Figure (a) shows the cross section of a column that uses a structural shape known as W8 × 67 (wide-flange beam, nominally 8 in. deep, weighing 67 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following cross-sectional properties: A=19.7 in?, Ix =272 in4, and ly =88.6 in. Figure (b) shows the cross-sectional dimensions for the structural steel section known as C10 x 20 (channel with a nominal depth of 10 in., weighing 20 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following properties for the cross section: A=5.88 in?, Ix =78.9 in“, and ly =2.81 in". If a W8 x 67 section is joined to a C10 x 20 section to form a structural member that has the cross section shown in Figure (c), a. Locate the centroid of the built-up section in the Figure (c). b. Calculate the centroidal moments of inertia, Ix and ly for this cross section.

Figure (a) shows the cross section of a column that uses a structural shape known as W8 × 67 (wide-flange beam, nominally 8 in. deep, weighing 67 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following cross-sectional properties: A=19.7 in?, Ix =272 in4, and ly =88.6 in. Figure (b) shows the cross-sectional dimensions for the structural steel section known as C10 x 20 (channel with a nominal depth of 10 in., weighing 20 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following properties for the cross section: A=5.88 in?, Ix =78.9 in“, and ly =2.81 in". If a W8 x 67 section is joined to a C10 x 20 section to form a structural member that has the cross section shown in Figure (c), a. Locate the centroid of the built-up section in the Figure (c). b. Calculate the centroidal moments of inertia, Ix and ly for this cross section.

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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Solve the centroidal Ix Solve the centroidal Iy Solve the Ix and Iy