15x14m house building column cross section and its reinforcement detail drawing is given in this file. The dimensions of the K1, K2, and K3 columns are 0.15x0.30m, 0.15x0.20m, and 0.15x0.15m. 2 reinforcement at bottom, and two reinforcement at top is provided for each. For more details download the AutoCAD drawing file from our cadbull website.