How do the strength and cohesion of clay- rich regolith or soil change with the addition of water?
A)Water lowers the strength and cohesion.
B)Water does not affect the cohesion but lowers the strength.
C)Water reduces the strength of clays but raises the cohesion of the soil.
D)Water increases the strength and cohesion.

Question

Quizplus · Accepted Answer

Water acts as a lubricant and reduces the forces of adhesion and cohesion between the individual soil particles, which results in a decrease in the strength and cohesion of clay-rich regolith or soil.

How Do the Strength and Cohesion of Clay- Rich Regolith