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<br />BMG-SAN LUIS (SRK #14718) <br />DETERMINATION OF AVG "U' USING LAYER THEORY <br />5107/93 <br />K= 1x10^-5 cm/sec <br />HEIGHT OF COLUMN: 30 FT <br />WT OF WATER: 62.4 LB/FT^3 <br />WT OF SAT. TAILINGS: 119.0 LB/FT ^ 3 <br />e(initial): 0.9822 <br />e(final,midpoint): 0.8175 <br />DEPTH INTERVAL (F'f) MIDPOINT (FT) HEIGHT (FT) uJSIGMA SIGMA (PSF) u (PSF) SIf3MA' (PSF) Uz <br />30 24 27.00 6.00 0.005 3213 16 1528 98.95% <br />24 18 21.00 6.00 0.01 S 2499 37 1189 96.85% <br />18 12 15.00 6.00 0.020 1785 36 849 95.80% <br />12 6 9.00 6.00 0.015 1071 16 509 96.85% <br />6 0 3.00 6.00 0.005 357 2 170 98.95% <br />Uavg= 97.48% <br />e= 0.8217 <br />