1 - Objectives of Mix Design
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Practice Questions
Test your understanding with targeted questions
What is the primary goal of mix design?
💡 Hint: Think about what characteristics we need from concrete.
Why is workability important?
💡 Hint: Consider how concrete is applied in construction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary objective of mix design?
💡 Hint: Think about what properties we need from concrete.
True or False: The water-cement ratio determines the concrete's workability.
💡 Hint: Consider how changing water content affects mixing.
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Challenge Problems
Push your limits with advanced challenges
A project requires concrete with a compressive strength of 40 MPa. If the characteristic strength is 30 MPa with a risk factor of 1.65 and standard deviation of 5, what is the target mean strength needed?
💡 Hint: Use the target mean strength formula!
Describe how you might adjust your mix design if your initial concrete showed low workability.
💡 Hint: Think about the materials you can modify.
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Reference links
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