9.1 - Water-Cement Ratio Limits
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Practice Questions
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What does the water-cement ratio affect in concrete?
💡 Hint: Think about how water changes the properties of the mix.
What is the recommended maximum w/c ratio for marine environments?
💡 Hint: Remember the aggressive conditions like saltwater.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the recommended maximum w/c ratio for structures in marine environments?
💡 Hint: Recall the specific environmental conditions and regulations.
True or False: A higher water-cement ratio increases concrete permeability.
💡 Hint: Think about how excess water affects the concrete structure's integrity.
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Challenge Problems
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A concrete structure was built with a water-cement ratio of 0.55 in a coastal area. Discuss the potential long-term impacts on the structure's integrity.
💡 Hint: Focus on the chemical interactions that might occur due to excessive water.
How would you approach redesigning a mix that initially had a water-cement ratio of 0.50 for a bridge in a sulfate-rich environment?
💡 Hint: Consider strategies for improving workability without increasing the w/c ratio.
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