30. MFRI Reinforcement Method

31. Aramid Sheet Reinforcement Method

32. Segregated Section Restoration Method

33. Exposed RE-bar Section Restoration Method

1. Chip off concrete surface/water-jet cleaning
2. Apply Dency-P (1 time)
3. Brush G&W Mortar (1 time)
4. Apply RE-PH/RE-CA Mortar
5. Apply U&V-GL (2 times) – Sewer tunnel
   
   

34. Underwater Scoured Parts Repair Method

1. Chip off concrete surface/water-jet cleaning
2. Install mold
3. Pour U&V-W concrete
4. Dismantle mold
   
   

35. Around Pipe Repair Method

1. Chip off concrete surface/water-jet cleaning
2. V-cutting/water-jet cleaning
3. Apply Dency-P (1 time)
4. Apply U&V-H + Sheet
5. Apply G&W Mortar
6. Apply HE-300 (2 times) – Utility Tunnel
7. Apply U&V-GL (2 times) – Sewer Tunnel
   
   

36. Cracks Repair Injection Method

1. Chip off concrete surface/water-jet cleaning
2. Install Injection pipe & sealing
3. Inject U&V-GL
4. V-cut after removing injection pipe
5. Apply Dency-P (1 time)
6. Fill up with G&W Mortar
7. Apply HE-300 (2 times) – Utility tunnel
8. Apply U&V-GL (2 times) – Sewer tunnel
   
   

37. Water-leakage Repair Method

1. Chip off concrete surface/water-jet cleaning
2. Apply HE-256 & Rapid hardening cement
3. Brush G&W (1 time)
4. Apply RE-PH/RE-CA Mortar
5. Apply HE-300 (2 times) – Utility tunnel
6. Apply U&V-GL (2 times) – Sewer tunnel