18.3 - Steps in Concrete Mix Design (As per IS 10262:2019)
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Practice Questions
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What is the target strength in concrete design?
💡 Hint: Think about the timeline for concrete to cure.
What does W/C stand for?
💡 Hint: Recall the balance between water and cement.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating target mean strength?
💡 Hint: Focus on how we account for variability in concrete.
True or False: A lower water-cement ratio always guarantees higher strength.
💡 Hint: Think about the balance between strength and workability.
1 more question available
Challenge Problems
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A project requires a concrete mix with a target strength of 35 MPa. The historical data shows a standard deviation of 4.5 MPa. Calculate the target mean strength.
💡 Hint: Focus on using the provided formula correctly.
Given a mixture designed with a W/C ratio of 0.4 and a target water content of 160 kg, how much cement is required?
💡 Hint: Recollect the basic relationship in the W/C ratio.
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