And finally, the columnar foundation is separate reinforced concrete columns. In order to calculate how much concrete is needed for the foundation in this case, we need to know the number of pillars and the volume of each of them. Suppose we have 20 pillars with sides of 0.25×0.25 and 1.2 m high. Based on this, the volume of one pillar will be 0.075 m3, and 20 — 15 m3, respectively,. That is, to fill the foundation of this type, you need 15 m3 concrete.
