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GoodMiller #2 Pit 112c Permit <br />Table 3.1 Average Effective Shear Strength of Compacted Soils. <br />UNIFIED <br />CLASSIFICATION <br />SOIL TYPE <br />PROCTOR <br />MAXIMUM <br />DRY <br />DENSITY <br />pcf <br />COMPACTION <br />OPTIMUM <br />MOISTURE <br />CONTENT <br />% <br />AS COMPACTED <br />COHESION <br />C. <br />tsf <br />SATURATED <br />COHESION <br />Cy, <br />tsf <br />FRICTION <br />ANGLE <br />b <br />deg <br />GW <br />well graded clean gravels, gravel -sand mixture <br />>119 <br /><13.3 <br />• <br />• <br />>38 <br />GP <br />poorly graded clean gravels, gravel sand mixture <br />>110 <br /><12.4 <br />• <br />• <br />>37 <br />GM <br />silty gravels, poorly graced gravel -sand -silt <br />>114 <br /><14.5 <br />• <br />• <br />>34 <br />GC <br />clayey gravels, poorly graded gravel- sand -clay <br />>115 <br /><14.7 <br />• <br />• <br />>31 <br />SW <br />well graded clean sands, gravelly sands <br />119 ±5 <br />13.3 ±2.5 <br />0.41±0.04 <br />• <br />38 ±1 <br />SP <br />poorly graded clean sands, sand - gravel mixture <br />110±2 <br />12.4t1.0 <br />0.24 ±0.06 <br />• <br />37±1 <br />SM <br />silty sands, poorly graded sand -silt mixture <br />114 ±1 <br />14.5 ±0.4 <br />0.53t0.06 <br />0.21=0.07 <br />34 ±1 <br />sMSC <br />sand -sill-clay with slightly plastic fines <br />119 ±1 <br />12.810.5 <br />0.21 ±0.07 <br />0.15 ±0.06 <br />33 ±3 <br />SC <br />clayey sands, poorly graded sand -clay mixture <br />115 ±1 <br />14.7t0.4 <br />0.78 ±0.16 <br />0.12=0.06 <br />31 ±3 <br />ML <br />inorganic silts and clayed silts <br />103 ±1 <br />19.2 ±0.7 <br />0.70 ±0.10 <br />0.09=• <br />32 ±2 <br />ML -CL <br />mixtures of inorganic silts and clays <br />109 ±2 <br />16.8 ±0.7 <br />0.66±0.18 <br />0.23 ±• <br />32 ±2 <br />CL <br />inorganic clays of low to medium plasticity <br />108 ±1 <br />17.3±3 <br />0.91=0.11 <br />0.14 =0.02 <br />28 ±2 <br />OL <br />organic silts and silty clays of low plasticity <br />• <br />• <br />• <br />• <br />+ <br />MH <br />inorganic clayey silts, elastic silts <br />82 =4 <br />36.3 =3.2 <br />0.76 ±0.31 <br />0.21±0.09 <br />25±3 <br />CH <br />inorganic clays of high plasticity <br />94 ±2 <br />25.5 =1.2 <br />1.07 =0.35 <br />0.12±0.06 <br />19 ±5 <br />OH <br />organic clays and silty clays <br />'deaotes insufficient dab, > is greater than, < is less than <br />(After Btr of Reclamation, 1973; 1 pcf -157.1 N1W, I tsf -95.8 kPa) <br />Figure 1- Material Properties for Slope Stability (from Huang) <br />o.,.,..a.,.., <br />Figure 2 - Slopes for Analysis at GoodMiller #2 <br />34 °) <br />2.511:1.OV, 21 a) <br />s (3.OH: 1.0V,1 8') <br />GoodMiller #2 Pit Dec 2014 U -4 <br />