Glossary

A work constructed out from a harbor entrance. Mounds or heaps of rubble, fascine, or mattress work with rubble or stone, or a reinforced concrete wal, to prevent littoral drift from forming a sand bar across a harbor entrance. See also Groin, or Groyne.

French: jetée/brise-lames/môle

Discontinuity between panels, usually formed by end stops or embedded structural shapes.

French: joint

German: Fuge

Spanish: junta

Italian: giunto

Portuguese: junta

Dutch: verbinding

French: réseau de fractures

German: Fugenanordung

Spanish: patrón de diaclasamiento

Italian: diaclasi

Portuguese: padrão de juntas

Dutch: scheur patroon

Side or skin damping value used in wave equation analysis.

Tip or toe damping value used in wave equation analysis.

A geologic term for limestone bedrock in which cavities are developed by solution in flowing water. Also called Karstic Limestone.

French: karst

German: Karst

Spanish: karst

Italian: carsico

Portuguese: karst, carst

Dutch: karst

A square or splined shaft which can slide vertically through a square or splined opening in a rotary driving head to turn an auger or drill bit; for a drilling rig which drives from top the Kelly bar may be a smooth cylinder. The kelly bar may also be use

French: tige

Term used for reaction weights for test loading. Also called caisson weights or load-test weights.

French: contre-poids

A recess in the wall intended to receive a wall or floor slab.

French: clavette

A telescoping structural member used to attach the bottom of the leads to the crane base and used to position or batter leads in or out, left or right. Can be mechanically, hydraulically or pneumatically operated; it is used with either fixed leads or se