Published: May 29, 2017 | Last updated: July 5, 2023

What Does Borehole Mean?

A borehole is a hole that is bored beneath the ground during the course of a geotechnical evaluation of a design pathway for the installation of underground services. Conceptually similar to potholing, a borehole provides information about the design pathway itself. It may be horizontal or vertical in direction and is used to collect soil, water and rock samples and cores from the pathway along which the final bore will be created.


Trenchlesspedia Explains Borehole

A borehole can inform drilling engineers of subsurface conditions that may require special bits, the location of soft soils or other circumstances impacting the trenchless construction process.

Boreholes drilled during geotechnical investigations prior to trenchless conbstructionb offer information about subsurface conditions. The information obtained from drilling a borehole is greater than that from simple potholing with a shovel. The borehole can follow the design pathway horizontally at the appropriate depth, whereas digging potholes by hand often cannot. Boreholes, however, are not a substitute for ground penetrating radar (GPR), potholing or other investigative techniques.



Bore Hole

Bore Whole

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