With Geopier-form combination piles, mixture is rammed into a casing, forcing it out the bottom to make a dense bulb. That is repeated in phases as the casing is withdrawn, densifying, and increasing the strength of the encompassing soil. Micropiles are stuffed to their design depth by pouring grout right https://listedirectory.com/listings455191/prefabricated-trusses-can-be-fun-for-anyone