5.1. Description and Classification of Soil

Try these first

1. 1.

   What is soil description?

   Hint

   Think about what visual and physical traits describe soil.

2. 2.

   Name one method used for soil classification.

   Hint

   Consider the tools or techniques used in soil analysis.

3. 3.

   What is the primary focus of soil classification?

   • Visual appearance
   • Particle size
   • Mechanical properties

   Hint

   Think about what engineers care about when working with soil.

4. 4.

   Soil description is based on which of the following methods?

   • True
   • False

   Hint

   Refer back to the definition of soil description.

5. 5.

   Given a soil sample with observed sizes and their weights, determine the effective size, uniformity coefficient, and plot the grading curve.

   Hint

   Be meticulous in measuring and plotting your data accurately.

6. 6.

   Design an engineering project that factors in soil classification, detailing the analysis methods you would use for different soil samples.

   Hint

   Consider how different properties affect structure integrity and what tests will yield this information.