4. The hangers support the joist uniformly, so that it is assumed the 3 nails on each hanger carry an equal portion of the load. The joist, with total length L = 9 meters, is subjected to the trapezoidal loading shown where W1 = 10 kN/m, and W2 = 22 kN/m. Each nail of the hanger at end A and end B has a diameter of 11 cm and 14 cm, respectively. Determine the average shear stress (MPa) in each nail of the hanger at end B. Note: The hangers only support vertical loads.

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Load on Structures

Civil engineers primarily deal with beams in their day-to-day applications. A beam is a structural member that resists shear loadings. There are various types of beams such as cantilever beam, simply supported beam, and over the hanging beam. All these beams have a different end and loading conditions.