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Questions and Answers
According to BS EN 934-2, an admixture is a material added during the mixing process of concrete in a quantity not more than ___% by mass of the cement content of the concrete?
According to BS EN 934-2, admixtures for concrete must comply with which table of BS EN 934-1?
Which of the following is NOT considered an admixture for concrete according to BS EN 934-2?
What is the purpose of a hardening accelerating admixture for concrete?
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What is the purpose of a set accelerating admixture for concrete?
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Study Notes
Admixtures for Concrete
- An admixture is a material added during the mixing process of concrete in a quantity not more than 5% by mass of the cement content of the concrete.
- Admixtures for concrete must comply with Table 1 of BS EN 934-1.
- Water is NOT considered an admixture for concrete.
- The purpose of a hardening accelerating admixture is to reduce the time required for the concrete to reach its desired strength.
- The purpose of a set accelerating admixture is to reduce the time required for the concrete to set.
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Description
Test your knowledge on admixtures in concrete with this quiz! Learn about the different types of admixtures, their functions, and how they modify the properties of concrete in both fresh and hardened states. Find out if you're an expert on BS EN 934-2 (2009) standards for admixtures.
