Glossary

French: propriétés chimiques

German: chemische Zusammensetzung

Spanish: propiedades químicas

Italian: proprietà chimiche

Portuguese: propridades quimicas

Dutch: chemische samenstelling

Also called “hand dug caisson.” See “Caisson”

Steel ring placed on inside of pipe to back-up a butt or bevel weld. Also called a Back-Up-Ring

French: bague d'appui

Heavy steel tool used to soften or fracture rock or obstructions

French: fleuret, burin

German: Meißel

Spanish: cincel, puntero

Italian: scalpello a percussione

Portuguese: cinzel

Dutch: beitel

A member, usually of timber, used as a separator between piles or timbers.

French: cale

French: trépan à biseau

German: Fallmeißel

Spanish: trépano

Italian: punta tagliante

Portuguese: trepano

Dutch: snijtand (graafwerktuig)

A pile hammer lead which has an upper section wherein the hammer is contained and a lower section which closely fits about and guides the pile. The hammer is supported and aligned by the pile after engagement. See also Off-shore Lead

French: Guide de mandrin

A method of drilling through difficult overburden or rock employing heavy percussion by a star-shaped cutting bit or chisel.

French: foret à percussion/foreuse à câble

Construction Industry Manufacturers Association

A structure constructed of interlocking steel-sheet piling consisting of circular cells joined with connecting arcs. The arcs are installed after the cells are completed; the cells and arcs are filled with granular soils.. See Diaphragm-Type Cofferdam