core boring

core boring

In the ground at a construction site, a core obtained with a rotating tool; used to determine the nature and/or thickness of the underlying rock.
References in periodicals archive ?
A core boring was taken from the center of the heartwood face in the middle of the length of each sample, avoiding incision marks, and ovendried at 50[degrees]C overnight.
traffic on Walnut Street between Seventh and Eighth streets will be reduced to one lane, alternating, during core boring operations.
With the help of annual growth rings of trees and analysis from ice core borings, researchers have been able to calculate the temperature for the global climate 2000 years back in time.
Work on this contract will be performed in August 2007 and will include deep core borings to define special site conditions at the anchor location.
As previously reported on August 6, 2003, IERI and Spooner and Associates reported the results of drilling 3,000 feet of core borings and taking hundreds of samples for assaying from locations surrounding the historic Hayes Mine located within the boundaries of the Twin Peaks Mine.