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3 cards from this section. Quick, good the night before a test.
What is the minimum cover required for mild exposure according to IS 456:2000?
Refer to the exposure condition guidelines.
Why is cover important for concrete reinforcement?
Think about what happens if steel is exposed.
What is the minimum cover for severe exposure according to IS 456:2000?
Consider what environment the structure is in.
True or False: Adequate cover is only necessary in extreme environments.
Think about all types of environments.
A concrete structure in a coastal area needs to be designed. Calculate the necessary minimum cover required for its reinforcement. List environmental factors affecting the structural design.
Think about what makes coastal areas different.
Evaluate a scenario where a bridge deck built with only 20 mm cover in a coastal city started showing signs of deterioration within five years. What would be your recommendations?
Consider what can protect against the environmental aggressors.
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