Precast piles consist in the sinking, by hammering with Delmag bat a pipe with closed end, having a slightly larger diameter of the pipe; this creates a cavity between pipe and soil, which is constantly filled with fluid concrete. At the end of the hammering procedure, also the pipe interior is filled with concrete.
– Why precast piles in foundations are used?
– Precast piles are still used due to their low cost compared to other types of foundations