subgrade
the prepared earth surface on which a pavement or the ballast of a railroad track is placed or upon which the foundation of a structure is built.
beneath the finished ground level of a project.
Origin of subgrade
1Words Nearby subgrade
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use subgrade in a sentence
Some engineers advocate that in preparing the subgrade, the earth be thoroughly rolled; others prefer not to roll the subgrade.
American Rural Highways | T. R. AggThe earth subgrade is brought to the proper elevation and cross section and is thoroughly rolled.
American Rural Highways | T. R. AggIts location is in the centre of the tunnel, 41/2 feet above subgrade, and 11/2 feet above the road bed.
In each grade and subgrade date of commission, appointment, or warrant determines the order of precedence.
Manual for Noncommissioned Officers and Privates of Cavalry of the Army | War Department.The pavement laid was bitulithic and the subgrade was an old macadam road built by the County.
Third Biennial Report of the Oregon State Highway Commission | S. Benson, W. L. Thompson, R. A. Booth, Herbert Nunn
British Dictionary definitions for subgrade
/ (ˈsʌbˌɡreɪd) /
the ground beneath a roadway or pavement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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