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The mini heaps are best for lessening foundation settlement and also are excellent when is being done in the areas where soil make-up is quite hard. As soon as the preferred depth has actually been reached, the steel housings position is locked, preventing it from continuing even more. Last hammer strikes are applied to the dry concrete mix which additionally mini piling contractors north west, uk condenses the soil and creates the mix to leave the steel covering. In doing so, the dry concrete mix forms a bulb like shape at the base of the pile. This bulb type will later on provide the Franki heap outstanding uplift ability when its completed. To accomplish the preferred capacity, the hammer rig continuously affects the top of the heap.