| New Rock Excavation Method using Waterjet | |
|---|---|
 ü No Heat Generated → No
heat affected zones – cold cutting!
ü No mechanical stress → No excavation damaged zone and
vibration!
ü Only one tool to qualify → No tool changes required with rock strength!
ü Environment-friendly → Clean cutting process with water and sandy particles! Waterjet system can be effective rock excavation method with low noise, vibration, and EDZ with enhancing tunnel stability and reducing support system cost. |