In the case of 90-degree straight concrete columns, you can use the same Wall Syntax .
In the case of inclined concrete columns, here it depends mainly on the connection between the concrete in the lower and upper floors for each separate column, since the (concrete Pillars Number) must be the same on all floors, of course depending on the name of the floor in the layer
Image 1 Concrete Syntax
Of course, the shape of all floors must be the same for the columns connected to it, whether upper or lower floors. The form of concrete construction depends on your desire, whether it is circular, square, rectangular, or any closed form example see (image2).
Curves and lines must be closed
Image 2 Concrete Shape