A composite beam is made of steel (Est = 300 GPa)and wood (Ew = 15 GPa) materials as shown in Figure 3. The beam is subjected to a positive bending moment (about z-axis from bottom to top) of 60 kN.m. Determine the followings: a) The transformation factor, n. b) The width of steel part transformed to wood and draw the transformed section. c) The distances h1 and h2.
A composite beam is made of steel (Est = 300 GPa)and wood (Ew = 15 GPa) materials as shown in Figure 3. The beam is subjected to a positive bending moment (about z-axis from bottom to top) of 60 kN.m. Determine the followings: a) The transformation factor, n. b) The width of steel part transformed to wood and draw the transformed section. c) The distances h1 and h2.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A composite beam is made of steel (Est = 300 GPa)and wood (Ew = 15 GPa) materials as shown in Figure 3. The beam is subjected to a positive bending moment (about z-axis from bottom to top) of 60 kN.m. Determine the followings:
a) The transformation factor, n.
b) The width of steel part transformed to wood and draw the transformed
section.
c) The distances h1 and h2.
d) Moment of inertia, I of the transformed section.
e) The largest tensile and compressive stresses in the wood material.
f) The maximum and minimum tensile stresses in the steel material.
Transcribed Image Text:wood
A
6 cm
h2
B
steel
4 cm-
0.5 cm
Figure-3.
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