The subgrade is 72 feet wide at the top and is 9 feet thick. It has a Specific Gravity, Gs = 2.66, a final porosity of 31.0% and a degree of saturation of 86.3%. It is coming from a borrow pit with an average total unit weight of 112.6 pcf and a water content of 8.0%. How many pounds of water must be added to the borrow material for the fill? How many cubic feet of borrow must be excavated? (Hints: Draw two phase diagrams, one for the embankment and one for the borrow pit. What is common between the conditions? (Intermediate Answer, This is not a given, but a value so you can check your work as you progress. Ww in borrow pit = 43,100,000 pounds )
The subgrade is 72 feet wide at the top and is 9 feet thick. It has a Specific Gravity, Gs = 2.66, a final porosity of 31.0% and a degree of saturation of 86.3%. It is coming from a borrow pit with an average total unit weight of 112.6 pcf and a water content of 8.0%. How many pounds of water must be added to the borrow material for the fill? How many cubic feet of borrow must be excavated? (Hints: Draw two phase diagrams, one for the embankment and one for the borrow pit. What is common between the conditions? (Intermediate Answer, This is not a given, but a value so you can check your work as you progress. Ww in borrow pit = 43,100,000 pounds )
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The subgrade is 72 feet wide at the top and is 9 feet thick. It has a Specific Gravity, Gs =
2.66, a final porosity of 31.0% and a degree of saturation of 86.3%. It is coming from a
borrow pit with an average total unit weight of 112.6 pcf and a water content of 8.0%.
How many pounds of water must be added to the borrow material for the fill? How many
cubic feet of borrow must be excavated? (Hints: Draw two phase diagrams, one for the
embankment and one for the borrow pit. What is common between the conditions?
(Intermediate Answer, This is not a given, but a value so you can check your work as you
progress. Ww in borrow pit = 43,100,000 pounds )
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