Determine the following: a) Factored axial load capacity (KN) and factored flexural capacity (KN-m) when concrete fails at a strain of ɛc = 0.003 and steel fails at a strain of ɛs = fy/Es. The displaced concrete shall not be neglected. b) Ultimate moment capacity of the column at infinitely large eccentricity, i.e., the column acts as a beam. Ignore the effect of the displaced concrete. The column drawn in Figure 1 is reinforced with 8 x ¢28-mm bars distributed around its perimeter. Material strengths are fc'=28 MP and fy=415 MPa. The total bar covering is 70 mm. If subjected to eccentric loads, the column will bend about the stronger axis of the section.

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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.