 k and PL = 115 kif KLx = 24 ft, KLy = 12 ft and A992, Grade 50 steel is used.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Use a trial-and-error
(atleast 3 trial) procedure
in which a KL/r value is estimated as 50, the
stresses ÆcFcr and Fcr/Wc determined from
AISC Table 4-22. Design by both LRFD and ASD
procedures. Select another section if the
specified section is not available.
Select the lightest available W8 section to
support the axial compression loads P. = 90 k
and PL = 115 k if KLx = 24 ft, KLy = 12 ft and
A992, Grade 50 steel is used.
Transcribed Image Text:Use a trial-and-error (atleast 3 trial) procedure in which a KL/r value is estimated as 50, the stresses ÆcFcr and Fcr/Wc determined from AISC Table 4-22. Design by both LRFD and ASD procedures. Select another section if the specified section is not available. Select the lightest available W8 section to support the axial compression loads P. = 90 k and PL = 115 k if KLx = 24 ft, KLy = 12 ft and A992, Grade 50 steel is used.
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