A composite bar consists of steel segments with different cross-sections are rigidly fastened as shown. Axial loads are applied at the positions indicated. The stress must not exceed 116 MPa in tension, and 77 MPa in compression. Determine the following: (a) the safe value of P to the nearest safe 1 kN, if the diameter of segment 1 is 100 mm; (b) the required side length of the equilateral triangle segment 2 to the nearest safe 25 mm; and (c) the required side length of the regular pentagon segment 3 to the nearest safe 25 mm.
A composite bar consists of steel segments with different cross-sections are rigidly fastened as shown. Axial loads are applied at the positions indicated. The stress must not exceed 116 MPa in tension, and 77 MPa in compression. Determine the following: (a) the safe value of P to the nearest safe 1 kN, if the diameter of segment 1 is 100 mm; (b) the required side length of the equilateral triangle segment 2 to the nearest safe 25 mm; and (c) the required side length of the regular pentagon segment 3 to the nearest safe 25 mm.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A composite bar consists of steel segments with different cross-sections are rigidly fastened as shown. Axial loads are applied at the positions indicated. The stress must not exceed 116 MPa in tension, and 77 MPa in compression. Determine the following:
(a) the safe value of P to the nearest safe 1 kN, if the diameter of segment 1 is 100 mm;
(b) the required side length of the equilateral triangle segment 2 to the nearest safe 25 mm; and
(c) the required side length of the regular pentagon segment 3 to the nearest safe 25 mm.
Transcribed Image Text:0.75P
1.25P
0.50P
3
1.00P
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