Soil cement is a construction material that mixes soil, cement, and water. It is a type of soil stabilization technique that improves the properties of the native soil, making it more durable and resistant to erosion while reducing its permeability. The process involves mixing the soil and cement in specific proportions, typically ranging from 5% to 15% cement by weight, with the addition of water to create a slurry. The resulting mixture is then compacted into the desired shape and allowed to cure or harden.
Soil cement is commonly used as a base or sub-base for roadways, airport runways, and other heavy traffic areas and for foundation and retaining wall construction. It is a cost-effective alternative to traditional concrete or asphalt pavement, especially in areas where suitable aggregates are not readily available or where environmental concerns limit the use of such materials.