Q5: Answer Only One A precast T beam is to be used as a bridge over a small roadway. Concrete dimensions are bw= 400 mm, hr= 125 mm, and h= 750 mm. The effective depth d= 600 mm. Concrete and steel strengths are f 'c= 38 MPa and fy = 420 MPa, respectively. Determine the design moment capacity of the girder. The beam is used on a 5 m simple span. A) b= 1300 mm B) b = 1200 mm %3D

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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.