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4 cards from this section. Quick, good the night before a test.
What are the five categories of exposure conditions as per IS 456:2000?
Think about environmental threats.
What is the significance of minimum cover in concrete mix design?
Consider what might damage metal in concrete.
Which exposure category requires the highest cement content?
Think about which environment is the harshest.
True or False: The maximum W/C ratio increases with the severity of exposure conditions.
Remember how W/C ratio affects concrete quality.
Given a project located in a very severe exposure area, design a concrete mix stating the required parameters.
Refer to the severity to guide your design choices.
How do exposure conditions affect the long-term performance of concrete structures, and what precautions might be necessary?
Consider the long-term project goals and desired lifespan.
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