Number | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | R11 | R12 |
Groove spacing/mm | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 | 23.15 |
Groove depth/mm | 0.88 | 0.88 | 0.88 | 2.02 | 2.02 | 2.02 | 3.04 | 3.04 | 3.04 | 3.95 | 3.95 | 3.95 |
Bolt diameter/mm | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.40 | 18.64 /20.4 | 18.64 /20.4 | 18.64 /20.4 |
Anchorage length/mm | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
Temperature/˚C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
Ultimate tension/kN | 175.6 | 179.5 | 183.9 | 186.5 | 190.3 | 187.6 | 201.2 | 200.9 | 200.6 | 208.9 | 207.8 | 208.1 |