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2 cards from this section. Quick, good the night before a test.
What is the ideal water-cement ratio range for HPC?
Think about the strength and durability that low ratios provide.
Why is potable water recommended for concrete mixing?
Consider the impact of impurities on concrete strength.
What is the typical water-cement ratio for high-performance concrete?
Recall the characteristics of HPC.
True or False: Using impure water can improve the strength of concrete.
Think about the impact of impurities in construction materials.
Discuss how the purity of water used in HPC impacts the long-term integrity of structures. Provide examples.
Consider the effects of chemical compositions in concrete.
Given a concrete mix design that includes 100 kg of cement, calculate the amount of water (in kg) needed if a water-cement ratio of 0.35 is desired.
Remember to multiply the cement weight by the water-cement ratio.
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