A rectangular beam has a width of 260 mm and an overall depth of 470 mm. concrete cover is 60 mm from the centroid of bars. Concrete compressive strength f'c = 21 MPa. Steel yield strength fy = 415 MPa for longitudinal bars and 275 MPa for hoops. Determine the shear strength provided by concrete using the simplified calculation (a) if the beam is subjected to shear and flexure only, and (b) if the beam is subjected to axial compression force of 80 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.