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Separate triaxial compression tests are performed on identical soil samples. The soil is a saturated mixed soil. Both tests follow the procedure for consolidated-undrained conditions. At failure, the respective minor and major principal stress values are 20 kPa and 46 kPa for one and 40 kPa and 80 kPa for sample two. From these data, determine the value for (phi)cu and the cohesion intercept c on the Mohr's circle shear stress coordinate. (This problem can be solved graphically using Mohr's circle).
Waste water is dischared into a aquifer. This waste water contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/ML and the solubility is 50 ppm.
For the grouped data acting as of each of the data point in an interval was actually located at the midppoint of that interval, compute the sample mean,variance and standard deviation and compare with the results above.
a pre-engineering base line was run down a very steep hill.rather than measure horizontaily down hill with steel tape
The head difference between manometer levels was 4.9 cm during the test, and the water temperature was 20 degrees celcius. If it took 152 second for 500 ml of water to discharge, determine the soil's coefficient of permeability.
An irregular piece of unknown ore weighs 7 lb in air and was found to weigh 5.6 lb in water when submerged.
A buried stock-water pipeline conveys water from a water source at Point 1, rises to pass up and over the peak of a hill (Point 2) before falling to Point 3 in the pipeline some
A velocity field is given by V = xi + x(x-1)(y-1)j, where u and v are in feet. Plot the streamline that passes through x = 0 and y = 0. Compare this streamline with the streakline through the origin.
Hydraulic cylinders with a stroke of 72 inches are available with bore sizes from 2 o 8 inches. Hydraulic piston pumps with an operating pressure range from 200 to 3000 psig are available with pumping capacities of 5, 10, and 15 gallons per minute..
An energy efficiency project has a first cost of $300,000, A life of 10 years, and no salvage value. Assume that the interest rate is 9%. The most likely value for annual savings is $60,000. The optimistic value for annual savings is $80,000 with a p..
Rhodium has an atomic radius of 0.1345nm and a density of 12.41g/cm^3. determine whether it has an FCC or BCC crystal structure
fator dumps 5m^3/s of nonconservative waste with concentration 100mg/l into the lake. the pollutant has a reation rate coefficient K of 0,23/day assuming the pollutant is well mixed in the lake, find steady state concentration of pollatant in the ..
Calculate the moments M_A and M_B about point A for the forces applied at points A and B. Then, determine the resulting couple moment M_R. Assume that a positive moment produces a counterclockwise rotation whereas a negative moment produces a cloc..
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