A reinforced concrete T-Beam has a width of 800mm and a thickness of 50mm. It has an effective depth of 300mm and is reinforced at the bottom with a total steel area of 1800sq.mm. If the web thickness of the T-beam is 200mm, with a concrete strength of fc' = 20MPa and yield strength of steel fy= 400MPa. Assume steel yields. The value of the area subjected to compressive stress is _sq.mm A.  42,353 sq.mm B.   42,553 sq.mm C.   42,153 sq.mm D.   41,953 sq.mm

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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.