The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A1 = 340 mm2 and a length of L1 = 3.6 m. Rod (2) has an area of A2 = 315 mm2 and a length of L2 = 1.2 m. Assume dimensions of a = 3.4 m, b = 1.2 m, and c = 1.5 m. After a load of P = 60 kN is applied to the rigid bar at D, determine: (a) the normal stresses in rods (1) and (2) (b) the magnitude of the downward deflection of the rigid bar at D.
The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A1 = 340 mm2 and a length of L1 = 3.6 m. Rod (2) has an area of A2 = 315 mm2 and a length of L2 = 1.2 m. Assume dimensions of a = 3.4 m, b = 1.2 m, and c = 1.5 m. After a load of P = 60 kN is applied to the rigid bar at D, determine: (a) the normal stresses in rods (1) and (2) (b) the magnitude of the downward deflection of the rigid bar at D.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A1 = 340 mm2 and a length of L1 = 3.6 m. Rod (2) has an area of A2 = 315 mm2 and a length of L2 = 1.2 m. Assume dimensions of a = 3.4 m, b = 1.2 m, and c = 1.5 m. After a load of P = 60 kN is applied to the rigid bar at D, determine:
(a) the normal stresses in rods (1) and (2)
(b) the magnitude of the downward deflection of the rigid bar at D.
Transcribed Image Text:y,V
(2)
L2
a
В
C
D
x,u
Rigid bar
(1)
Answer:
(a) 01 =
MPa
02 =
i
MPа
(b) VD =
i
mm
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