trial pit


Also found in: Wikipedia.

trial pit

[′trīl ‚pit]
(mining engineering)
A shallow hole, 2 to 3 feet (60 to 90 centimeters) in diameter, put down to test shallow minerals or to establish the nature and thickness of superficial deposits and depth to bedrock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

trial pit

A small-diameter hole in the ground, excavated to investigate the nature of the soil and to determine the distance to bedrock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
A time trial pits riders against the clock as well as against their rivals with many competitors using specially designed aerodynamic bicycles and clothing to help achieve high average speeds.
ACES Riyadh's scope of work consists of drilling a total of 100 boreholes to depths ranging from 10 to 25 metres, probing for cavities and grouting, and conducting extensive in-situ testing and monitoring, including installation of piezometers, standard penetration test, falling head permeability, and trial pits.
The extensive scope of work, which was awarded to ACES by Consolidated Contractors Company (CCC) and Nepti, includes drilling of 135 offshore boreholes with depths up to 20 meters below seabed, drilling of 425 on land boreholes with depths up to 35 meters and excavation of trial pits.
A spokeswoman said: "These investigations consist of a number of machine excavated trial pits and trenches for a more detailed understanding of ground conditions and archaeology.
Structural engineers and archaeologists have dug trial pits to investigate the cause of subsidence affecting the massive sandstone Propylaeum at Chester Castle.
| Mott MacDonald Bentley Ltd, discharge of conditions and on previous permission for listed building consent for investigation works inc core drilling and trial pits, Butterley Reservoir, Wessenden Road, Marsden.
Initial investigations and trial pits have already discovered significant remains - including the presence of a Roman road.
But Mr Ebrey, a retired Birmingham Council education officer, was worried about the effect of trial pits and boreholes being drilled at a third site, which is set to home a new cricket pitch, practice nets, bowling green and pavilion.
"Our contractors will be digging trial pits and drilling boreholes along the beach and promenade from Coatham and along the Stray.
In the operation 25 bore holes will be drilled to a depth of up to 20 metres and a number of trial pits will also be opened.
A council spokeswoman said the work being carried out was one of 20 "trial pits" being dug in the Wyken area to look at the services underneath.
Ground probes including a seismic survey and trial pits have already been completed and ecological studies and traf-fic surveys are being updated.