3.6 - Water-Cement Ratio
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Practice Questions
Test your understanding with targeted questions
What does the water-cement ratio indicate in concrete mix design?
💡 Hint: Consider how this ratio impacts concrete quality.
Why is a lower w/c ratio generally better for concrete strength?
💡 Hint: Think about the relationship between water content and particle packing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the typical range for water-cement ratios in concrete mix design?
💡 Hint: Consider the general guidelines for most concrete mixes.
True or False: A lower water-cement ratio leads to lower strength.
💡 Hint: Think critically about how water impacts concrete density.
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Challenge Problems
Push your limits with advanced challenges
Design a concrete mix with a target strength of 25 MPa using a w/c ratio of 0.5. Calculate the necessary amounts of water and cement for 1m³, taking the specific gravity of cement as 3.15.
💡 Hint: Start with the desired strength to find the cement content.
A construction site requires a concrete mix for a marine environment under severe conditions. What measures would you take regarding the water-cement ratio to ensure durability? What specific w/c ratio would you choose?
💡 Hint: Refer back to IS guidelines for water-cement ratios for severe exposure.
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