The simply supported beam is composed of two W310×33 sections built up as shown in (Figure 1).   Determine the maximum uniform loading ww the beam will support if the allowable bending stress is σallow = 190 MPa and the allowable shear stress is τallow = 100 MPa.   w=?

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а) The box beam shown in Figure 3a is constructed from four boards that are fastened together using nails spaced along the beam every 2 cm. If a force of P = 10 kN is applied to the beam, determine the shear force resisted by each nail at A and B. 12 cm I cm 5 cm I cm I cm I em Figure 3a

The wide-flange beam is subjected to a shear of V = 30 kN. (Figure 1) Figure 30 mm 250 mm 30 mm 200 mm W 25 mm B Part A Determine the shear force resisted by the web of the beam. Set w = 200 mm. Express your answer to three significant figures and include the appropriate units. V₁ = Value Units ?

Determine the moment M that should be applied to the beam in order to create a compressive stress at point D of σD = 30 MPa. Also sketch the stress distribution acting over the cross section and calculate the maximum stress in the beam. Construct the stress distribution in 2D similar to in-class examples, rather than isometrically similar to the textbook examples for clarity. Hint: The maximum stress will occur at the extreme fiber (Either top or bottom). For symmetric cross- sections, the extreme fiber for the tensile and compressive stresses will have the same magnitude. A 25 mm M D 150 mm 25 mm 25 mm B 150 mm 25 mm