The reinforced concrete beam shown has a width of 380 mm and a total depth of 580 mm. It is loaded with a super imposed dead of 20 kN/m, and live load of 9.5 kN/m. PDL =100kN and PLL = 60kN There are 3-20mm diameter bars arranged in a single layer at the bottom of the beam, with a clear covering of 50 mm. Another 2 -20 mm diameter bars are located at the top of the beam with the same clear covering. Determine the critical spacing of 10mm diameter stirrups and provide a detail of stirrups spacing throughout the span. Use f = 28MPa, fy = 414.5 MPa, fyt = 275 MPa. P in KN w in kN/m 3.25 m 6.5 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.