A 10 m long, cylindrical pressure vessel has closed ends with a wall thickness of 5 mm, and a diameter at mid-thickness of 3 m. If the vessel is filled with air to a pressure of 2 MPa, how much do the length, diameter, and wall thickness change, and in each case state whether the change is an increase or a decrease. (c) The vessel is made of a steel having Young's modulus, E = 200 GPa and the Poisson's ratio, v = 0.3. Neglect any effects associated with the details of how the ends are attached.

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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).