What is the diameter of the corridor pillar?

Columns are long-strip members used to support beam trusses in buildings. Vertical members in engineering structures mainly bear pressure and sometimes moment, and are used to support beams, trusses and floors.

Classification: Columns are divided into square columns, columns, tubular columns, rectangular columns, I-shaped columns, H-shaped columns, T-shaped columns, L-shaped columns, cross-shaped columns, two-legged columns and lattice columns according to the cross-sectional form, and are divided into stone columns, brick columns, block columns, wooden columns, steel columns, reinforced concrete columns, concrete filled steel tubular columns and various combined columns according to the materials used.