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- 16 mm d-100 mm t-8.0 mm Additionally: • The area of each pipe is A-2312 mm². • The moment of inertia of the entire beam cross section about the z centroidal axis is Iz-213280000 mm². If the beam will be subjected to a shear force of V-160 kN, determine the shear stress at point H, located at yμ-100 mm above the z centroidal axis. TO H H Answer: TH- 2 MPa

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Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).