The rectangular footing shown in the figure is subjected to the following service axi- and moments: Axial loads: PDL = 700 kN PLL = 450 kN Moment about x-axis:

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Q: 400 Material A 300 Material B 200 Material A 100 0.002 0.004 0.006

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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).