Practice Accelerators - 2.1.4 | 5. Chemical and Mineral Admixtures | Concrete Technology
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Accelerators

2.1.4 - Accelerators

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Practice Questions

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Question 1 Easy

What is the primary purpose of accelerators in concrete?

💡 Hint: Think about conditions that require fast-setting concrete.

Question 2 Easy

Name one common accelerator used in concrete.

💡 Hint: It's a common salt that helps with acceleration.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary role of accelerators in concrete?

Slow down hydration
Speed up setting and strength gain
Increase water content

💡 Hint: Consider the conditions that require rapid concrete setting.

Question 2

True or False: Calcium chloride can cause corrosion in reinforced concrete.

True
False

💡 Hint: Think about how metals react with certain chemicals.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A construction company needs to pour a concrete slab in winter but has concerns about delayed curing. They are considering using calcium chloride. What factors should they discuss before deciding?

💡 Hint: Evaluate the benefits versus potential hazards.

Challenge 2 Hard

If using accelerators generally enhances early strength, explain how and why you might not use them in a project focused on long-term strength?

💡 Hint: Think about the balance between early and long-term performance.

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