When classifying a soil using the Unified Soil Classification System, what can be assumed for a given soil sample based on the following sieve analysis results? Sieve: Percent Finer
# 4: 100
# 10: 100
# 20: 98
# 40: 94
# 60: 80
# 100: 75
# 200 60
0.01 mm: 62
0.002 mm: 63

Question

Quizplus · Accepted Answer

Based on the provided sieve analysis results, the given soil sample is assumed to be fine-grained when classifying a soil using the Unified Soil Classification System. Since 50% or more of the sample passes through the #200 sieve, the soil is considered to be fine-grained. If less than 50% of the sample passed through the #200 sieve, the soil would have been considered to be coarse-grained.

When Classifying a Soil Using the Unified Soil Classification System