From: Roger Turk <73527.1356(--nospam--at)compuserve.com>
Date: Mon, 5 Apr 1999 14:44:41 -0400
The AISC manual that I have gives enough information that the properties
about the principal axes can be calculated. Doesn't I = r^2*A ??? Isn't
r(z) given???? Isn't alpha given??? Remember Mohr's circle???
A. Roger Turk, P.E.(Structural)
Zachary Goswick wrote:
. > I am looking for principal (not geometric) section properties of a
. > single unequal leg angle because the design (according to AISC steel
. > manual "Specification for Allowable Stress Design of Single-Angle
. > Members" section 5.3.2 calls for Moment of Inertia about the
. > z-axis(minor principal axis) and the Section modulus about the
. > w-axis(major principal axis). Given (rz) and the area, I can backsolve
. > for the Iz, but calculating the Section modulus about the w-axis is
. > another story. AISC manual does not have any of these values tabulated.
. > I was trying to find out if they are tabulated anywhere else.