What are the materials needed to make cement Roman columns

The cement used to make cement Roman columns is usually fast hard cement.

Roman columns, its basic unit consists of columns and cornices. Column can be divided into column storage column body, column head (column cap) three parts. Due to the different sizes, proportions and shapes of each part, together with the different treatments and decorative patterns of the column body, and the formation of different column styles. Ancient Garden Roman columns focus on European Roman columns.