4 Assume you are working at a site where you are compacting

4. Assume you are working at a site where you are compacting soil at Waw During project, the footed roller you are using breaks down, and you have to rent a replacement roller that is larger than the original roller. Would you need to increase or decrease th content of the soil in order maintain W? Why? e moisture s. If you were designing a landfill liner with the objective of minimizing the amount of seepage through the liner, would you prefer that your liner material be wet of Wapp or dry of Wo? Why?

Solution

4)If Roller is changed and if it is larger than the previous, then moisture content needs to be decreased. Because we will get the increased maximum dry unit weight with less optimum moisture content as the compacting weight is increased.