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Dense Asphaltic Concrete Can be an Alternative to HDPE Liners

Dense Asphaltic Concrete can be an extremely versatile product, suitable for many types of applications. The ancient civilizations of Egypt, Babylon and Assyria all used bituminous lining materials and mortars for waterproofing and building, some more than 5,000 years ago, and many examples of their work remains intact even today. More recently with the advances in hydraulic […]

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The Use of a Geosynthetic Clay Liner (GCL) in Conjunction with Drainage Membranes

The use of a Geosynthetic Clay Liner (GCL) as the low permeability layer in landfill lining systems and restoration caps can provide a cost effective and readily Construction Quality Controlled alternative to natural clay. In fact this material may be the only option in regions where the local geology is such that no clay of […]

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SITA Cornwall Reports Successful Landfill Works After First 12 Months

SITA Cornwall  News (January 2008) – reports: Improvement in compliance… Landfill SITA Cornwall’s two landfill sites play an important role in managing the county’s waste. A great deal of work was carried out in 2007 at the landfills and even more is planned for 2008. It was a busy year in terms of engineering at […]

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Does Carbonate Aggregate Really Do Any Harm in Landfill Leachate Drainage Stone?

In the design of municipal landfill leachate collection systems, some state regulatory agencies require carbonate content of leachate collection system aggregate not to exceed 15 percent by weight. This requirement comes from a legitimate concern about the possibility of aggregate degradation, or loss of mass due to contact with leachate. Most involved in landfill design […]

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