6.5.4 - Compressive Strength Test
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Practice Questions
Test your understanding with targeted questions
What is the minimum required strength a concrete cube made with test water should achieve?
💡 Hint: Think about the comparison with distilled water.
What does curing mean in concrete preparation?
💡 Hint: It helps concrete gain its strength.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the Compressive Strength Test?
💡 Hint: Consider what aspect of concrete the test directly measures.
True or False: Concrete should achieve 100% of the strength of distilled water mixes.
💡 Hint: Look back at what percentage we discussed for the test.
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Challenge Problems
Push your limits with advanced challenges
A construction team is considering using water from a nearby lake known for high organic content. They conduct a compressive strength test but find their concrete only reaches 70% of the distilled water strength. Discuss the potential impacts and what actions the team should take.
💡 Hint: Evaluate the risks of using contaminated water.
If a concrete mix using test water yields a compressive strength of 30 MPa after 7 days, what can be inferred about the strength of the mix made with distilled water? Calculate the minimum acceptable strength.
💡 Hint: Apply the 90% rule we discussed for compressive strength.
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