Glossary

Cylindrical tool used for cleaning drilled shafts of muck and water.

Scale device used to measure unit weight, specific gravity or density of slurry.

French: marais

German: Sumpf, Marsch

Spanish: pantano

Italian: palude, pantano

Portuguese: pantano

Dutch: moeras

Cone shaped funnel used to indirectly measure bentonite slurry viscosity by measuring the time of passage of a quart of slurry through a specified opening size.

French: gros béton

German: Massenbeton

Spanish: hormigón en masa, concreto en masa

Italian: calcetruzzo massivo

Portuguese: betão de enchimento, betão ciclópico

Dutch: betonmassa

See European Lead

Also called Mat Foundation. A thick concrete slab used to support one or more columns. A mat footing may be placed directly on the base soil or may be supported by piles.

French: fondation sur radier

German: Fundamentplatte

Spanish: cimentación flotante

Italian: fondazione a piastra (a platea)

Portuguese: ensoleiramento geral

Dutch: balken fundering

Heavy timbers bolted together for use as support and roadway for pile driver crane. Essential over soft or wet supporting soil and to protect pavement.

A proprietary part of a pile hammer seated directly under the ram which receives the blow of the ram and transmits it to the pile. Normally used only with wood piles. See sketches in DFI Glossary of Terms, Appendix A.

The average low elevation to which the surface of a body of water falls. Mean High Water is average high. In tidal areas Mean Low (High) Tide is the average daily minimum or maximum water surface elevation.