Question: A prismatic bar of length L = 1.8 m and cross-sectional area A = 480 mm2 is loaded by forces P1 = 30 kN and
A prismatic bar of length L = 1.8 m and cross-sectional area A = 480 mm2 is loaded by forces P1 = 30 kN and P2 = 60 kN (see figure). The bar is constructed of magnesium alloy having a stress-strain curve described by the following Ramberg-Osgood equation:
-1.png){kind=small}
in which σ has units of megapascals.
(a) Calculate the displacement δC of the end of the bar when the load P1 acts alone.
(b) Calculate the displacement when the load P2 acts alone.
(c) Calculate the displacement when both loads act simultaneously.
-2.png)
45,00) + 61(170)10 (.MPa) P2 2L
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L 18 m A 480 mm 2 P 1 30 kN P 2 60 kN RambergOsgood Equation ... View full answer
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