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Geo-synthetic Clay Liner

Geo-synthetic Clay Liner. Geotextile. Bentonite. Polyethylene Geo-Film. Geotextile. Location of Slurry Wall and GCL. Re-graded. C. L. Slope of 3H:1V. Saw Cut Asphalt Concrete Pavement . Existing Pipe. ∆ 3.5 ft. 4FT. 2 FT(Typ.). 1.5 FT. 2 FT. Proposed Elevation. Slurry Wall.

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Geo-synthetic Clay Liner

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  1. Geo-synthetic Clay Liner Geotextile Bentonite Polyethylene Geo-Film Geotextile

  2. Location of Slurry Wall and GCL

  3. Re-graded C L Slope of 3H:1V

  4. Saw Cut Asphalt Concrete Pavement Existing Pipe ∆ 3.5 ft 4FT 2 FT(Typ.) 1.5 FT 2 FT ProposedElevation Slurry Wall Not To Scale

  5. 12 inch seams GCL 15 ft Existing Pipe Slurry Wall Not To Scale

  6. ∆ 3.5 ft Join AC Pavement 4 ft 2 ft of 90% Compacted Soil 2 ft 1.5 ft GCL 2 ft Not To Scale

  7. 2ft Compacted Soil Anchor GCL Slurry Wall Not To Scale

  8. Feasibility • Calculating Cover Thickness • Vertical stress due to circular loading • Assuming HS-20 loading • Final thickness: 2 ft. • Calculating Slope Stability • Average of cross-sections located at north and south end of canal • Liner tension must fall under 312 lbs/ft or negative.

  9. Performance Re-graded C L Slope of 3H:1V

  10. Performance AFTER qDESIGN=2.55 ft3/day 40% reduction of seepage • BEFORE • qCRITICAL= 4.44 ft3/day

  11. Cost Total Cost: $700,000

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