This preview shows page 1. Sign up to view the full content.
Unformatted text preview: it will be this or larger if we use angles LLBB [long legs back to back]). r z = 0.76. This is less than 1.2, so if we do nothing, we will not satisfy L z /r z <300. Fix this by adding fillers to reduce L z (note this doesn’t reduce L, just reduces the length over which a single angle acts by itself). If we add one filler L z = L/2 = 15’ Æ L z /r z = 237, so this satisfies code (is less than 300). Standard of practice is to have L z /r z < max (L/r x , L/r y ). Because r y is smaller than r x. L/r y will be bigger than L/r x . L/r y = 261. Thus one filler also satisfies L z /r z < max (L/r x , L/r y )....
View Full Document
This note was uploaded on 06/09/2010 for the course CIVIL 4401 taught by Professor Shield during the Fall '09 term at University of Minnesota Crookston.
- Fall '09