.20 pishool A reinforced concrete beam has a width of 300mm and an effective depth of 600mm. Compressive reinforcement (if required will be placed at d'=60mm. f'c-27.5 MPa and fy=415 MPa. Use NSCP 2015. The beam is to support a factored bending moment of 670 kN-m, a) Determine the area of steel required as tension reinforcement if the minimum strain in the extreme tension steel is permitted to be 0.004 b) Determine the area of steel required as tension reinforcement if the minimum strain in the extreme tension steel is limited to 0.005 c) Determine the number of 28mm bars required as tension reinforcement if the reduction factor, -0.90

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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.