Question 4 For small deflections, the shape of a beam is modelled by the equation: El y" - w, where E is Young's modulus for the material, I is the second moment of area of a cross section of the beam, and y is the displacement from the straight line position. A uniform heavy beam of length L metres, with downward force density w N/m, is built in at the end x = 0, and hangs free at its other end. (al Sketch a diagram that models this situation. (0) State all the boundary conditions that apply and explain fully their meaning.

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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).