Anisotropic capillary barrier for waste site surface covers
Abstract
Waste sites are capped or covered upon closure. The cover structure incorporates a number of different layers each having a contributory function. One such layer is the barrier layer. Traditionally the barriers have been compacted soil and geosynthetics. These types of barriers have not been successfully implemented in unsaturated ground conditions like those found in dry climates. Capillary barriers have been proposed as barrier layers in dry environments, but the divergence length of these barriers has been found to be inadequate. An alternative to the capillary barrier is a anisotropic capillary barrier. An anisotropic capillary barrier has an increased divergence length which results in more water being diverted laterally preventing the majority of water from percolating in a downward direction through the barrier.
- Inventors:
-
- Sandia Park, NM
- Issue Date:
- Research Org.:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- OSTI Identifier:
- 870583
- Patent Number(s):
- 5550315
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B09 - DISPOSAL OF SOLID WASTE B09B - DISPOSAL OF SOLID WASTE
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- anisotropic; capillary; barrier; waste; site; surface; covers; sites; capped; covered; closure; cover; structure; incorporates; layers; contributory; function; layer; traditionally; barriers; compacted; soil; geosynthetics; types; successfully; implemented; unsaturated; ground; conditions; found; dry; climates; proposed; environments; divergence; length; inadequate; alternative; increased; results; water; diverted; laterally; preventing; majority; percolating; downward; direction; waste sites; barrier layer; barrier layers; waste site; surface cover; site surface; /588/405/
Citation Formats
Stormont, John C. Anisotropic capillary barrier for waste site surface covers. United States: N. p., 1996.
Web.
Stormont, John C. Anisotropic capillary barrier for waste site surface covers. United States.
Stormont, John C. Mon .
"Anisotropic capillary barrier for waste site surface covers". United States. https://www.osti.gov/servlets/purl/870583.
@article{osti_870583,
title = {Anisotropic capillary barrier for waste site surface covers},
author = {Stormont, John C},
abstractNote = {Waste sites are capped or covered upon closure. The cover structure incorporates a number of different layers each having a contributory function. One such layer is the barrier layer. Traditionally the barriers have been compacted soil and geosynthetics. These types of barriers have not been successfully implemented in unsaturated ground conditions like those found in dry climates. Capillary barriers have been proposed as barrier layers in dry environments, but the divergence length of these barriers has been found to be inadequate. An alternative to the capillary barrier is a anisotropic capillary barrier. An anisotropic capillary barrier has an increased divergence length which results in more water being diverted laterally preventing the majority of water from percolating in a downward direction through the barrier.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}