Applied Statics and Strength of Materials (6th Edition)
Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Chapter 10, Problem 10.30SP

Two steel bars A and B support a load P, as shown. Bar A has an area of 580 mm2 and bar B has an area of 700 mm2. The yield stress is 275 MPa. Both bars elongate equally at point O. Neglect the slope of the bars.

a. Assume an allowable stress of 185 MPa and determine the allowable load using an elastic design approach.

b. Assume a factor of safety of 1.80 and determine the allowable load using an ultimate strength design approach.

Chapter 10, Problem 10.30SP, Two steel bars A and B support a load P, as shown. Bar A has an area of 580 mm2 and bar B has an

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A tie rod of ¼ inch diameter is used to hold a plaster wall in place. The tensile stress in the rod caused by load P is 20 ksi.  Find the diameter “d” (to the nearest 1/6 inch) of the washer that keeps the bearing stress between the plaster and the washer from exceeding 300 psi.
Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 3200 mm² and an allowable normal stress of 155 MPa. Bar (2) has a cross-sectional area of A2 = 3400 mm² and an allowable normal stress of 60 MPa. Assume x₁ = 2.0 m, x2 = 3.0 m, y₁= 1.3 m, and y2 = 2.8 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress. Y₁ A Answer: Pmax (1) i B VP KN 22

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Applied Statics and Strength of Materials (6th Edition)

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