Four L3 x 3 x x-in. angles are welded to a rolled W section as shown. Determine the moments of inertia and the radil of gyration ofthe combined section with respect to the centroidal x and yaxes if a= 7.5 in.C-L3X3X +W8x31xThe moment of inertia with respect to the x axis is [The radius of gyration with respect to the x axis isThe moment of inertia with respect to the yaxis isThe radius of gyration with respect to the y axis isinin.in4in.

Answer Let us first obtain the W Section and Angle properties from AIS Manual L 3 x 3 x 14 (A = 1.44…

Four L3x3x-in. angles are welded to a rolled W section as shown. Determine the moments of inertia and the radil of gyration of the combined section with respect to the centroidal x and yaxes if a = 7.5 in.

Four L3x3x-in. angles are welded to a rolled W section as shown. Determine the moments of inertia and the radil of gyration of the combined section with respect to the centroidal x and yaxes if a = 7.5 in.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Matrix Algebra for Structural analysis

Structural analysis is a process in which the effects of different loads and internal forces, acting on structures and their elements are determined. This method of analysis is effective in detecting the failure loads of the structural elements and the design can be altered before commencing the construction process, which ensures proper strength and safety of the structures.

Question

Four L3 x 3 x x-in. angles are welded to a rolled W section as shown. Determine the moments of inertia and the radil of gyration of
the combined section with respect to the centroidal x and yaxes if a= 7.5 in.
C
-L3X3X +
W8x31
x
The moment of inertia with respect to the x axis is [
The radius of gyration with respect to the x axis is
The moment of inertia with respect to the yaxis is
The radius of gyration with respect to the y axis is
in
in.
in4
in.

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