7.2.6 - Specific Gravity and Water Absorption
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Practice Questions
Test your understanding with targeted questions
Define specific gravity in your own words.
💡 Hint: Think about how it relates to water.
What is an acceptable value for water absorption?
💡 Hint: Remember the limit we discussed in class.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does specific gravity measure?
💡 Hint: Think about what density compares to.
True or False: Water absorption can affect bitumen adhesion.
💡 Hint: Relate this to moisture effects in asphalt.
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Challenge Problems
Push your limits with advanced challenges
You have two aggregates, Aggregate A (SG 2.8, WA 1.5%) and Aggregate B (SG 2.4, WA 2.5%). Which would be preferable for a high-strength concrete mix? Justify your decision.
💡 Hint: Compare the attributes of both aggregates.
A contractor wants to use an aggregate with water absorption above the acceptable limit for a surface layer in asphalt. Discuss the potential risks.
💡 Hint: Think about long-term effects on pavement durability.
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