Case 4
Navigation
- Introduction
- Causes of Defects
- Good Practices
- Standards
- Maintenance and Diagnostics
- Remedial
- Similar Cases
- References
Maintenance and Diagnostics
Regular maintenance with the use of high water jet to clean the wall.
Diagnostics of Defect
Abrasion resistance test may be performed to determine the seriousness of chalking. However normal chalking can be recognized with a soft powdery look.