The solid steel rod (1) shown in the figure has an allowable shear stress of 3 ksi. The brass tube (2) has an allowable shear stress of 8 ksi. The outside diameter of the tube is D2 = 1.63 in., and its wall thickness is t2 = 0.125 in. The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at B. Calculate (a) the largest torque T that can be applied at the upper end of the steel rod if the allowable shear stress in tube (2) is not to be exceeded. (b) the corresponding minimum diameter d1 required for steel rod (1)
The solid steel rod (1) shown in the figure has an allowable shear stress of 3 ksi. The brass tube (2) has an allowable shear stress of 8 ksi. The outside diameter of the tube is D2 = 1.63 in., and its wall thickness is t2 = 0.125 in. The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at B. Calculate (a) the largest torque T that can be applied at the upper end of the steel rod if the allowable shear stress in tube (2) is not to be exceeded. (b) the corresponding minimum diameter d1 required for steel rod (1)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The solid steel rod (1) shown in the figure has an allowable shear stress of 3 ksi. The brass tube (2) has an allowable shear stress of 8 ksi. The outside diameter of the tube is D2 = 1.63 in., and its wall thickness is t2 = 0.125 in. The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at B.
Calculate
(a) the largest torque T that can be applied at the upper end of the steel rod if the allowable shear stress in tube (2) is not to be exceeded.
(b) the corresponding minimum diameter d1 required for steel rod (1).
Transcribed Image Text:T
Rod (1)
d
Fixed plate
Tube (2)
B
End plate
D,
Answers:
(a) T=
i
kip-in.
(b) d1 min =
i
in.
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