Subgrade definition

Subgrade means the native material at the bottom of a sub-base.

Subgrade means soils native to or imported to a site, or other materials authorized by a Department permit or this chapter, which may be graded and compacted before a landfill liner system is constructed over them.

Subgrade means the natural ground on which the road pavement sits.

Examples of Subgrade in a sentence

• The stability of the soil shall be according to the Department’s Subgrade Stability Manual for the aggregate thickness specified.

• RAP material that is gap-graded or single sized will not be accepted.(b) RAP in Aggregate Subgrade Improvement (ASI).

• Subgrade repair: Where directed by the Engineer, any localized failure in the subgrade shall be repaired by filling in selected soft, hard or natural of minimum CBR 30% and compacted in accordance with clauses in the specifications applying to normal subgrade.

• Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill immediately below subbase, drainage fill, drainage course, or topsoil materials.

• Footing Subgrade: At footing subgrades, at least one test of each soil stratum will be performed to verify design bearing capacities.

More Definitions of Subgrade

Subgrade means the foundation of supporting soil layer beneath a constructed liner other than a recompacted in situ clay liner.

Subgrade means the portion of the roadbed or sidewalk on which pavement, surfacing, base, subbase, or a layer of any other materials is placed.

Subgrade as used herein means the naturally occurring or placed and compacted material below the base course.

Subgrade means the soil prepared and compacted to support a structure or a pavement system.

Subgrade means that portion of the roadbed upon which the base course is placed.

Subgrade means the portion of the roadbed upon which the sub-base course is to be placed;

Subgrade means the top surface of the roadbed upon which select materials are placed.