A reinforced concrete beam has a simple span of 8m. It carries a concentrated service load, P=200kN(40%DL and 60%LL), at midspan. The 300mmx400mm beam is reinforced with 3D25mm and 12mm stirrups. Take fc’ to be 24.50MPa fy=420MPa and fyt=280MPa. Use simplified calculation of Vc. What is the ultimate shear capacity of concrete at a section 2m from the support, kN? What should be the shear capacity of web reinforcement at the section 2m from the support, kN? What is the maximum spacing of web reinforcement allowed by the code at the section 2m from the support, mm? What is the required spacing of web reinforcement at the section 2m from the support, 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.