Anchors Bolts T30/14 Self Drilling Rock Anchors for Quarry Thread Bolts
Specification:
Outer Diameter:30mm
Inner Diameter:14mm
Utimate Load:275KN
Yield load:220KN
Weight:2.9kg/meter
Features of hollow grounting anchor bolt
• Particularly suitable for difficult ground conditions.
• A high rate of installation since drilling, placing and grouting can be performed in one single operation.
• Self drilling system eliminates the requirement for a cased borehole.
• Installation with simultaneous drilling and grouting possible.
• Easy installation in all directions, also upwards.
• Suitable for working in limited space, height and in areas of difficult access.
• Simple post grouting system. • Hot-dipped galvanizing for corrosion protection
Applications in Tunneling & Ground Engineering
• Radial bolting
• Slope stabilization
• Forepoling
• Micro injection pile
• Face stabilization
• Temporary support anchor
• Portal preparation
• Soil nailing
Hollow anchor bar technical data:
| Size | O.D(mm) | I.D(mm) | Ultimate Load(KN) | Yield Load(KN) | Weight(kg/meter) | A | AGT |
| R25N-14 | 25.0 | 14.0 | 200 | 150 | 2.3 | | |
| R32L-22 | 32.0 | 22.0 | 220 | 180 | 2.8 | | |
| R32N-21 | 32.0 | 21.0 | 280 | 230 | 2.9 | | |
| R32N-18.5 | 32.0 | 18.5 | 280 | 230 | 3.4 | | |
| R32S-17.5 | 32.0 | 17.5 | 360 | 280 | 3.5 | | |
| R32S-15 | 32.0 | 15 | 360 | 280 | 4.1 | | |
| R38N-21 | 38.0 | 21.0 | 500 | 400 | 4.8 | >8% | >5% |
| R38N-19 | 38.0 | 19.0 | 500 | 400 | 5.5 | >12% | >10% |
| R51L-38 | 51.0 | 38.0 | 550 | 450 | 6.0 | | |
| R51L-36 | 51.0 | 36.0 | 550 | 450 | 7.6 | | |
| R51N-36 | 51.0 | 36.0 | 800 | 630 | 7.6 | | |
| R51N-33 | 51.0 | 33.0 | 800 | 630 | 8.4 | | |
| T76N-49 | 76.0 | 49.0 | 1600 | 1200 | 16.5 | | |
| T76S-45 | 76.0 | 45.0 | 1900 | 1500 | 19 | | |
| T30-11 | 30.0 | 11.0 | 320 | 260 | 3.3 | | |
| T30-14 | 30.0 | 14.0 | 275 | 220 | 2.9 | | |
| T40-16 | 40.0 | 16.0 | 660 | 525 | 7.1 | | |
| T40-20 | 40.0 | 20.0 | 540 | 425 | 5.6 | | |
| T52-26 | 52.0 | 26.0 | 930 | 730 | 10 | | |
| T73-56 | 73.0 | 56.0 | 1035 | 830 | 10.8 | | |
| T73-53 | 73.0 | 53.0 | 1160 | 970 | 14 | | |
| T73-45 | 73.0 | 45.0 | 1600 | 1270 | 17.5 | | |
| T103-78 | 103.0 | 78.0 | 2270 | 1800 | 25 | | |
| T103-51 | 103.0 | 51.0 | 3660 | 2670 | 44 | | |
| Steel grade | Acc. to EN10083-1 / EN10210-1 |
| Thread direction | Left hand / Right hand |
| Thread standard | ISO 10208 / ISO1720 / Other international standards |
Product Tags:
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T30/14 Self Drilling Rock Anchor For Quarry Thread Bolts Micropile Foundation Images
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