Glossary

The ratio between the preconsolididation pressure and the effective overburden stress.

1. Pile driving that exceeds the maximum warranted hammer blow count or damages the material comprising the pile. 2. Hitting the pile more than the optimum or required number of blows per increment of advance. 3. Continuing to drive piling(s) after penetr

French: enfonçage trop avant

Driving a pile at an angle from the vertical where the bottom of the pile is inclined toward the crane.

French: sous-pression de l'eau interstitielle

German: negativer Porenwasserdruck

Spanish: presión intersticial negativa

Italian: pressione dei pori negativa

Portuguese: sucção capillar

Dutch: negative porriendruk

Soil resistance acting downward along the side of a deep founation unit, due to an applied uplift load.

1. Side friction along a pile surface directed downward. 2. Effect of settling soil that grips a pile by friction and adds a downward weight to the structure load. Also called Downdrag.

French: frottement latéral négatif

German: negative Mantelreibung

Italian: resistenza all'attrito negativa

Portuguese: sucção capilar

Dutch: negatieve mantelwrijving

Net measured settlement of pile at top after removal of test load. See Settlement

The location where equilibrium exists between the sum of downward acting permanent load applied to the pile and dragload due to negative skin friction and the sum of upward acting positive shaft resistance and mobilized toe resistance. The neutral plane

French: ligne de limite d'écoulement

A weldment bracket, typically used as part of a Helical Foundation System, to provide connection between an installed Helix Screw Pile and the structure’s surface level foundation components.

French: mamelon

German: Nippel

Italian: nipplo

Portuguese: mamilo

Dutch: nippel