ACI 318-08 Column Design for Axial Load

ACI 318-08 Column Design for Axial Load

The axial capacity portion of both the encased steel section and the concrete section was also studied according to the previously mentioned codes. 

Ten encased steel concrete columns have been investigated experimentally to study the effect of concrete confinement and different types of encased steel sections. The measured axial capacity of the tested ten composite columns was compared with the values calculated by the above mentioned codes. 

It is concluded that non-negligible discrepancies exist between codes and the experimental results as the confinement effect was not considered in predicting both the strength and ductility of concrete.

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