Case 2 – Chloride Ion Attack
Navigation
- Introduction
- Causes of Defects
- Good Practices
- Standards
- Maintenance and Diagnostics
- Remedial
- Similar Cases
- References
Introduction
Chloride Ion Attack
Constantly subjected to a marine environment would mean that the façade would be susceptible to chlorine ion attacks frequently. Concrete being slightly alkaline in nature would be react with the chlorinated salts and cause defects.
Chlorine ion carried by air can react upon the exposed surfaces and defects such as leaching and discoloration might occur. The action of externally introduced chlorides into the concrete can be more serious than when chlorides are present in the materials used. The corrosive effects of chlorides come with the softening of concrete, which deteriorates eventually.