The material in Problem 21 has a shrinkage of 97 percent and a swell of 18 percent. Determine the net import or export required for the project and the number of 11-cubic-yard truckloads needed to haul the material to or from the project.
What will be an ideal response?
Convert the fill from compacted cubic yards to bank cubic yards:
Required bcy = 922 ccy / 0.97 = 951 bcy
Find the net import:
Import (bcy) = 951 bcy – 838 bcy = 113 bcy
Import (lcy) = 113 bcy × (1 + 0.18) = 133 lcy
Trucks = 133 lcy / 11 lcy per truck = 13 trucks
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What will be an ideal response?
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a. More than 210 people c. Less than 105 people b. More than 155 people d. More than 300 people
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A) close to 75% B) very close to 100% C) better than 50% D) close to 90%