Soil concrete or Bentonite for water resources and landfills.

Water resources like lakes present special challenges, as do landfills.

Soil concrete

We reduce permeability and increase compressive strength by mixing Portland cement with on-site soil and water ("Soil concrete"). Soil cement's comparatively low cost, ease of construction, utilization of on-site soils make it economical as well as durable. Soil-cement has served as a low permeability lining materials in water resources for over 50 years. In addition to water storage reservoirs soil cement has been used for:

• Pond and lake liners
• Channel and slope protection
• Wastewater-treatment lagoons
• Sludge-drying beds
• Solid waste landfills

Bentonite

Another option is soil treatment with Bentonite, which allows for maximum creative expression in artificial lakes and ponds. It uses existing soil as part of the liner system, and is the ultimate protection against landfill leakage.

Spreading and mixing bentonite into existing soils provides lower permeability for the creation of artificial lakes and ponds. Bentonite treated material is also used as an effective way to contain leachates within landfill limits.

Foamed Asphalt

Foam asphalt stabilized material can be placed, shaped, compacted and open to traffic immediately after mixing and remains workable for extended periods of time.It is another great option for major arterials and highways. PRS has the equipment and staff to help you make the right choice.

Asphalt Foaming occurs when small amounts of water come in contact with hot asphalt. This thermal reaction increases the surface area of the asphalt, thus decreasing its viscosity. Each tiny foam bubble is a carrier of a thin film of asphalt. The small amount of water will evaporate off immediately after reaction and not become part of the asphalt. The tiny particles of bitumen disbursed by the foam bubbles adhere to the finer gradings producing an asphalt-enhanced filler that acts as a mortar or mastic to bind the larger gradings together.

Stockpiling and delayed placement is possible requiring only moisture conditioning to aid in compaction. Materials to be treated must have sufficient fines to allow for proper dispersal of the foamed asphalt.