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Landfill Linings

Landfill Linings

WALO has created a Dense Asphaltic Concrete (DAC) impermeable landfill barrier system. It is impermeable to methane and leachate that can be found in most solid waste deposits and are a major concern for any wastes deposit site operator due to its negative effects on the environment.

The application of Dense Asphaltic Concrete (DAC) means that landfill sites can now safely house toxic waste. Many potential sites, such as old quarries, are dismissed out of hand as unsuitable for waste treatment as they have very steep walls. However, landfill designers and engineers looking for practical solutions find that DAC is very stable on slopes, even those as steep as 1:1.6 gradient, which means even sites with very steep walls can now safely be used as landfill-sites.

 

Very strong – yet very flexible – DAC provides decades of impermeable sealing service in the waste treatment industry. A a typical DAC System has a total thickness of approximately 1 foot. It is made of a 3 inches (80mm) Dense Asphalt Concrete working as a sealing layer, a 2.4 inches (60mm) Asphalt Binder layer and a 7.8 inches (200mm) Stabilizing Layer made of crushed aggregates.

Leistung: Landfill Linings

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WALO US Holdings Inc.
433 Broadway, Suite 604
New York, NY 10013
Tel. +1 (212) 691-4537

walo.usa@walo.com

 

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