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Write Darcy's equation in 2-D. There are three piezometers in an unconfined sand aquifer as shown below. The head measurements at A = 104.56 ft, B = 104.53 ft, C = 103.42 ft. The rate of recharge here is estimated to be 1.25 ft/yr. The average horizontal hydraulic conductivity (Kx) is 8 ft/dy. Assume that in the vicinity of these three piezometers, the vertical specific discharge (qz) equals the recharge rate.
a. Estimate the vertical hydraulic conductivity using the heads at wells A and B.
b. Estimate the horizontal specific discharge (qx), using the heads at wells B and C.
c. Make a scaled vector sketch showing the x and z components of the specific discharge and the resulting total specific discharge. Assume there is no flow in the y-direction
A moves downward a distance of 3.6 ft, and mass B moves a distance x. What is the value of x 2. Find the speed of mass B for a given speed of mass A The system is released from rest and mass A moves downward at a constant speed of 8.0 ft/s.
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In an unconfined aquifer having K = 30/m/day, two observation wells, 3km apart, have water levels of 50 and 40 m, respectively, above the base of the aquifer. Determine the rate of flow.
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Assume that at one end of the column a clockwise moment of 100 k-ft is present, and that at the other end of the column a counter-clockwise moment of 25 k-ft is present. you may assume that k= 1.
what is the definition of critical state. explain at which stage a critical state may be approached in a drained triaxial text on a overconsolidated clay using stress path and strain-strain plot.
A ferrari with 808 hp has a max. speed of 211 mph at 6,300 rpm. the Ferrari weighs 4,155 lb/ton and is operated over a smooth concrete road with a rolling resistance of 40 lb/ton and a slope of 3%.
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