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[SEAOC] P critical for concentricly loaded columns[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: [SEAOC] P critical for concentricly loaded columns
- From: "Eric J. Scott" <sac39899(--nospam--at)saclink1.csus.edu>
- Date: Sat, 27 Jan 1996 15:44:44 -800
- Priority: normal
I have been trying to determine the allowable and ultimate concentric load for a 6" pipe column. AISC ASD has a couple of sections that discuss column capacity and I don't know which one governs for an 11' column that is in the inelastic region (KL/r<Cc). For allowable stress, I've typically used table C-36 (p3-16), yet Table-3 (p5-119) presents a different way of obtaining Fa. How are these methods applied correctly? For the Critical Load, Section H1 (p5-54) gives the Euler buckling stress with a safety factor applied to it. Section N4 (p5-94) gives the critical load as a function of the allowable stress increased by a factor of 1.7. SInce the column is behaving inelasticly, does the Euler equation apply or would section N4 yield a better value?
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