SITUATION 8: A rectangular concrete beam having a width of 300 mm is reinforced for tension only. The beam  carries a factored moment of 540 kN-m. Concrete strength is f’c = 28 MPa and steel yield strength fy = 280 MPa. 25. Which of the following most nearly gives the balanced steel ratio?  a. 0.0349  b. 0.0439  c. 0.0394  d. 0.0493  26. Which of the following most nearly gives the minimum effective depth using a steel ratio equal to half the  582.50 sqm balanced steel ratio?  a. 611.15 mm  b. 675.38 mm  c. 640.91 mm  d. 582.50 mm 27. Which of the following most nearly gives the minimum effective depth using the maximum steel ratio  permitted by the code?  a. 541.20 mm  b. 497.21 mm  c. 568.18 mm  d. 518.67 mm

Q: simply supported rectangular beam has a width of 300mm and the distance to the centroid of tension…

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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.