Question #8:A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. x 0.6 in. cross section and a gage length of 2in. Under this load the bar elastically deforms so that the gage length increases to 2.007 in. and the cross sectiondecreases to 0.599 in. x 0.599 in. Determine:a) The modulus of elasticity [Ans. 39682 ksi]b) Poisson's ratio [Ans. 0.48]Question #9:A cylinder with a 6.0 in. diameter and 12.0 in. length is put under a compressive load of 150 kips. The modulusof elasticity for this specimen is 8,000 ksi and Poisson's ratio is 0.35. Calculate the final length (L) and the finaldiameter (D) of this specimen under this load assuming that the material remains within the linear elasticregion. [Ans. L 11.992 in. D, 6.00139 in.]Question # 10:Define the coefficient of thermal expansion. What is the relation between the linear and the volumetriccoefficients of thermal expansion?Question #11:A steel rod, which is free to move, has a length of 200 mm and diameter of 20 mm at a temperature of 15°C. Ifthe rod is heated uniformly to 115°C, determine the length and the diameter of this rod to the nearest micron atthe new temperature if the linear coefficient of thermal expansion of steel is 12.5 x 10 m/m/°C. [Ans. Lf200,250 microns, df=20,025 microns]2

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Question #8: A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. x 0.6 in. cross section and a gage length of 2 in. Under this load the bar elastically deforms so that the gage length increases to 2.007 in. and the cross section decreases to 0.599 in. x 0.599 in. Determine: a) The modulus of elasticity [Ans. 39682 ksi] b) Poisson's ratio [Ans. 0.48]

Question #8: A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. x 0.6 in. cross section and a gage length of 2 in. Under this load the bar elastically deforms so that the gage length increases to 2.007 in. and the cross section decreases to 0.599 in. x 0.599 in. Determine: a) The modulus of elasticity [Ans. 39682 ksi] b) Poisson's ratio [Ans. 0.48]

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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