5.4.2 - Specific Gravity and Water Absorption (IS 2386 Part III)
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Practice Questions
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What does specific gravity measure?
💡 Hint: Think about how it compares to water.
What is water absorption expressed as?
💡 Hint: Remember how we measure the weight before absorbing water.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does specific gravity tell us about aggregates?
💡 Hint: Consider how weight relates to volume.
True or False: Water absorption directly affects the water-cement ratio.
💡 Hint: Think about the role of aggregates in concrete.
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Challenge Problems
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If an aggregate sample weighs 80 kg in air and 60 kg when submerged in water, calculate its specific gravity.
💡 Hint: Use the formula for specific gravity involving the buoyant force.
Discuss the implications of using aggregates with a water absorption of 5% in a concrete mix intended for high durability structures.
💡 Hint: Consider the importance of maintaining a correct water-cement ratio.
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