Laserfiche WebLink
Bouwer&Rice Page 1 of 2 <br /> Well No. A-2 <br /> Golder Name BH6 <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 /> Y <br /> x <br /> x 0.100 <br /> 0.010 <br /> 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00 <br /> Elapsed time(mans) <br /> K Hydraulic conductivity <br /> r. 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 /> R. Radial distance over which the head difference ho is dissipated 3.07 feet <br /> d Length of well screen or open section of well 10.00 feet <br /> Line 1 ho Head in the well at a time to=0 0.40 - feet <br /> Line 1 lit Residual Head in the well at a time t>to t3.1Q feet <br /> D Saturated thickness of aquifer(approximately) 11.53 feet <br /> b Distance between static water level and bottom of screened section 11.03 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. 110 <br /> Line 1 t Chosen elapsed time from plot above 20.00 mins <br /> d/rw, Calculated parameter to obtain A and B factors from Bower and Rice curves 68.60 <br /> In(R,/r,,)= 1 3.05 <br /> 1.1 + A+B In((D-b)/rw,) <br /> In(b/r.) d/r.. <br /> K= r.2 In(R,/rW) x In(hdh,) t K(feet/min) K(m/s) K(cm/s) <br /> 2dt Line 1 1.26E-04 6.41E-07 6.41E-05 <br /> A2FALL.ANL <br />