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Interpretation of SGI Interface Shear Strength Test Results Page 4 <br />Foothill Sanitary Landfill - Area 2A Liner System 8/4/15 <br />TABLE 1 .... ._... ....... <br />._...... _...... SUMMARY OF SGI INTERFACE SHEAR STRENGTH TEST RESULTS. ....... .... <br />FOOTHILL SANITARY LANDFILL-AREAZA, SAN JOAQUIN COUNTY, CA <br />• <br />Measured Interface <br />Strength <br />Normal <br />Required <br />Post -Peak <br />Series 1- GCL/FLS <br />Single Interface <br />GCL/Foundation Soil <br />Series 2 - GM/GCL <br />Single Interface <br />GM/GCL <br />Series 3 - GM/GC <br />Single Interface <br />GM/GC <br />Series 4 - Base Multiple <br />Base Liner <br />Sandwich Test <br />Series 5 - Sideslope Multiple <br />Sideslope Liner <br />Sandwich Test <br />Base - Combination <br />Sideslope - Combination <br />Stress psf <br />Strength <br />Peak Post -Peak <br />Peak Post -Peak <br />Peak Post -Peak <br />Peak Post -Peak Peak Post -Peak <br />Peak Post -Peak Peak <br />Post -Peak <br />0 <br />0 <br />0 0 <br />0 0 <br />0 0 <br />0 0 <br />0 0 <br />0 <br />0 <br />1000 <br />404 <br />757 649 <br />720 445 <br />599 , 372 <br />672 535 <br />625 '` "r'v365 <br />445 <br />372 <br />4000 <br />1174 <br />2765 2354 <br />2395 16251 <br />2235 "- °"AI54 <br />2386 1527 <br />2127„ ii,,, , d,//�'�5' <br />1625 <br />1154 <br />6000 <br />1370 <br />3582 615* <br />3489 1977 <br />3013 1477 <br />3448 1811 <br />2968 1465 <br />1977 <br />1477 <br />8000 <br />1515 <br />4596 791* <br />4506 2355 <br />3794 1735 <br />4293 2195 <br />3742 1696 <br />2355 <br />1735 <br />12000 <br />1555 <br />5725 969* <br />56701 16091 <br />5243 2280 <br />59711 2391 <br />5270 2322 <br />1609 <br />2280 <br />12000 <br />1555 <br />7104 1195*,** <br />5478 15717—!1* <br />4 • <br />