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A crest vertical curve and a horizontal curve on the same highway have the same design speed. The equal-tangent vertical curve connects a +3% initial grade with a +1% final grade and has a PVC at 101+78 and a PVT at 106+72, the horizontal curve has a PI at 150+10 and a central angle of 75 degrees. If the superelevation of the horizontal curve is 8% and the road has two 12-ft lanes, what is the stationing of the PT?
Civil and Environmental Engineering Question, 1. How is the problem of technology choice related to process selection and product design?
How much money should an environmental soil cleaning company borrow to finance a site reclamation project if it expects revenue of $140,000 in the first year increasing by 3% per year over the 5-year cleanup period? The interest rate is 8%.
A reverse osmosis plant desalinates 5X10^6 L/day of feedwater containing 1500 mg/L of salts, yielding 3X10^6 L/day of product water with 75 mg?l of salt. What would the salt concentration be in the brine?
Discuss about damp-proofing trenches
An equal tangent vertical curve connects a -2% and a +3% grade. The low point of the curve is at elevation 297.88 ft. If the PVI is at elevation 295 ft, what is the design speed of the curve
A water tank has a height of 120m, and its area of cross-section is 2000m. Water is released from the tank and the water level drops by 1 meter every minute. Find the rate of change in volume.
During an experiment, the depth of a water flow in a flume is measured five times by using a ruler with 1/16-in division. The results from these measurements are 4.88 in, 5.06 in, 5.03 in, 5.13 in, 4.94 in. What is the instrumental error and what ..
In a right triangle with the hypotenuse c = 10 and the angle A =50 degrees , what is the value of side b ?
An object has a mass of 46kg and weighs 450N on a spring scale. Determine the acceleration due to gravity at this location.
Briefly describe electron and hole motions in a p-n junction for forward and reverse biases;
Suppose the average concentration of SO2 (SOsub2) is measured to be 400microgram/cu.m at 25degree celcius and 1 atm. Does this exceed the (24-hr) air quality standard of 0.14 ppm
Would a 30 slot stainless steel screen (2.0 m long; located at the bottom of the well) have sufficient collapse strength for this application?
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