A fixed ended beam shown has a width of 250 mm and an effective depth of 350 mm that contains 3-28mm diameter steel bars at tension side. The beam is exposed to weather; carries a factored varying dead load of 28.8 kN/m excluding the weight of the beam and it also carries CHB (6") of height 1.5m. Assume that the design dead load of CHB is 2.95 kPa and the unit weight of concrete is 24 kN/m³. Determine the max. safe span that it could provide. Concrete strength is 30 MPa and fy = 400 MPa. w=28.8 kN/m

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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.