Sentence examples for underground voids from inspiring English sources

Other devices can detect variations in the earth's gravitational field, revealing underground voids.

Cemented coal gangue-fly ash backfill (CGFB, a mixture of binder, coal gangue, fly ash and water) is introduced and applied to fill underground voids in coal mines.

The potential for underground cavity mapping is assessed using synthetic simulations and observations at a test site where the position of underground voids is known.

Radar that can penetrate the ground and devices that spot underground voids by detecting slight variations in the earth's gravitational field have recently been tested by the Air Force.

In recent years, the municipality authorities have promoted scientific research in the field of engineering geology to locate these underground voids and to establish a standard methodology to assess the associated risk affecting the overlying structures.

Cemented coal gangue fly ash (CGF) mixtures are made by mixing cement, coal gangue, fly ash and water, and the CGFs are commonly used as the backfill materials for filling underground voids in coal mines.

And where there is an underground void, there will soon be a sinkhole.

This fresh water comes in contact with a layer of rocky salts and dissolves it, creating an underground void.

This paper introduces a blind test of nondestructive underground void detection in highway/pavement using ground penetrating radar (GPR).

Applications to underground void structures, such as cavern and tunnel, as well as underground solid structure such mine pillar are demonstrated.

A busy Dundee road, closed following the discovery of an underground void the size of a double-decker bus, has been reopened.