Y-type rigging system, to operate diesel hammer with a single hosting cable of the crane, which supports both the lead and hammer.
Drilled Pile
See Drilled Shaft
French: pieu foré
Drilled Shaft
Concrete pile cast-in-place in an augered hole, which may be belled at the bottom. Suitable where soil is dry and hole will stand open. Also called Drilled Pier, Drilled Pile, Bored Pile.
Drilled-In-Caisson
An open-end pipe driven to rock, cleaned out and a socket drilled into rock to receive a steel core (H,WF or bars) then socket and pipe are filled with concrete. Core, concrete and pipe contribute to high load carrying capacity.
drilled-in-pile
French: pieux forés
German: Bohrpfahl
Spanish: pilotes de perforación
Italian: pali trivellati
Portuguese: estaca perfurada
Dutch: boopaal
Driller’s Stroke
Height of fall of a drop hammer weight (140 lb or more) to drive a casing or soil sampling tool. The weight is usually raised by wrapping a rope around a powered continuously rotating spool or “cathead.” The weight is raised by holding the rope taut th
drilling
French: forage
German: Bohren
Italian: trivellare
Portuguese: furação
Dutch: boren
Drilling Bucket
A closed rotary boring tool with its cutting edge at its base. Spoil is removed from the bucket by swinging it to one side of the bore and releasing the hinged bottom of the bucket.
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