A rectangular concrete beam has a width 300 mm and an effective depth of 550mm. the beam is simply supported over a span of 6m and is used to carry a uniform dead load 25 Kn/m and a uniform live load of 40 Kn/m assumes for fc= 21 MPa and fy=312 MPa. Compression reinforcement if necessary shall be placed at a depth of 80mm from the outermost compression concrete. -Determine the maximum tension steel area in sq. mm. -Determine the no. of 25mm dia. bars

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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.