What is the most important soil particle that characterizes expansive soils?
A) Clay minerals
B) Calcite
C) Rock salt
D) Marble
E) Limestone

Question

Quizplus · Accepted Answer

Clay minerals are the most important soil particle that characterizes expansive soils. This is because they have high surface area and can easily absorb water, causing them to swell and shrink. This swelling and shrinking behavior can lead to significant damage to structures built on expansive soils.

What Is the Most Important Soil Particle That Characterizes Expansive