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A site consists of 100 ft of sand (γt = 120 pcf) underlain by hard clay. The groundwater table is found 10 ft below the ground surface. Standard penetration blow counts (N) have been measured at the site and they are around 10. Estimate the effective friction angle for the sand (assume c' = 0). Calculate the sand's shear strength (τf) on a horizontal plane at depths of the 20 ft and 50 ft.
Critical review the decision making of a failed major construction/property project within the UK in the last ten years.
what is the engineering ethics course where to write about any engineering ethical case and discuss the ethical issue?
Determine the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the thermal efficiency.
A tub of a washing machine is rotating at 50 rad/s when the power is turned off. If it takes 15s for the tub to come to rest, determine (a) the constant angular deceleration, and (b) the total number of revolutions the tub makes.
Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. The letter height on the road sign is 5 inches.
What will the freeway's density and level of service be before and after the ban? (Assume that the trucks are removed and all other traffic attributes are unchanged).
Determine the number of completely mixed bioreactors (detention time of 45 min each) that would be required to meet the phenol discharge limit of 5 mg/L. The first-order removal rate constant is equal to 6.1 hr -1
In using the Darcy-Weisbach equation for flow in a pressure conduit, what percentage error is introduced in Q when f is misjudged by 20 percent?
Include immediate and consolidation settlements, but ignore secondary compression. In your calculation, use three sublayers with thicknesses of 4 ft, 8 ft and 16 ft for the top, middle and bottom layers. Ignore any settlement caused by the dense s..
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
Find the time for one complete cycle of this motion if the spring constant is 21 N/m. (Assume that once the pendulum ball hits the spring there is no effect due to the vertical movement of the ball.)
Cancer is the uncontrolled growth of abnormal cells in the body resulting in tumours that can be benign or malignant (cancerous cells). A proper treatment is necessary to fight with this serious disease.
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