Soil Mechanics and Foundation
With the increase in the amount of compaction energy

optimum water content increases but maximum dry density decreases
both optimum water content and maximum dry density decrease[ES 93]
optimum water content decreases but maximum dry density increases
both optimum water content and maximum dry density increase

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Soil Mechanics and Foundation
The ultimate consolidation settlement of a structure resting on a soil

Decreases with the decrease in the plastic limit
Increases with the increase in the initial voids ratio
Increases with the decrease in the porosity of the soil
Decreases with the increase in the initial voids ratio

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