Self-drilling anchors are injection piles with a continuous external thread. The system is based on the normal R32, R38 and R51 drill rod threads. The threads of the anchor rods are cold rolled over the entire rod length. This cold forming process does not only harden and temper the steel and improve the yield point, it also ensures that each rod is subjected to a mechanical material test. The continuous external thread of the anchor rod guarantees an effective transport of cuttings and the anchor rod´s large internal diameter ensures trouble-free injection even for very long holes.
| Designation | R32-210 | R32-250 | R32-280 | R32-320 | R32-360 | R32-400 | ||
|---|---|---|---|---|---|---|---|---|
| Nominal Outer Diameter | Da, nenn | mm | 32 | |||||
| Outer Diameter | Da | mm | 31,1 | |||||
| Middle Inside Diameter | Di | mm | 21,0 | 20,0 | 18,5 | 16,5 | 15,0 | 12,5 |
| Nominal Cross-Section | S0 | mm² | 340 | 370 | 410 | 470 | 510 | 560 |
| Nominal Mass | m | kg / m | 2,65 | 2,90 | 3,20 | 3,70 | 4,00 | 4,40 |
| Force at the 0,2% Yield Load | Fp0,2 | kN | 160 | 190 | 220 | 250 | 280 | 330 |
| Final Load | Fm,nom | kN | 210 | 250 | 280 | 320 | 360 | 400 |
| Rp0,2 |
N / mm² |
470 |
510 |
540 |
530 |
550 |
590 |
|
| Ultimate Strength | Rm | N / mm² | 620 | 680 | 680 | 680 | 710 | 710 |
| Button Bit | Cross Bit | Powerline Cross Bit | Drop Center Bit | ||||
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| Without Tungsten Carbide ES | With Tungsten Carbide ESS | Without Tungsten Carbide EX | With Tungsten Carbide EXX | Without Tungsten Carbide EX | With Tungsten Carbide EXX | Without Tungsten Carbide ES-DC | With Tungsten Carbide ESS-DC |
| Connection Thread | Diameter | ||||||
| R32 | 51/64/76 mm | 51/76 mm | 51/76 mm | - | |||
| R38 | 64/76/90 mm | 76/90 mm | - | 100/115 mm | |||
| R51 | 90/100 mm | 90/100 mm | - | 100/115 mm | |||
| Anchor Coupling | Type | Outside Dia. | Length |
|---|---|---|---|
|
R32 | 42 mm 42 mm |
145 mm 160 mm |
| R38 | 51 mm | 180 mm | |
| R51 | 63 mm | 200 mm |
| Anchor Nut | Type | Outside Dia. | Length |
|---|---|---|---|
|
R32 | 46 mm | 45 mm |
| R38 | 50 mm | 49 mm | |
| R51 | 75 mm | 70 mm |
| Anchor Plate | Type | Dimension | Hole Diameter |
|---|---|---|---|
|
R32 |
150x150x8 mm 180x180x8 mm 200x200x10 mm 200x200x12 mm |
34,5 mm |
| R38 |
200x200x10 mm 200x200x12 mm |
40,0 mm | |
| R51 |
200x200x12 mm 250x250x25 mm |
52,5 mm |
| Dia. (mm) | Yield Point | Final load | Weight (kg / m) | Area (mm²) | Thread | Peak |
|---|---|---|---|---|---|---|
| 20 | 160 kN | 173 kN | 2,5 | 314 | M20 | 60° tip of choice |
| 25 | 245 kN | 270 kN | 3,9 | 491 | M24 | 60° tip of choice |
| 28 | 310 kN | 340 kN | 4,8 | 616 | M27 | 60° tip of choice |
| 32 | 405 kN | 440 kN | 6,3 | 804 | M32 | 60° tip of choice |
| 40 | 630 kN | 690 kN | 9,9 | 1256 | M42 | 60° tip of choice |
| 50 | 980 kN | 1080 kN | 15,4 | 1963 | M52 | 60° tip of choice |
Our Tenso.Rig anchor rods are solid B500B or S670 steel anchros with a special left-hand thread profile over the complete length. If necessary, the anchor rods can be cut by hand at the construction site in the needed length. And also extending to the desired system length by using a coupling.
| Steel B500B | Steel S670 | |||||
|---|---|---|---|---|---|---|
| Yield Point | Final load | Diameter | Yield Point | Final load | ||
| TS20 | 157 kN | 173 kN | 20 | 213 kN | 251 kN | TS20H |
| TS25 | 246 kN | 270 kN | 25 | 333 kN | 392 kN | TS25H |
| TS28 | 308 kN | 388 kN | 28 | 418 kN | 492 kN | TS28H |
| TS32 | 402 kN | 442 kN | 32 | 546 kN | 643 kN | TS32H |
| TS40 | 628 kN | 690 kN | 40 | 854 kN | 1004 kN | TS40H |
| TS50 | 981 kN | 1080 kN | 50 | 1316 kN | 1548 kN | TS50H |
| TS63.5 | 1757 kN | 2217 kN | 63.5 | 2153 kN | 2533 kN | TS63.5H |
