9.42 A 25-mm-diameter aluminum rod, 3 m long, is subjected to an axial tensile load of 67 kN. Assume a proportional limit of 207 MPa. Compute (a) stress (b) strain (c) total elongation 9.43 A short timber post of Douglas fir is subjected to an axial com- pressive load of 40,000 lb. The nominal dimensions of the post area are 8 in. by 8 in. Its length is 8 ft-6 in. Assume a propor- tional limit of 6000 psi. Using dressed dimensions, compute (a) stress (b) strain (c) total deformation 9.44 A 100-ft surveyor's steel tape with a cross-sectional area of 0.005 in.² is subjected to a 15-lb pull when in use. Compute (a) the total elongation of the tape (b) the tensile stress developed in the tape 9.45 An 18-in.-long steel rod is subjected to a tensile load of 12,000 lb. The rod has a diameter of 1 in. Compute (a) the tensile stress (b) the strain (c) the total elongation nognitude of the tensile load that would pro-

9.42 A 25-mm-diameter aluminum rod, 3 m long, is subjected to an axial tensile load of 67 kN. Assume a proportional limit of 207 MPa. Compute (a) stress (b) strain (c) total elongation 9.43 A short timber post of Douglas fir is subjected to an axial com- pressive load of 40,000 lb. The nominal dimensions of the post area are 8 in. by 8 in. Its length is 8 ft-6 in. Assume a propor- tional limit of 6000 psi. Using dressed dimensions, compute (a) stress (b) strain (c) total deformation 9.44 A 100-ft surveyor's steel tape with a cross-sectional area of 0.005 in.² is subjected to a 15-lb pull when in use. Compute (a) the total elongation of the tape (b) the tensile stress developed in the tape 9.45 An 18-in.-long steel rod is subjected to a tensile load of 12,000 lb. The rod has a diameter of 1 in. Compute (a) the tensile stress (b) the strain (c) the total elongation nognitude of the tensile load that would pro-

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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