H.W 3 Two aluminum alloy plates (2) are attached to the sides of a wooden beam (1) as shown in Figure 3. mensions of the composite cross section are bị a The di- = 80 mm, dj = d2 di 240 mm, b, = 10 mm, d2 120 mm, and a = 60 mm. Deter- mine the maximum bending %3D (2) |(2) (1) stresses produced in both the wooden beam and the aluminum b1
H.W 3 Two aluminum alloy plates (2) are attached to the sides of a wooden beam (1) as shown in Figure 3. mensions of the composite cross section are bị a The di- = 80 mm, dj = d2 di 240 mm, b, = 10 mm, d2 120 mm, and a = 60 mm. Deter- mine the maximum bending %3D (2) |(2) (1) stresses produced in both the wooden beam and the aluminum b1
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:H.W 3 Two aluminum alloy
plates (2) are attached to the
sides of a wooden beam (1) as
shown in Figure 3.
mensions of the composite cross
section are bj = 80 mm, d1 = dz
240 mm, b2 = 10 mm, d2 =
The di-
di
%3D
%3D
120 mm, and a = 60 mm. Deter-
(2)
(2)
(1)
mine the maximum bending
stresses produced in both the
wooden beam and the aluminum
b1
plates if a bending moment
M = +6,000 N m is applied
about the z axis. Assume that E = 12.5 GPa and E2 = 70 GPa.
FIGURE 3
%3D
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