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Calculate the total stresses, pore water pressures and effective stresses at points a and b. Clay saturated unit weight=20KNm^3, Sand saturated unith weight = 21KNm^3
a. Use algebra and linearity of the expectation operator to find the answer. b. Explain how the transformation affects the drawing of the scatterplot we used to develop our understanding of covariance, and therefore why the answer to part a. shoul..
The lever BCD is hinged at C and attached to a control rod at B. Determine the maximum force P that can be safely applied at D if the maximum allowable value of the reaction at C is 250 lb.
If I raise a 1000 lbf weight 100 feet above sea level on earth in 10 seconds how much power will be required
The cart has a velocity of 4 ft/sec to the right. Determine the angular speed N of the wheel so that point A on the top of the rim has a velocity (a) equal to 4 ft/sec to the left, (b) equal to zero, and (c) equal to 8 ft/sec to the right
The space truss shown is supported by a ball-and-socket joint at D and by short links at A and C. Determine the support reactions and the force in each member of the space truss.
A rural town with sewered population of 4,500 has a daily wastewater flow of 1,590 m3/day with an average BOD of 280 mg/L including industrial wastes. The industrial discharges to the municipal sewers are 57 m3/day at 1,800 mg/L BOD
What is the probability that the N-S runway is going to be overcrowded on a given day, if at the beginning of the day the runway is selected to be used?
Pure water at 50 degrees Fahreneit stands in a glass tube of 0.04-in diameter at a height of 6.78 in. Compute the true static height.
Flow occur throught a sand-filled pipe with a cross-sectional area of 60 cm^2. If K is 10^-3 cm/s and the gradient is 0.01, what is the discharge from the pipe ?
A simple beam of Douglas-Fir Larch, select grade, has a span of 18 ft with two concentrated loads of 3 kips each placed at the third points of the span. Neglecting its own weight, determine the size of the beam with the least cross-sectiona; area bas..
A large, static, horizontal , isotropic, confined aquifer 100m thick has a uniform hydraulic conductivity field with K=0.1m/d . The piezometric head s in two observation wells are observed to be 103m and 97.3m
A civil engineer used a 30-m tape in measuring an inclined distance. The measured length on the slope was recorded to be 459.20 m long. The difference in elevation between the initial and the end point was found to be 1.25 m
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