| Abstract: | In land burial schemes, compacted soil barriers with low hydraulic conductivity are commonly used in cover and liner systems to control the movement of liquids and prevent groundwater contamination. An experimental liner measuring 8 x 15 x 0.9 m was constructed with design criteria and equipment to simulate construction of soil liners built at waste disposal facilities. The surface of the liner was flooded with a 29.5 cm deep pond on April 12, 1988. Infiltration of water into the liner has been monitored for two years using 4 large-ring (1.5 m OD) and 32 small-ring (0.28 m OD) infiltrometers, and a water-balance that accounts for total infiltration and evaporation. Average long-term infiltration fluxes based on two years of monitoring are 5.8 x 10-9 cm/s, 6.0 x 10-8 cm/s and 5.6 x 10-8 for the large-ring, small-ring, and water-balance data, respectively. The saturated hydraulic conductivity of the liner based on small-ring data, estimated using Darcy‘s Law and the Green-Ampt Approximation, is 3 x 10-8 and 4 x 10-8 cm/s, respectively. All sets of data indicate that the liner‘s performance exceed that which is required by the U.S. EPA. |
| Genre: | Conference Paper |
| ProdID: | 70016057 |
| Citation Author: | Cartwright, Keros; Krapac, Ivan, G. |
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| Citation Editor: | Bonaparte Rudolph |
| Citation End Page: | 155 |
| Citation Issue: | 26 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geotechnical Special Publication |
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| Citation Number Of Pages: | 21 |
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| Citation Publisher: | Publ by ASCE |
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| Citation Search Results Text: | Construction and performance of a long-term earthen liner experiment; 1990; Conference Paper; Geotechnical Special Publication; Cartwright, Keros; Krapac, Ivan, G. |
| Citation Start Page: | 135 |
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| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Construction and performance of a long-term earthen liner experiment; 1990; Conference Paper; Geotechnical Special Publication; Cartwright, Keros; Krapac, Ivan, G. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1990 00:00 -0600 |
| Publisher: | Publ by ASCE |
