Large Diameter Self-Drilling Hollow Grouted Anchor Bolt
This self drilling anchor bolt integrates drilling, grouting, and anchoring as a whole. It is widely used in tunnel pre-support, slope stabilization, and geological disease treatment such as landslip and crack.
Technical Specifications
Overview
Advanced Ground Support Solution
This self-drilling hollow anchor system is engineered to meet the rigorous demands of the tunneling industry and ground engineering. By allowing for simultaneous drilling and grouting, it ensures both safety and rapid production cycles. It serves as a versatile solution for permanent tunneling support, slope stabilization, and micro-pile reinforcement in diverse soil and rock conditions.
Technical Specifications
Performance Metrics
1,600 kN
Ultimate Load (T76N)
1,900 kN
Ultimate Load (T76S)
1,200 kN
Yield Load (T76N)
1,500 kN
Yield Load (T76S)
Dimensional Specifications
| Feature | T76N | T76S |
|---|---|---|
| Outside Diameter (mm) | 76 | 76 |
| Internal Diameter (mm) | 51 | 45 |
| Weight (kg/m) | 16.3 | 19.5 |
Material and Design
Anti-Corrosion Options
Hot-dipped Galvanization
- Standards and Material
- EN10083-1 SteelT76 ThreadLeft or Right Hand Thread
Installation
- Available Lengths
- 1-6m (custom lengths available upon request)
Applications
Primary Applications
- Permanent support for tunneling
- Slope stabilization (rock bolts and soil nails)
- Micro pile reinforcement for foundation load transmission
