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A layer of clay 4m thick lies between two layers of sand each 4m thick, the top of the upper layer of sand being ground level. The water table is 2m below ground level but the lower layer of sand is under artesian pressure, the piezometric surface being 4m above ground level. The saturated unit weight of the clay is 20kN/m3 and that of the sand 19 kN/m3; above the water table the unit weight of the sand is 16.5 kN/m3. Calculate the effective vertical stresses at the top and bottom of the clay layer.
This material is related Geotechnical Engineering, please only answer if you are certain and sure of your answer. An undisturbed soil sample has a dry unit weight of 112 pcf with a specific gravity of solids equals to 2.68.
A soil specimen has a water content of 18% and a wet unit weight of 118.5 lb/cu. ft. The specific gravity of solids is found to be 2.72. Find the:
Land is extremely valuable in this area therefore to win this job you need to consider innovative approach to reduce the waste areas
Given an 18-in. concrete conduit with a roughness coefficient of n = 0.013, s = 0.02, and a discharge capacity of 15 cfs, what diameter pipe is required to triple the capacity?
The 3.5mg engine is suspended from a 500 kg spreader beam and hoisted by a crane which gives it an acceleration of 4m/s^2 when it has a velocity of 2m/s. determine the force in chains AC and AD during the lift.
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
If they plan to increase their savings by 5% each year, how much must they invest in the first year given that they expect to earn 4% per year on their investment?
Determine the effective size as well as the uniformity coefficient and coefficient of curvature for each soil. Determine also the percentages of gravel, sand, silt, and clay according to (a) ASTM, (b) AASHTO, (c)USCS, and (d) the British Standard.
Determine the required height h of the roller coaster so that when it is essentially at rest at the crest of the hill it will reach a speed v= 100km/hr when it comes to the bottom.
What is your recommendation for the maximum size of coarse aggregate for the following situation? A continuously reinforced concrete pavement cross section contains a layer of No. 6 reinforced bars at 15.24 cm centers,
A constant head permeability test was conducted on a clean sand sample. The diameter and length of the test specimen were 10 cm and 12 cm respectively.
How appropriate might a just in time inventory system be for a product such as roller skates?
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