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Bouwer&Rice Page 1 of 2 <br /> Well No. B-I <br /> Golder Name BH1 <br /> Test Type Falling Head <br /> Bouwer and Rice Analysis <br /> Bouwer and Rice,1976 <br /> ♦Residual Head <br /> 10.000 <br /> 1.000 <br /> a <br /> b <br /> b <br /> a 0.100 <br /> 0.010 <br /> 0.00 10.00 20.00 30.00 40.00 50.00 60.00 <br /> Elapsed time(mina) <br /> K Hydraulic conductivity <br /> rc Radius of the unscreened part of the well 0.11 feet <br /> rw Horizontal distance from well centre to undisturbed aquifer 0.15 feet <br /> Re Radial distance over which the head difference ho is dissipated 3.42 feet <br /> d Length of well screen or open section of well 10.00 feet <br /> Line 1 ha Residual head in the well at time t=0(to) O 53 feet <br /> Line 1 lit Residual Head in the well at chosen elapsed time t 0,30 feet <br /> D Saturated thickness of aquifer(approximately) 13.99 feet <br /> b Distance between static water level and bottom of screened section 13.49 feet <br /> A Dimensionless constant obtained from the Bouwer and Rice curves. 3,60 <br /> B Dimensionless constant obtained from the Bouwer and Rice curves. 1,20 <br /> Line 1 t Chosen elapsed time from plot above 18.00 mms <br /> d/rw Calculated parameter to obtain A and B factors from Bower and Rice curves 68.60 <br /> In(R./rw)= 1 3.15 <br /> 1.1 + A+B In((D-b)/rw) <br /> In(b/rw) d/rw <br /> K= r,2 In(R,/rw) x In(ha/ht) t K(feet/min) K(m/s) K(cm/s) <br /> 2dt Line 1 5.96E-05 3.03E-07 3.03E-05 <br /> BIFALL.ANL <br />