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2 cards from this section. Quick, good the night before a test.
What does M20 represent in concrete?
Think about what the 'M' stands for.
What is the role of IS codes in concrete design?
Consider their importance in ensuring quality and safety.
What is the characteristic strength of M25 concrete?
Consider the number associated with the grade.
True or False: Higher grades of concrete have the same properties in terms of durability.
Think about the variables affecting concrete performance.
Design a mix for M30 concrete considering it needs to resist severe environmental conditions.
Focus on the durability aspects outlined in IS guidelines.
Evaluate how switching from rounded to angular aggregates affects the strength of M25 mix.
Recall how the shape and grading of aggregates influence the properties of concrete.
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