Supanchor Rock Reinforcement Co., Ltd.
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SupAnchor high strength 32mm to 114mm SDA grouting rock anchor bar
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. With premium heat treatment technology, following advantages are offered to our partners and clients verified options:
1. Lower weight: easier to transport and operation, lower freight cost.
2. Saved in overall costs, due to small diameter while same strength quality achieved.
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
| SupUTS R Thread | R32/ 380 | R32/ 450 | R32/ 580 | R38/ 580 | R38/ 700 | R38/ 820 | R51/ 1000 | R51/ 1200 |
| Ultimate load (kN) | 380 | 450 | 580 | 580 | 700 | 820 | 1000 | 1200 |
| Load at 0.2% Yield (kN) | 325 | 380 | 460 | 480 | 600 | 650 | 800 | 1000 |
| Weight (kg/m) | 2.90 | 3.30 | 4.25 | 4.30 | 5.50 | 6.00 | 7.40 | 9.40 |
| Tensile strength (N/mm2) | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 |
| Yield strength (N/mm2) | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
| Outside diameter (mm) | 32 | 32 | 32 | 38 | 38 | 38 | 50 | 50 |
| Internal diameter (mm ) | 19 | 18 | 14 | 25 | 21 | 18.5 | 37 | 32 |
| Cross sectional area (mm2) | 369 | 420 | 541 | 546 | 700 | 763 | 940 | 1196 |
| Type of steel | 40Cr | 40Cr | 40Cr | 40Cr | 40Cr | 40Cr | 40Cr | 40Cr |
| Elongation A100 mm | ≧ 5% |
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