In highway engineering, subbase is the layer of aggregate material laid on the subgrade, on which the base course layer is located. It may be omitted when there will be only foot traffic on the pavement, …

SubBase is a transformative tool for NexGen. It has streamlined operations, improved collaboration, and enhanced visibility, significantly saving time and cost.

The subbase layer is typically used to protect the pavement from the effects of frost heave and/or used to improve the constructability of the pavement layers above the subbase.

Jun 22, 2025 · What Is a Subbase in Construction? The subbase is the layer of material placed immediately above the subgrade and directly below the base course or pavement.

A subbase, in construction terms, is the layer of material placed directly beneath the base or pavement of a structure. It serves as a critical component that supports the weight of the overlying construction …

A subbase is a layer of material placed between the subgrade and the base course in pavement construction, providing support and stability to the pavement structure.

Jul 24, 2025 · Subbase : Granular materials such as crushed stone, gravel, or slag. Selecting appropriate materials is vital for achieving the desired structural and functional performance of the slab.

The meaning of SUBBASE is underlying support placed below what is normally construed as a base.

Mar 6, 2020 · The subbase is the layer of aggregate material that lies immediately below the pavement and usually consists of crushed aggregate or gravel or recycled materials (see Section 6C-1 - …

A subbase is a thin layer of material placed on top of the prepared subgrade. Subbases provide uniform support to the pavement and a stable platform for construction equipment.