A trapezoidal canal with a bottom width of 1.5 m. and with side slopes of 2 horizontal to 1 vertical has a velocity of 1.2 m/s. If the depth of flow is 2.4 m. and has a slope of channel bed of 0.000212, compute the roughness coefficient of the canal. 0.014 O 0.018 0.008 0.021

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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).