Concrete pile with enlarged base RAYMOND
In the formation of concrete piles it is sometimes desirable to enlarge the base of the pile in order to provide increased load bearing area. Attempts have been made to accomplish the re*: ssuit by sinking a casing into the ground for the purpose, of shaping the pile proper, and then extruding plastic concrete from the lower end of the casingin the endeavor to: form a bulbous concrete mass