6.1 - Exposure Classifications (As per IS 456:2000)
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Practice Questions
Test your understanding with targeted questions
What type of exposure corresponds to protected indoor conditions?
💡 Hint: Think about areas that are shielded from the outside environment.
What is the maximum water-cement ratio for M25 grade concrete?
💡 Hint: Consider the context of moderate exposure.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the minimum cement content for M30 grade concrete?
💡 Hint: Focus on the requirements for Severe Exposure.
True or False: Moderate exposure requires M20 grade concrete.
💡 Hint: Reflect on the grade associated with Moderate Exposure.
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Challenge Problems
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A coastal city plans to construct a marina. Explain the process of selecting the right concrete grade and mix based on exposure classifications.
💡 Hint: Refer back to the very severe and extreme categories for the right concrete grade.
Analyze how improper exposure classification could lead to structural failures in concrete used in industrial environments.
💡 Hint: Consider how different exposures assume different levels of risk.
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