Definition of Subgrade

1. Noun. The layer of native soil on which the foundation of a road is laid ¹



¹ Source: wiktionary.com

Definition of Subgrade

1. a surface on which a pavement is placed [n -S]

Subgrade Pictures

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Lexicographical Neighbors of Subgrade

subglacial lakes
subglacially
subglobose
subglobular
subglossal
subglottic
subglottically
subglumaceous
subgluteal
subgoal
subgoals
subgovernment
subgovernments
subgovernor
subgovernors
subgrade (current term)
subgrades
subgradient
subgradients
subgrain
subgrains
subgram
subgrammar
subgrammars
subgrant
subgranted
subgrantee
subgrantees
subgranting
subgrants

Literary usage of Subgrade

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Treatise on Roads and Pavements by Ira Osborn Baker (1913)
"PREPARATION OF THE subgrade. 535. Whatever the form of the pavement or of ... The method of draining the subgrade of a pavement is substantially the same as ..."

2. Manual by American Railway Engineering Association (1921)
"(6) Rock excavations should be taken out not less than six (6) inches below subgrade. (7) No waste should be permitted above subgrade closer than ten (10) ..."

3. Irrigation Engineering by Herbert Michael Wilson (1909)
"Cross-section of Calloway Canal in Sand, showing subgrade. it has been found ... The subgrade (Fig. 20) is given by practically designing the canal as if it ..."

4. Irrigation Engineering by Herbert Michael Wilson (1909)
"Cross-section with subgrade.—In the light soils of the San Luis valley in ... Cross-section of Calloway Canal in Sand, showing subgrade. it has been found ..."

5. Text-book on Highway Engineering by Arthur Horace Blanchard, Henry Bernardin Drowne (1913)
"CONSTRUCTION PREPARATION OF subgrade. The subgrade on which the gravel is to rest ... The transverse slope of the subgrade may or may not be parallel to the ..."

6. Text-book on Highway Engineering by Arthur Horace Blanchard, Henry Bernardin Drowne (1913)
"CONSTRUCTION PREPARATION OF subgrade. The subgrade on which the gravel is to ... The subgrade must be so prepared that it offers a firm surface on which the ..."

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