WACKES WALL

WACKES Wackes

Geology

Rather gritty volcanic rocks with vacuoles filled with various minerals and which are used as building stones or pulverized as pozzolana.

WADBourre; Polochon

Explosives; Construction

1. A material used to tamp a blasthole. Syn. STOPPING; TAMPING

2. A small pad of mortar placed between the veneering and the wall, at a right angle to where the hook is sealed, when using hooks to apply veneering to a wall. (The wad must adhere to the wall and to the veneering.)

WADING ROD Perche gradu e; Perche support; Perche de mesure

Measuring Equipment

A graduated rigid rod to which are fixed one, two, and sometimes several current meters, used for the measurement of water velocity in relatively shallow rivers (< than 5 m).

(TWO-WHEELED) WAGON Efourceau

Equipment and Tools

A vehicle with two large wheels joined by an axle used to transport very heavy loads.

WAGON-DRILL Chariot de foration; Wagon drill

Equipment and Tools

A towable or self-propelled vehicle, equipped with one or several drilling arms. Syn. with BOOMER

WAIST Paillasse

Construction

A sloping slab supporting the steps of a staircase. Syn. with FLIGHT SLAB

WALKING LINE Ligne de foul e

Construction

Line placed at a constant distance from the stairwell and which must be marked off to make the full-scale working drawing of the turned staircases. The walking line is the path followed by a person at a normal distance from the railing.

WALL Paroi

Foundation

A cast or prefabricated wall set in the ground at surface level, used to support...