subbase Definition
a layer of material laid on the subgrade, which supports the base course layer and is typically made of crushed stone or gravel.
Using subbase: Examples
Take a moment to familiarize yourself with how "subbase" can be used in various situations through the following examples!
Example
The subbase provides a stable foundation for the road surface.
Example
The thickness of the subbase depends on the type of soil and the expected traffic load.
Example
The contractor recommended adding an extra layer of subbase to improve the durability of the pavement.
subbase Synonyms and Antonyms
Synonyms for subbase
- foundation layer
- base layer
- support layer
Summary: subbase in Brief
'Subbase' [sʌbbeɪs] is a layer of material that is placed on the subgrade to support the base course layer. It is typically made of crushed stone or gravel and provides a stable foundation for the road surface. The thickness of the subbase depends on the type of soil and the expected traffic load. Adding an extra layer of subbase can improve the durability of the pavement.