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• t 01 of 1 <br /> TABLE 12 <br /> INTERFACE SHEAR TEST CONFIGURATION(TEST SERIES 1-3-INDIVIDUAL INTERFACE) <br /> CQA SERVICES FOR CONSTRUCTION OF AREA 2A AT <br /> FOOTHILL SANITARY LANDFILL,SAN JOAQUIN COUNTY,CA <br /> Test Conditions <br /> Consolidation <br /> GCL Hydration I'mire Systein <br /> (Distilled (Submerged in <br /> Test 'rest Interface Description Norinal Water) Distilled Water) Shear Shear <br /> Series Roll Shear Soil Stress Stress Thne Stress Time Rate Displ. <br /> No. Material Number Orientation Box Conipaction (pst) (psf) (hours) (pst) (hours) (in/inin) (in) <br /> 1 Upper Box:Foundation Layer Soil - N/A-See Note 1 12"x 12" See notes 1,000 1,000 16 0.04 3.00 <br /> 502252263 <br /> Hydrated Bentoliner NWL 45 GCL & Heat-treated side up against foundation layer soil below 4,000 4,000 16 0.04 3.00 <br /> 502252695 <br /> Lower Box:Concrete Sand - N/A 6,000 6,000 16 0.04 3.00 <br /> 8,000 8,000 16 0.04 3.00 <br /> 12,000 12,000 16 0.04 3.00 <br /> 2 Upper Box:Concrete Sand - N/A 12"x 12" 1,000 125 20 1,000 16 0.04 3.00 <br /> Hydrated Bentoliner NWL 45 GCL 502252383 Non heat-treated side down against HDPE 4,000 125 20 4,000 16 0.04 3.00 <br /> 60-mil DST HDPE Geomembrane 108181768 - 6,000 125 20 6,000 16 0.04 3.00 <br /> Lower Box:Concrete Sand - N/A 8,000 125 20 8,000 16 0.04 3.00 <br /> 12,000 125 20 12,000 16 0.04 3.00 <br /> 3 Upper Box:Concrete Sand - N/A 12"x 12" 1,000 1,000 16 0.20 3.00 <br /> 300-mil Double-Sided Geocomposite 131465785 Outside(net strands parallel to MD)down against 4,000 4,000 16 0.20 3.00 <br /> HDPE <br /> 60-mil DST HDPE Geomembrane 108181792 - 6,000 6,000 16 0.20 3.00 <br /> Lower Box:Concrete Sand - N/A 8,000 8,000 16 0.20 3.00 <br /> 12,000 12,000 16 0.20 3.00 <br /> Notes: <br /> 1. Foundation Layer Soil <br /> • Compact Foundation Layer soil at 90 percent relative compaction and OMC+4%based on ASTM D1557 (Ydmax=98.5 pcf,OMC=23.0%). <br /> 2. Wetted by Spraying Water <br /> • For Test Series 1,spray upper surface of GCL with distilled water. <br /> • For Test Series 2,spray lower surface of GCL and upper surface of HDPE geomembrane with distilled water. <br /> • For Test Series 3,spray lower surface of geocomposite and upper surface of HDPE geomembrane with distilled water. <br /> 3. For Test Series 2,soak the GCL separately outside the shear box at 125 psf,Apply normal stress first and then start soaking. <br /> 4. Please measure and report asperity height of geomembrane(both sides). <br /> S. Please measure and report moisture content of GCL before and after the test and peel strength of GCL. <br /> Adrsnc,wd <br /> P:\14 Projects\14-101(SJCDPW North County and Foothillffoothill CQA\Report\Tables\Interface Configuration-Foothill LF.xlsx � eau , <br />