10- the web can buckle in shear, either a) in elastically) b) plastically) C-Welastically d) elastically or in elastically)

Two pieces of wood, 60 mm by 120 mm each are glued together along the 40° joint. The permissible normal stress in the glue is limited to 100 MPa. The maximum safe load that can be applied at the joint is P+ 40° 60 mm P

Glu-laminated beams are used to support the roof and pulley load at a warehouse. Beams span 24 feet plus an eight foot overhang over the loading area. Determine the bending stress adequacy of the beam.

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