4.5 ft 5.0 ft 0.02 ft D [A B 6 in 18 in The structural bracing system above is comprised of two solid round circular members AB and BC. There is a 0.02 ft gap between point C and the adjacent rigid wall. Member AB is made of steel with the following properties: EAR = 29000 ksi
4.5 ft 5.0 ft 0.02 ft D [A B 6 in 18 in The structural bracing system above is comprised of two solid round circular members AB and BC. There is a 0.02 ft gap between point C and the adjacent rigid wall. Member AB is made of steel with the following properties: EAR = 29000 ksi
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4.5 ft
5.0 ft
0.02 ft
D
[A
B.
6 in
18 in
The structural bracing system above is comprised of two solid round circular members AB and BC. There is a 0.02 ft gap between point
C and the adjacent rigid wall,
Member AB is made of steel with the following properties:
EAB = 29000 ksi
CAB = 6.6-10 6 joF
VAB = 0.32
Member BC is made of reinforced nylon with the following properties:
EBC = 6400 ksi
CBC = 11.5-10 6 oF
VBC = 0.45
Which of the following is closest to the change in temperature required to close the 0.02 ft gap from C to D?
O +19.1 °F
+2753 °F
+229.4 °F
+66.4 °F
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