H.W 1 A beam is subjected to equal bending moments of M = 45 kip-ft, as shown in Figure 1a. The cross-sectional dimen- sions (Figure 1b) are by =7.5 in., d, = 1.5 in., by = 0.75 in., dz = 6.0 in., b3 = 3.0 in., and dz = 2.0 in. Determine (a) the centroid location, the moment of inertia about the z axis, M. and the controlling section modulus about the z axis. (b) the bending stress at point H. State whether the normal stress at H is tension or compression. (c) the bending stress at point K. State whether the normal stress at K is tension or compression. MA

H.W 1 A beam is subjected to equal bending moments of M = 45 kip-ft, as shown in Figure 1a. The cross-sectional dimen- sions (Figure 1b) are by =7.5 in., d, = 1.5 in., by = 0.75 in., dz = 6.0 in., b3 = 3.0 in., and dz = 2.0 in. Determine (a) the centroid location, the moment of inertia about the z axis, M. and the controlling section modulus about the z axis. (b) the bending stress at point H. State whether the normal stress at H is tension or compression. (c) the bending stress at point K. State whether the normal stress at K is tension or compression. MA

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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