6 - Indian Standard Soil Classification System
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Practice Questions
Test your understanding with targeted questions
What defines fine-grained soils?
💡 Hint: Think about the particle size.
Name two types of fine-grained soils.
💡 Hint: These are differentiated based on their plasticity.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What percentage of fine-grained soils must be smaller than 0.075 mm?
💡 Hint: Recall the definition of fine-grained soils.
True or False: The liquidity index indicates the moisture content in relation to consistency limits.
💡 Hint: Focus on the relationship between water content and soil state.
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Challenge Problems
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A soil has a liquid limit of 55% and a plastic limit of 35%. If the clay content is 65%, determine the plasticity index, activity, and categorize the soil.
💡 Hint: Perform each calculation step by step.
Given a liquid limit of 70%, plastic limit of 40%, and moisture content of 65%, classify the consistency of the soil and its liquidity index.
💡 Hint: Make sure to check all definitions for classification.
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