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co <br /> 'b <br /> A <br /> n <br /> ti <br /> O <br /> ti <br /> ON <br /> Table 3.1 Average Effective Shear Strength of Compacted Soils. <br /> PROCTOR COMPACTION <br /> MAXIMUM OPTIMUM AS COMPACTED SATURATED I'McnON <br /> DRY MOISTURE COHESION COHESION ANGLE <br /> UNIFIED DENSITY CONTENT C. Cry <br /> "Ll CLASSIFICATION SOIL TY►E pcf % tsf tsf deg <br /> Tq GW well graded clean gravels,gravel-sand mixture >119 <13.3 >38 <br /> C GP poorly graded clean gravels.gravel sand mixture >110 <12.4 >37 <br /> GM silty gravels,poorly graded gravel-sand-silt >114 <14.5 >34 <br /> GC clayey grovels,poorly graded gravel-sand-clay >I15 <14.7 >31 <br /> �T] n SW well graded clean sands. gravelly sands 119t5 13.3a2.5 0.41t0.04 38t1 <br /> SP poorly graded clean sands,sand-gravel mixture 110=2 12.411.0 0.24t0.06 37t1 <br /> S161 silty sands,poorly graded sand-silt mixture 1142:1 14.520.4 0.53tO.06 0.21t0.07 34_I <br /> H+ SM-SC sand-silt-clay with slightly plastic fines 119t1 12.9=0.5 0.21t0.07 O.15t0.06 33t3 <br /> SC clayey sands.poorly graded sand-clay mixture IML1 14.7t0.4 0.78t0.16 0.12t0.06 31t3 <br /> rZ ML inorganic silts and clayey silts 103t1 19.2a:0.7 0.70t0.10 0.09t• 32=2 <br /> O ML-CL mixtures of inorganic silts and clays 109t2 16Ja0.7 0-66t0.18 0.23t• 32s2 <br /> CL inorganic clays of low to medium plasticity 108t1 17.323 0.91t0 11 0.14tO.02 28t2 <br /> OL organic silts and silty clays of low plasticity • • ' <br /> C MH inorganic clayey silts,elastic silts 82t4 36.3m3.2 0.76t0.31 0-21=0.09 25t3 <br /> CH inorganic clays of high plasticity 94t2 25.5t1.2 1.07tO.35 0.12t0.06 19t5 <br /> O OH orgartic clays and silty clays <br /> 0Q <br /> `--� •denntn imul6nerN dra. >it greater tA+a.<u less duo <br /> (After Bureau of peclanunm.1973;1 pcf-157.1 Nar'.I tsf-95.It kPal <br />