An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 560 mm. The cross-sectional dimensions of the beam are b1 = 32 mm, d1 = 118 mm, b2 = 19 mm, d2 = 19 mm, and a = 6.5 mm. For this material, the allowable tensile bending stress is 14 MPa, and the allowable compressive bending stress is 13 MPa. Determine the largest moment M that can be applied as shown to the beam. b2 a M d2 В L b1 Answer: M = i N-m

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 560 mm. The cross-sectional
dimensions of the beam are b1 = 32 mm, d1 = 118 mm, b2 = 19 mm, d2 = 19 mm, and a = 6.5 mm. For this material, the allowable tensile
bending stress is 14 MPa, and the allowable compressive bending stress is 13 MPa. Determine the largest moment M that can be
applied as shown to the beam.
b2
a
M
d2
| A
В
b1
Answer:
M =
i
N-m
Transcribed Image Text:An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 560 mm. The cross-sectional dimensions of the beam are b1 = 32 mm, d1 = 118 mm, b2 = 19 mm, d2 = 19 mm, and a = 6.5 mm. For this material, the allowable tensile bending stress is 14 MPa, and the allowable compressive bending stress is 13 MPa. Determine the largest moment M that can be applied as shown to the beam. b2 a M d2 | A В b1 Answer: M = i N-m
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