Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [surface elements and surface element components]
8. surface elements (architectural)
9. pavements (surface elements)

Anotations

Scope note:

Pavements that provide high bending resistance and that distribute loads to the foundation over a relatively large area; for pavements that depend for stability on aggregate interlock, friction, and cohesion, use "flexible pavements."