Practice Mix Adjustment on Site - 18.7 | 18. Mix Design – Principles and Influencing Factors | Civil Engineering Materials, Testing & Evaluation - Vol 1
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Mix Adjustment on Site

18.7 - Mix Adjustment on Site

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the first step in adjusting moisture content on site?

💡 Hint: Think about what we need to know before mixing.

Question 2 Easy

What can you add to improve workability if a mix is too stiff?

💡 Hint: Consider admixtures that improve flow.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What might happen if moisture content is not adjusted on site?

Weak concrete
Stronger concrete
No effect

💡 Hint: Think about the relationship between water and concrete strength.

Question 2

True or False: Adding water to improve workability always improves the concrete quality.

True
False

💡 Hint: Review the effects of excessive water.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A construction site reports unexpectedly wet aggregates. How would you adjust the mix to maintain concrete quality?

💡 Hint: Use measurements of moisture to determine the adjustments needed.

Challenge 2 Hard

During a project, you find out the batching equipment is off by 10%. How does this affect your concrete, and what corrective actions should you take?

💡 Hint: Think about the role of accurate measurements in mix design.

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