The beam consists of a W24 x 94 structural steel wide-flange shape [E = 29,000 ksi; I= 2,700 in.“). For the loading shown, determine: (a) the reactions at A and D (positive if the force is up, and the moment counterclockwise). (b) the magnitude of the maximum bending stress amax in the beam. Assume LAB = LBc = 7 ft, LcD = 13 ft, w = 4.3 kips/ft, P = 41 kips. B. C LAB LBC LCD Answers: (a) A = i kips, D= kips, Mp- i kip-ft. (b) ơmax ksi.

The beam consists of a W24 x 94 structural steel wide-flange shape [E = 29,000 ksi; I= 2,700 in.“). For the loading shown, determine: (a) the reactions at A and D (positive if the force is up, and the moment counterclockwise). (b) the magnitude of the maximum bending stress amax in the beam. Assume LAB = LBc = 7 ft, LcD = 13 ft, w = 4.3 kips/ft, P = 41 kips. B. C LAB LBC LCD Answers: (a) A = i kips, D= kips, Mp- i kip-ft. (b) ơmax ksi.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter10: Statically Indeterminate Beams

Section: Chapter Questions

Problem 10.4.32P: Two identical, simply supported beams AB and CD are placed so that they cross each other at their...

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

The beam consists of a W24 x 94 structural steel wide-flange shape [E = 29,000 ksi; I = 2,700 in.“). For the loading shown, determine:
(a) the reactions at A and D (positive if the force is up, and the moment counterclockwise).
(b) the magnitude of the maximum bending stress amax in the beam.
Assume LAB = LBC =7 ft, LcD = 13 ft, w = 4.3 kips/ft, P = 41 kips.
B
D
LAB
LBC
LCD
Answers:
(a) A =
kips, D=
i
kips, Mp =
kip-ft.
(b) ơmax =
ksi.

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