A three-span continuous one-way slab with clear spans of 3.5m and thickness of 100mm is supported on beams 300mm wide. The slab has an effective depth of 74mm and carries a total factored floor load of 8.54kPa. Use f’c=21MPa and fy=275MPa. Unit weight of concrete is 23.5kN/m3 1. Calculate the moment at the most critical section of the interior slab considering a 1m strip 2. Calculate the spacing of 12mm diameter main reinforcing bars at the most critical section of the interior slab 3. Find the spacing of 10mm diameter temperature 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.