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4 cards from this section. Quick, good the night before a test.
What is the target strength in concrete design?
Think about the timeline for concrete to cure.
What does W/C stand for?
Recall the balance between water and cement.
What is the formula for calculating target mean strength?
Focus on how we account for variability in concrete.
True or False: A lower water-cement ratio always guarantees higher strength.
Think about the balance between strength and workability.
A project requires a concrete mix with a target strength of 35 MPa. The historical data shows a standard deviation of 4.5 MPa. Calculate the target mean strength.
Focus on using the provided formula correctly.
Given a mixture designed with a W/C ratio of 0.4 and a target water content of 160 kg, how much cement is required?
Recollect the basic relationship in the W/C ratio.
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