A square footing is to support a 445mm square tied column that carries service dead load of PDL and service live load of PLL. The base of the footing is 2.50m below the natural grade line where the allowable soil pressure is 300 kPa. The soil above the footing has a water content of 30.5% and mass specific gravity of 1.96 and unit weight of concrete as 23.50 kN/m?. Use compressive strength of 28 MPa. Design the footing using NSCP 2015 provisions. DL = 32240 kN LL = 93850 kN

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Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.