Laserfiche WebLink
Client Memorandum <br />Geotechnical and Slope Stability Analyses <br />Sylvester Gulch Facilities Area <br />• March 20, 2009 <br />Page 3 <br />0 <br />• <br />Table 1- Summary Table of 2008 Geotechnical Results <br />Test Moisture- Atterbergs GSA Compaction Direct Triaxial Perm. Consol.- <br />Pit/De th Density Class. Shear Comp. Swell <br />TP-1 MC=7.1% PI=19 CL ------- ------ ------- ------- ------- <br />@2ft <br />TP-1 MC=11.2% PI=15 CL- ------ ------ ------ ------ ------ <br />@4 ft DD=107 pcf SC <br />TP-1 MC=9.1% PI=19 CL- MDD=109 o=20° , 4.4x10-9 ------ <br />@5-7 ft SC pcf; C=375 cm/sec <br /> OMC=16.5% psf <br />TP-2 MC=18.8% PI=37 CH ------ o=23°; ------ ------ ------ <br />@4 ft C=196 <br /> psf <br />TP-2 MC=10.1% PI=17 SC ------ ------ ------ ------ ------ <br />@6 ft DD=102 pcf <br />TP-2 MC=3.8% PI=14 CL ------ ------ ------ ------ ------ <br />(a, 6.5-9 ft <br />TP-3 MC=10.2% PI=15 CL- ------ ------ ------ ------- ------- <br />@ 3 ft SC <br />TP-3 MC=12.5% PI=21 CL ----- ------ ------ ------ ------ <br />@7 ft DD=102 pcf <br />TP-3 MC=4.4% ------ Sc- ------ ------ ------ ------ ------ <br />@8-10 ft CL <br />TP-4 MC=8.5% PI=12 CL ------ ------ ------ ------ 15% 100 to <br />@1.5 ft 1,000 psf; <br /> swell<100psf <br />TP-4 MC=6.3% PI=23 SC ------ ------ ------ ------ ------ <br />@4 ft DD=111 pcf <br />TP-4 MC=4.8% PI=13 GC- MDD=110 ------ ------ ------ ------ <br />@6-8.5 ft SC pcf; <br /> OMC=15% <br />TP - Test Pit <br />MC - Moisture Content <br />DD - Dry Density <br />OMC - Optimum Moisture Content <br />PI - Plasticity Index <br />MDD - Maximum Dry Density <br />OMC - Optimum Moisture Content <br />o - angle of internal friction <br />C - cohesion <br />CL - silty clay to sandy clay <br />SC - clayey sand <br />CH - high plasticity, or fat clay <br />GC - clayey gravel <br />psf - pounds per square foot <br />pcf - pounds per cubic foot <br />cm/sec - centimeters per second <br />Rev. 04109-TR116