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The settlement analysis for a proposed structure indicates that 6cm of settlement will occur in 4 yr and that the ultimate total settlement will be about 25cm. the analysis is based on the assumption that the compressible clay layer is drained at both its top and bottom surfaces. However it is suspected that there may not be drainage at the bottom surface. For the case of single drainage,
Estimate (a) the ultimate total settlement and (b) the time required for 6cm of settlement.
Estimate the average hourly, average daily, and minimum hourly residential sewage flows from an area serving a population of 1500 people. Assume that the lenghth of sewer and house drains equals 3.0 km and that infiltration occurs
The local engineer concludes that, since the oil must have been destroyed by the soil microorganisms at a rate of 20 mg/kg each year, in one more year the site will be free of all contamination. a. Is this a good assumption
The grade of the highway, Suppose that a highway rises a distance of 269 feet in a horizontal distance of 2647 feet.
Design a concrete column of 14 ft high to support a dead load of 80 kips and a live load of 200 kips? f'c= 6,000 psi fy= 60,000 psi
If the shaft AB is rotating with a constant angular velocity of w = 30 rad/s, determine the X, Y, Z components of reaction at the thrust bearing A and journal bearing B at the instant. The disk has a weight of 15 lb.
A power plant operates at steady-state. It receives energy from a hot source (combustion of fuel) at a temperature of 420 oC. The plant discharges this energy to a nearby river that acts as a cold source.
Which material will result in the lightest member if you want to limit the elongation to 0.20 in.? Which material will be cheaper under these conditions?
List the series of steps involved in converting rural land into development. You may refer to an example of local conditions in your reference jurisdiction or you may use a description of such steps that you find from other sources, but do not limit ..
Wastewater is discharged into an aquifer. This wastewater 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. 500 ft away from the plant effluent there is a permeable..
Using the tables in the AISC manual, make a preliminary selection of member size, using a HSS shape. Do not simple state a choice - state your logic step by step, quoting page numbers (AISC) for each step.
Determine largest load P that can be applied without any cable exceeding its yield strength. Bar length in 10 ft with aluminum directly in the center and steel cables 5 feet on either side. Steel cable lengths are 8 ft and aluminum cable is 10 ft...
Suppose that in a senior college class of 500 students it is found that 210 smoke, 258 drink alcoholic beverages, 216 eat between meals, 122 smoke and drink alcoholic beverages
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