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2 cards from this section. Quick, good the night before a test.
What does the term 'flexural strength' refer to?
Think of how a beam can bend without breaking.
What is the significance of the water-cement ratio in concrete?
High ratios can lead to weak concrete.
What is the first step in the IRC:44-2017 method?
Think about what you need to ensure strength.
True or False: A higher water-cement ratio will always improve the workability of concrete.
Consider the trade-offs involved.
Design a concrete mix for a highway pavement requiring a minimum of 5 MPa flexural strength. Include all calculations and considerations for aggregates and water-cement ratio.
Refer to IRC tables for help with selecting aggregate sizes.
Discuss the potential failures that can arise from inadequate mix design and how to mitigate these issues.
Think of real-world examples of pavement failures.
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