subgrade Definition
- 1the natural or prepared surface upon which the pavement structure is placed
- 2the layer of native soil on which the foundation of a road is laid
Using subgrade: Examples
Take a moment to familiarize yourself with how "subgrade" can be used in various situations through the following examples!
Example
The subgrade must be properly prepared before laying the asphalt.
Example
The stability of the road depends on the quality of the subgrade.
Example
The contractor will have to remove the old subgrade before laying the new foundation.
subgrade Synonyms and Antonyms
Synonyms for subgrade
Phrases with subgrade
a system of drains and pipes installed beneath the subgrade to prevent water from accumulating and damaging the pavement
Example
The subgrade drainage system was not properly installed, causing the road to flood during heavy rain.
the process of improving the strength and stability of the subgrade by adding materials such as lime, cement, or asphalt
Example
The subgrade stabilization process was necessary to prevent the road from sinking due to weak soil.
the process of compressing the soil of the subgrade to increase its density and strength
Example
The subgrade compaction was done using a roller to ensure that the soil was firm and stable.
Summary: subgrade in Brief
The term 'subgrade' [sʌbɡreɪd] refers to the natural or prepared surface on which a pavement structure is placed. It is the layer of soil on which the foundation of a road is laid. The stability of a road depends on the quality of the subgrade, which can be improved through processes like subgrade stabilization and subgrade compaction.
