The beam cross section shown below has been proposed for a short pedestrian bridge. The cross section will consist of two pipes that are welded to a rectangular web plate. Dimensions of the cross section are: h = 390 mm tw = 12 mm d - 100 mm t = 6.4 mm Additionally: • The area of each pipe is A = 1882 mm². • The moment of inertia of the entire beam cross section about the z centroidal axis is Iz= 171660000 mm4. If the beam will be subjected to a shear force of V = 120 kN, determine the shear stress at point H, located at y = 100 mm above the z centroidal axis. H Hy K Answer: Z MD- Ун YK K ily h

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Design of structures using FEA

An arrangement, in which various members are interconnected with their constrained relative motion, the whole arrangement is then known as a structure. The degree of freedom of such a structure is zero. In such a structure, the load can act throughout the length of the structure or at the joints.