EAGLESTONE EARTHY INSERTION

EAGLESTONE Pierre d'aigle

Geology

A hollow stone, inside of which is set another stone which is detached from it and that sounds by agitation.

EARTH Terre

Geology

1. The matter constituting the surface layer of the sphere where grow the vegetables and considered especially in its nature, composition and consistency.

2. The name given to the metallic oxides that had been formerly looked such as the elements having for primary characters to be dry, fixed, odorless, insipid, insoluble in water, such as yttria, alumina, silica.

Syn. with GROUND; SOIL

EARTH COHESION Coh sion des terrains

Geotechnics

The property that characterizes the homogeneity of a soil and that is equal by the necessary tangential strain to make slipping the ground following the plan where exerts said it strain. There exists two types of cohesion:

• real ( la coh sion r elle), due to the attraction of grains of thin materials;

• apparent ( la coh sion apparente), brought about by the capillarity phenomena.

EARTH FLANGE Bourrelet

Earthwork

Any earth rising on a recent filling left over or put in place in the expectation of the normal settlement of this filling. Syn. with WASTE

EARTH PRESSURE Pouss e des terres

Geotechnics

A horizontal pressure exerted by a solid mass of ground on the vertical walls or vaults (retaining walls, sidewalls, etc.).

On a vertical wall, the thrust is not horizontal like would be a hydrostatic pressure, but tilted downward according to the angle of friction of the wall, with for maximum, if it has...