Problem 3a. A compression member is built up from a W14 × 90 and a W10 49, both of A992 steel. Neglect flexural-torsional buckling W14 x 90 7" w10× 49 KxL = KyL = 30 feet. Find the following: %3D %3D a. The KL/r b. The Euler Stress Fe c. The design strength for LRFD. d. The allowable strength for ASD. e. Is the section? Why?

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Chapter4: Compression Members
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Problem 3a. A compression member is built up from a W14 × 90 and a W10 >
49, both of A992 steel. Neglect flexural-torsional buckling
W14 × 90
7"
w10 x 49
KXL = KyL = 30 feet. Find the following:
a. The KL/r
b. The Euler Stress Fe
c. The design strength for LRFD.
d. The allowable strength for ASD.
e. Is the section? Why?
Transcribed Image Text:Problem 3a. A compression member is built up from a W14 × 90 and a W10 > 49, both of A992 steel. Neglect flexural-torsional buckling W14 × 90 7" w10 x 49 KXL = KyL = 30 feet. Find the following: a. The KL/r b. The Euler Stress Fe c. The design strength for LRFD. d. The allowable strength for ASD. e. Is the section? Why?
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