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2 cards from this section. Quick, good the night before a test.
What is grading in aggregates?
Think about the arrangement of various sizes.
Name one objective of good grading.
Consider how it affects the structure.
What is the main objective of good grading?
Think about how grading impacts costs.
True or False: Well-graded aggregates are characterized by a range of sizes to minimize voids.
Recall the benefits of using different sizes.
Given the properties of a poorly graded aggregate mix, how would you correct the grading to improve concrete strength?
Think about how different sizes contribute to packing and void reduction.
Design a concrete mix plan that utilizes well-graded aggregates for a structural application. What factors must you consider?
Reflect on the objectives of good grading discussed earlier.
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