A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the rigid support at B. Determine: (a) the normal stress a in block (1) caused by a temperature increase of 40°F. (b) the normal strain e in block (1) at the increased temperature. Answerrs: (a) o (b) e 0 0.08in. 39 in. psi. με.
A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the rigid support at B. Determine: (a) the normal stress a in block (1) caused by a temperature increase of 40°F. (b) the normal strain e in block (1) at the increased temperature. Answerrs: (a) o (b) e 0 0.08in. 39 in. psi. με.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the
rigid support at B. Determine:
(a) the normal stress a in block (1) caused by a temperature increase of 40°F.
(b) the normal strain e in block (1) at the increased temperature.
Answerrs:
0
(a) σ=
(b) e
0.08in.
39 in.
psi.
με.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50b1ac8b-1635-4150-8b04-1b0651251c14%2F6a8efa39-439f-4c98-90cf-6f045df275cb%2Fcdgkkl6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A high-density polyethylene [E= 104 ksi and a 74 x 10-6/°F] block (1) is positioned in a fixture. The block is 2.2 in. by 2.4 in. by 39 in. long. At room temperature, a gap of 0.08 in. exists between the block and the
rigid support at B. Determine:
(a) the normal stress a in block (1) caused by a temperature increase of 40°F.
(b) the normal strain e in block (1) at the increased temperature.
Answerrs:
0
(a) σ=
(b) e
0.08in.
39 in.
psi.
με.
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