Glossary

A coating of natural soil or bentonite suspension which lines the walls of an excavation, particularly in permeable ground, where bentonite or soil slurry has been used as a stabilizing medium during its construction.

French: tourteau de filtration

Device used to measure the filtration and filter cake development of bentonite slurry.

French: excavateur

German: Trockenbagger

Spanish: excavadora

Italian: escavatore

Portuguese: escavadora

Dutch: graafmachine

French: surpression interstitielle

German: hydrostatischer Überdruck

Spanish: sobrepresión

Italian: pressione idrostatica eccedente

Portuguese: sobrepressão hidrostática

Dutch: water overspanning

1. The outlet fluid path of all powered hammers. 2. The combined air inlet and exhaust ports of a diesel pile hammer.

French: orifices d'échappement

See Enlarged Base.

A pile with a mechanical device for expanding the bottom to increase bearing capacity or resistance to uplift.

French: pieu expansé

This type of soil undergoes volume changes upon wetting and drying, capable of causing damage to buildings and pavements. Expansive soils mostly occur in arid and semiarid areas. Found in large areas of Southwest and Western United States.

French: explosifs

German: Spengstoff

Spanish: explosivos

Italian: esplosivi

Portuguese: explosivos

Dutch: explosief

The force exerted on a pile by the explosion of the diesel fuel, which is equal to the gas pressure created by the explosion times the area of the cylinder bore.

French: force explosive