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COMPACTED SOIL BARRIERS OF ABANDONED LANDFILL SITES ARE LIKELY TO FAIL IN THE LONG-TERM
Citation:
II, G., R. Luxmore, AND E. Smith. COMPACTED SOIL BARRIERS OF ABANDONED LANDFILL SITES ARE LIKELY TO FAIL IN THE LONG-TERM. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-93/430 (NTIS PB94101862), 1993.
Description:
Buried wastes are isolated from the environment by barriers constructed entirely or in part of compacted soil. he chief concern in barrier design has been to isolate the waste in the short term by preventing movement of water into and through the waste. owever, in the long term a variety of mechanisms can act to compromise this isolation. he mechanisms of long term failure include initial flaws in barrier construction, shrink-swell cycles, freeze-thaw cycles, erosion, subsidence, root intrusion, and animal intrusion. vidence for action of all of these mechanisms is summarized. he likelihood of long-term failure suggests that either perpetual care must be provided for buried hazardous wastes, or the waste sites must be designed to withstand long-term threats to barrier integrity.
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COMPACTED SOIL BARRIERS OF ABANDONED LANDFILL SITES ARE LIKELY TO FAIL IN THE LONG-TERM