6-121 A wood beam is reinforced with steel straps at its top and bottom as shown. Determine the maximum bending stress developed in the wood and steel if the beam is sub- jected to a bending moment of M 5 kN m. Sketch the stress distribution acting over the cross section. Take E,, = 11 GPa, Est 200 GPa. 20 mm 300 mm -M = 5 kN-m 200 mm Prob. 6-121 20 mm
6-121 A wood beam is reinforced with steel straps at its top and bottom as shown. Determine the maximum bending stress developed in the wood and steel if the beam is sub- jected to a bending moment of M 5 kN m. Sketch the stress distribution acting over the cross section. Take E,, = 11 GPa, Est 200 GPa. 20 mm 300 mm -M = 5 kN-m 200 mm Prob. 6-121 20 mm
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:6-121 A wood beam is reinforced with steel straps at its top
and bottom as shown. Determine the maximum bending
stress developed in the wood and steel if the beam is sub-
jected to a bending moment of M 5 kN m. Sketch the
stress distribution acting over the cross section. Take E,, =
11 GPa, Est 200 GPa.
20 mm
300 mm
-M = 5 kN-m
200 mm
Prob. 6-121
20 mm
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