||Field and Laboratory Testing of a Compacted Soil Liner.
Elsbury, B. R. ;
Sraders, G. A. ;
Anderson, D. C. ;
Rehage, J. A. ;
Sai, J. O. ;
||McClelland Engineers, Inc., Houston, TX. ;Brown (K.W.) and Associates, Inc., College Station, TX. ;Texas Univ. at Austin.;Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
Hydraulic conductivity ;
Performance evaluation ;
Design criteria ;
Moisture content ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||The project was initiated to provide information on the construction criteria that control the performance of compacted soil liners. The information generated by the study is intended to be used in regulating, designing, and constructing soil liners that meet the mandated maximum hydraulic conductivity of 1 x 10 to the minus 7 cm per sec. The construction criteria that have the greatest impact on soil liner performance were tentatively identified. On the basis of these criteria a field liner was designed and constructed under close control. An extensive program of monitoring the construction and of testing the liner's density and moisture content was undertaken. After construction, the hydraulic conductivity of the liner was measured in the field using four 25-sq-ft (2.3-sq-m) sealed double ring infiltrometers, set in the liner surface and a 256-sq-ft (23.8-sq-m) lysimeter set in the gravel underdrain. Laboratory testing was also performed on samples of the liner taken using 3-in.- and 6-in.-diameter thin-walled tube samplers and from hand-carved blocks of soil.
||Prepared in cooperation with Brown (K.W.) and Associates, Inc., College Station, TX., and Texas Univ. at Austin. Sponsored by Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
||PC A08/MF A01