Practice Sulphate Attack: Foundation Failure In Black Cotton Soil (7.2) - Introduction to Durability and Permeability

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6 sample questions

Question 1.
What is sulphate attack?
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Think about its effect on concrete.
Question 2.
Name a common source of sulphate.
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Consider materials found in the ground.
3Question 3.
What is the primary chemical cause of sulphate attack?
- Hydrated cement compounds
- Lime
- Carbon dioxide
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Consider what substances in concrete are affected.
4Question 4.
True or False: Internal sulphate attack results from external sources.
- True
- False
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Think about definitions of internal versus external.
Question 5.
Explain the chemical process of sulphate attack and its effects on concrete structure in detail.
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Focus on the formation and behavior of expansive products.
Question 6.
Design a preventive strategy for a building project located in a known sulphate-rich area. Discuss the materials and their benefits.
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Consider both materials and construction practices.

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