Practice Chloride Ingress (11.4.2) - Durability of Concrete

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8 questions

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6 sample questions

Question 1.
What causes chloride ingress in concrete?
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Think about sources of salt in the environment.
Question 2.
What happens when steel reinforcement corrodes?
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Consider the physical changes that occur in the structure.
3Question 3.
What is chloride ingress?
- The process of mineral absorption
- The penetration of chloride ions into concrete
- The layering of concrete slabs
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Think about the role of chlorides in concrete.
4Question 4.
True or False: Chloride ions can never cause deterioration in concrete.
- True
- False
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Reflect on the effects of chlorides.
Question 5.
Design a concrete structure intended for a marine environment. Explain the considerations you would include to mitigate chloride ingress.
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Address material choice and structural design.
Question 6.
Evaluate the impact of chloride ingress on the overall service life of a bridge. Based on this evaluation, propose a maintenance schedule.
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Factor in timelines and structural health monitoring.

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