Earth whose in situ weight is 105lb/cf and whose compacted weight is 122 lb/cf is placed in a fill at the rate of 260 cy/hr, mea

Question

3 years ago

14

Earth whose in situ weight is 105lb/cf and whose compacted weight is 122 lb/cf is placed in a fill at the rate of 260 cy/hr, mea

sured as compacted earth. The thickness of the compacted layers is 7 in. A roller having a drum width of 50 in operates at a speed of 2 mph. Assume a 55-min hour operation efficiency. Determine the number of rollers required to provide the necessary compaction if four passes are specified for each layer of earth.

Engineering

1 answer:

Stells [14] · Answer 1 · 2022-03-05T00:20:02+03:00

Stells [14]3 years ago

6 0

Answer:

Number of rollers required to complete the compaction are 2

Explanation:

The solution is given in the attachments.