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The coefficient of consolidation of a clay for a given pressure range was obtained as 8x10^-3 mm^2/sec on the basis of one-dimensional consolidation test results. In the field, there is a 2-m thick layer of the same clay. Based on the assumption that a uniform surcharge of 70 kN/m^2 was to be applied instantaneously, the total consolidation settlemwnt was estimated to be 150mm. However, during construction, the loading was gradual; the resulting surcharge can be approximated. Estimate the settlement at t=30 days and t=120 days after the beginning of construction.
Also, at the failure cross sections the diameters are found to be 0.731 in., 0.645 in., and 0.587 in., respectively. Determine the percent elongation and percent reduction in area of each specimen.
The PI is at station 250+50, the design speed is 65mi/h, and a maximum superelevation of 0.07 ft/ft is to be used. If the central angle of the curve is 38 degrees, design a curve for the highway by computing the radius and stationing of PC and PT.
Benefits associated with a project are $10,000 forever starting in year 1. The costs are $20,000 in year 0 and $20,000 in year 3. What is the B/C ratio at i=12% per year. First determine present worth for benefit and cost, respectively.
Typical water supply at a faucet in any building is conveyed in copper pipe that is ½" in inside diameter, with a wall thickness of 0.040". If the water pressure is 50 psi and the valve is closed (meaning that water is not flowing)
At the morning break, an industrial engineer quickly measures the worker's heart rate and finds a peak value of 110 beats/min one minute after stopping work and a value of 95 beats/min three minutes after stopping work.
A rinsed and dried filter weighed 0.3588 grams before the sample was filtered and then weighed 0.3630 grams after the sample was filtered and being at dried at 103C. What is the TSS for this sample
A flume discharges 42.0 cfs on a slope of 0.50 ft in 1000 ft. The section is rectangular, and Manning's roughness coefficient is 0.012. Determine the best hydraulic section, i.e., the dimension for minimum wetted perimeter.
calculate the total metabolic heat generated by a singing canary taking into account heat transfer by radiation, convection and exhaling air. The air temperature is 20`C, canary's body internal and surface temperature is 33`C
8 Forces of 10.0 N north, 20.0 N east, and 15.0 N south are simultaneously applied to a 4.00 kg mass as it rests on an air table. Determine the magnitude and direction of the object's acceleration.
A stratified lake could be idealized as two layers: with 7.0 m of fresh water on top and 10.0 m of cold water (specific gravity = 1.02) on the bottom. What are the pressure heads at the interface and at the bottom of the lake, in terms of water col..
. In order to get full credit for this problem you must list all unknown species that would exist in the raindrop and all pertinent equations regardless of their level of significance. You must algebraically solve the equations to determine pH.
The coefficient of static friction between each crate and the ground is 0.25 The crates are next to each other connected by a rope and then from the other end one has a P force going up at an angle of 30 degrees
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