A round aluminum [E = 70000 MPa] rod must be designed for the following specifications: (a) The rod must be 2.09 m long. (b) The rod must carry a tensile load of 647 kN. (c) The normal stress in the rod must not exceed 150 MPa. (d) The rod must not elongate more than 5 mm. Determine the minimum diameter that can be used for the aluminum rod.

A round aluminum [E = 70000 MPa] rod must be designed for the following specifications: (a) The rod must be 2.09 m long. (b) The rod must carry a tensile load of 647 kN. (c) The normal stress in the rod must not exceed 150 MPa. (d) The rod must not elongate more than 5 mm. Determine the minimum diameter that can be used for the aluminum rod.

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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Question

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A round aluminum [E = 70000 MPa] rod must be designed for the following specifications:
(a) The rod must be 2.09 m long.
(b) The rod must carry a tensile load of 647 kN.
(c) The normal stress in the rod must not exceed 150 MPa.
(d) The rod must not elongate more than 5 mm.
Determine the minimum diameter that can be used for the aluminum rod.
Answer:
Minimum diameter =
i
mm

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