A 12" water main is being installed along the shoulder of a rural road. The excavation for the water main will be 4 feet deep and 3.5 feet wide. The soil is estimated to have a swell factor of 0.80 and an angle of repose of 31 degrees. If the stockpile will start 2 feet from the edge of the excavation, and the distance from the edge of the trench to the limits of disturbance is 20 feet, what is the estimated clear space between the far toe and of the stockpile and the limits of disturbance?

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8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.34P
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A 12" water main is being installed along the
shoulder of a rural road. The excavation for the
water main will be 4 feet deep and 3.5 feet
wide. The soil is estimated to have a swell factor
of
0.80 and an angle of repose of 31 degrees. If the
stockpile will start 2 feet from the edge of the
excavation, and the distance from the edge of
the trench to the limits of disturbance is 20 feet,
what is the estimated clear space between the
far toe and of the stockpile and the limits of
disturbance?
Transcribed Image Text:A 12" water main is being installed along the shoulder of a rural road. The excavation for the water main will be 4 feet deep and 3.5 feet wide. The soil is estimated to have a swell factor of 0.80 and an angle of repose of 31 degrees. If the stockpile will start 2 feet from the edge of the excavation, and the distance from the edge of the trench to the limits of disturbance is 20 feet, what is the estimated clear space between the far toe and of the stockpile and the limits of disturbance?
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