strengths (for both LRFD and ASD) for the fol- lowing double-angle shape: 2L6 x 4 x , long legs 8-inch back-to-back, F = 50 ksi. The effective length L, is 18 feet for all axes, and there are two intermediate fully tightened bolts. Use the procedure of AISC E4 (not the column load tables). Compare the flexural and the flexural-torsional buck ling strengths

Structural Analysis
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Chapter2: Loads On Structures
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Just LFRD and check for local buckling
4.9-10 Compute the available strengths (for both LRFD and ASD) for the fol-
lowing double-angle shape: 2L6 x 4 x 58, long legs 3/8-inch back-to-back,
Fy= 50 ksi. The effective length L is 18 feet for all axes, and there are two
intermediate fully tightened bolts. Use the procedure of AISC E4 (not the
column load tables). Compare the flexural and the flexural-torsional buck-
ling strengths.
Transcribed Image Text:4.9-10 Compute the available strengths (for both LRFD and ASD) for the fol- lowing double-angle shape: 2L6 x 4 x 58, long legs 3/8-inch back-to-back, Fy= 50 ksi. The effective length L is 18 feet for all axes, and there are two intermediate fully tightened bolts. Use the procedure of AISC E4 (not the column load tables). Compare the flexural and the flexural-torsional buck- ling strengths.
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