An earth dam requires 1 million cu.m. of soil compacted to a void ratio of 0.80. In the vicinity of the proposed dam, three borrow pits were identified as having suitable materials. The cost of purchasing the soil and the cost of excavation are the same for each borrow pit. The only cost difference is transportation cost. The table below provides the void ratio and the transportation cost for each borrow pit.
An earth dam requires 1 million cu.m. of soil compacted to a void ratio of 0.80. In the vicinity of the proposed dam, three borrow pits were identified as having suitable materials. The cost of purchasing the soil and the cost of excavation are the same for each borrow pit. The only cost difference is transportation cost. The table below provides the void ratio and the transportation cost for each borrow pit.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
An earth dam requires 1 million cu.m. of soil compacted to a void
ratio of 0.80. In the vicinity of the proposed dam, three borrow pits were identified as having suitable materials. The cost of purchasing the soil and the cost of excavation are the same for each borrow pit. The only cost difference is transportation cost. The table below provides the void ratio and the transportation cost for each borrow pit.
PLEASE COMPLETE SOLUTION
1. Compute the volume of soil if taken from borrow pit C.
2. Compute the transportation cost of the soil if taken from borrow pit B.
3. Which borrow pit would be the most economical?
Transcribed Image Text:Borrow pit
Void ratio
Transportation
cost per m3
A
1.8
P0.60
В
0.9
P 1.00
1.5
P0.75
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