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2 cards from this section. Quick, good the night before a test.
What is the water-cement ratio?
Think about its importance in concrete.
Why is water-cement ratio important?
Consider how too much or too little water would impact concrete.
What does the water-cement ratio influence in concrete?
Consider what happens when you change the ratio.
True or False: A higher water-cement ratio always results in stronger concrete.
Remember the balance needed in mix designs.
Given the need for a pavement with a target flexural strength of 5 MPa, and circumstances requiring excellent workability due to high temperatures, how would you go about selecting the appropriate water-cement ratio?
Which tables would help in this scenario?
Design a concrete mix by selecting a water-cement ratio for an urban environment that often faces freeze-thaw cycles, ensuring both durability and strength.
What environmental factors must you keep in mind?
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