Case Study: Successful Underwater Pile Construction Using Rotary Drilling Rigs

Underwater pile construction projects often encounter unique challenges, such as unstable soil conditions and high water pressure. This case study highlights how the XCMG Used Rotary Drilling Rig and SANY Used Rotary Drilling Rig were pivotal in achieving project success under complex conditions.

Project Overview

Location: Coastal region with sediment-rich seabeds.
Objective: Build stable foundations for a 200-meter bridge.
Challenges:
- High water table and sediment instability.
- Environmental concerns regarding aquatic ecosystem preservation.

Equipment Selection

XCMG Used Rotary Drilling Rig
- Chosen for its high torque and precision drilling capabilities.
- Equipped with advanced monitoring systems to handle unstable soil layers.
SANY Used Rotary Drilling Rig
- Complemented operations with its adaptable torque settings and eco-friendly design.

Implementation

Soil Stabilization
- XCMG Used Rotary Drilling Rig was deployed to drill through soft sediment layers while maintaining structural integrity.
Pile Installation
- SANY Used Rotary Drilling Rig was used to insert piles with precision, ensuring stability in a high-pressure underwater environment.
Environmental Compliance
- Biodegradable drilling fluids were used to protect the marine ecosystem, aligning with global sustainability standards.

Challenges and Solutions

Sediment Collapse
- Advanced torque control in the XCMG Used Rotary Drilling Rig minimized soil collapse during drilling.
Ecosystem Disruption
- Noise-reduction technologies in both rigs helped maintain a disturbance-free environment for aquatic life.
Operational Efficiency
- Real-time monitoring ensured consistent performance and minimized delays.

Outcomes

Structural Stability
- Piles installed with SANY Used Rotary Drilling Rig met load-bearing requirements, ensuring a robust foundation.
Environmental Success
- Use of eco-friendly practices reduced ecological impact, earning the project recognition for sustainability.
Cost and Time Savings
- Efficient operations using both rigs reduced project timelines and overall costs by 20%.

Conclusion

This case demonstrates how XCMG Used Rotary Drilling Rig and SANY Used Rotary Drilling Rig can transform underwater pile construction. Their precision, adaptability, and eco-friendly designs ensure success in even the most challenging environments.