Laserfiche WebLink
Table 43-7. Values of A for determination <br />fr~ observed hydremeter readings (Uay of particle <br />, 1956). size <br /> R B R 8 R B <br /> -5 50.4 11 <br />• -4 50.1 11 46.4 26 42.2 <br /> -3 49.9 12 46.2 27 41.9 <br /> -2 49.6 13 45.9 28 41.6 <br /> -1 49.4 14 45.6 29 41.3 <br /> 0 49.2 15 45.3 30 41.0 <br /> 1 48.9 16 45.0 31 40.7 <br /> 2 48.7 17 44.8 32 40.4 <br /> 3 48.4 18 44.5 33 40.1 <br /> 4 48.2 19 44.2 34 39.8 <br /> 5 47.9 20 43.9 35 39.5 <br /> 6 47.7 21 43.7 36 39.2 <br /> 7 47.4 22 43.4 37 38.9 <br /> 8 47.2 23 43.1 38 38.6 <br /> 9 47.0 24 42.8 39 38.3 <br /> 10 46.7 25 42.5 40 38.0 <br /> LEGII~ID: <br />R = hydrometer scale reading, <br />g./liter. <br /> 8 = sedimaitation parameter ba sed on a temperature of 30o C. and a <br /> particle density of 2.650 g./ml. for ASIM hydrometer 152H. <br /> Plot P versus S on semilogarittmic paper, using the log scale for S. Interpolate <br /> the simmation percentage far Sand, Silt and Clay. <br />• <br />ei <br />CLAY ~ SILT I SAPID <br />I: s l z s l z s~ z s l z <br />loo <br />eo <br />sand 7e ..:. 2"0 ~ 6, <br />Silt 7e Y 63 <br />clay ~, :.. 17 p <br />• <br />40 <br />20 <br />o.ool o.ol o.l I <br />PARTICLE SIZE ~X~. mm. <br />6-46 <br />