3. Consider a composite beam of the cross-sectional dimensions shown in following figure 2. The upper 175 by 250 mm part is wood with Ew = 15 GPa, while the lower part is a steel strap of 15 by 175 mm dimensions with E, = 275 GPa. If the beam is subjected to 32.5 kN.m around a horizontal axis, what are the maximum stresses in the steel and wood? %3D

Structural Analysis
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Chapter2: Loads On Structures
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Find out the maximum stresses in Steel and Wood

3. Consider a composite beam of the cross-sectional dimensions shown in following
figure 2. The upper 175 by 250 mm part is wood with Ew = 15 GPa, while the lower
part is a steel strap of 15 by 175 mm dimensions with Es = 275 GPa. If the beam is
subjected to 32.5 kN.m around a horizontal axis, what are the maximum stresses in
the steel and wood?
175 mm
175 mm
250 mm
Neutral Axis
15 mm
Figure 2
Transcribed Image Text:3. Consider a composite beam of the cross-sectional dimensions shown in following figure 2. The upper 175 by 250 mm part is wood with Ew = 15 GPa, while the lower part is a steel strap of 15 by 175 mm dimensions with Es = 275 GPa. If the beam is subjected to 32.5 kN.m around a horizontal axis, what are the maximum stresses in the steel and wood? 175 mm 175 mm 250 mm Neutral Axis 15 mm Figure 2
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