Cohesionless

A material that does not readily bond with other particles.

Cohesionless Soils (Noncohesive Soils)

Earth materials containing less than 20 percent soil particles passing the #200 sieve. Any free-running soil, such as sand or gravel, whose strength depends on friction between particles.

Cohesive Soil

Earth materials containing 20 percent or more soil particles passing the #200 sieve.

Colcrete

Proprietary equipment to measure the workability of annulus grout.

Cold Bend

To force the pipe into a curvature without damage, using no special tools, equipment or elevated temperatures.