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Table B4.1b - AISC 360-10

Table B4.1b - AISC 360-10

Table B4.1b - AISC 360-10

(OP)
Hello,

I need help to calculate a limiting slenderness of the web of a member, specifically in the "CASE 16" of Table B4.1b of AISC 360-10.
It is assumed that a Double T-section with simple symmetry should have two possible values ​​"My" (one fiber for the lower end and another value for the top end fiber).

My question here is not whether the lower or higher choose between them.

I think it should be always considering the fiber is in compression, regardless of whether the top or bottom, it's right?

I hope you can help me and indicate why one is chosen.

Greetings.

RE: Table B4.1b - AISC 360-10

(OP)
Also, in that Case (16), i think "hc" and "hp" are both regarding compressed fiber right?

(I don't know how to edit the thread)

RE: Table B4.1b - AISC 360-10

Do you have two flanges (one top and one bottom) in your cross section? Your reference to a "double tee" section makes me think you only have a top (compression) flange. If so, then Case 16 of Table B4.1b is not applicable since it applies only to singly-symmetric I-shaped cross-sections with top and bottom flanges.

RE: Table B4.1b - AISC 360-10

(OP)
Right Hokie, sorry, i'm talking about "singly-symmetric I-shaped"

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