Supanchor Rock Reinforcement Co., Ltd.
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SupAnchor self drilling anchor system 25mm to 51mm rock hollow bar in tunneling
Features
SupAnchor® self drilling anchor system is a bolting solution for difficult ground and rock conditions. The system enables drilling and grouting in one operation, making much saving in jobsite and project time.
Applications
Tunnelling Ground engineering
1. Face stabilization
2. Radial systematic anchoring
3. Foundation for avalanche protect
4. Stabilization of tunnel portals
5. Spilling
6. Root piling
Technical Data
| Anchor Rod | R25N |
| Outside Diameter (mm) | 25 |
| Internal Diameter (mm ) | 12 |
| Cross sectional area (mm2) | 292 |
| Ultimate load (kN) | ≥ 200 |
| Yield load (kN) | ≥ 150 |
| Weight (kg/m) | 2.30 |
| Thread type | ISO 10208 - R25 / Left or Right |
| Type of steel | 40Cr / Q345B |
| Elongation % | Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ... |
| Length (m) | (1) x2, x3, x4, x5, x6, x7, x8, x9, x10 |
| Options of Anti-corrosion | Hot-dipped Galvanization / Epoxy Coating / SupCoat Hot-dipped Galvanization: ISO 1461. |
| *Epoxy Coating: Bending properties up to standard ISO 1519; Impact properties up to standard ASTMD 2794; *Adhesion up to standard ISO 2409:2007. *SupCoat: HDG + EC |
| Anchor rod | R32L/22 | R32N/20 | R32N/18.5 | R32S/17 | R32S/15 | R32SS/14 |
| Outside Diameter (mm) | 32 | 32 | 32 | 32 | 32 | 32 |
| Internal Diameter (mm) | 22 | 20 | 18.5 | 17 | 15 | 14 |
| Cross sectional area (mm2) | 356 | 363 | 433 | 440 | 509 | 522 |
| Ultimate load (kN) | 250 | 280 | 280 | 360 | 360 | 405 |
| Load at 0.2% Yield (kN) | 200 | 230 | 230 | 280 | 280 | 300 |
| Weight (kg/m) | 2.75 | 2.85 | 3.30 | 3.50 | 4.00 | 4.10 |
| Type of steel | 40Cr / 20Cr / Q345B | |||||
| Elongation % | Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ... | |||||
| Thread type | ISO 10208 - R32 / Left or Right | |||||
| Length (m) | (1) x 2, x3, x4, x5, x6, x7, x8, x9 | |||||
| Options of Anti-corrosion | Hot-dipped Galvanization / Epoxy Coating / SupCoat *Epoxy Coating: Bending properties up to standard ISO 1519; Impact properties up to standard ASTMD 2794; Adhesion up to standard ISO 2409:2007. *SupCoat: HDG + EC | |||||
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