Glossary

A rotating power driven spool or winch head. Used to lift a drop-hammer weight (140 lb or more) to drive a casing or soil sampling tool and for soil penetration tests. The weight is usually raised by wrapping a rope around the continuously-rotating cat h

A wooden float with sides, for carrying wood piles to a floating driver.

French: cathode

German: Kathode

Spanish: cátodo

Italian: catodo

Portuguese: catodo

Dutch: kathode

A means of protecting steel piles from corrosion by providing a consumable (sacrificial) anode or by applying an external electrical potential.

French: Protection cathodique

Trade name for a thin-wall shell pipe driven with a mandrel striking on the point.

French: cavité

German: Hohlraum

Spanish: cavidad

Italian: cavità

Portuguese: cavidade

Dutch: holte

Cubic centimeter. Metric unit of volume.

French: centimètre cube

A structure of interlocking steel sheet piling to make a self-sustaining cofferdam with separate inside and outside walls. See also Circular-Type Cellular Cofferdam and Diaphragm-Type Cellular Cofferdam.

French: batardeau cellulaire

German: Zellenfangedamm

Spanish: ataguia celular

Italian: avandiga cellulare

Portuguese: ensecadeira celular

Dutch: kistdam opgebouwd uit celvormige elementen

Low strength mixture of cement, bentonite and water, which hardens with time.

A gravity hammer which is mounted on top of a caisson and which contains a cushioning system and a rudimentary lead. Also called Tapette.