Micropiles
Bar Hardware Properties
DYWIDAG THREADBAR® Reinforcing Steel Hardware Properties
| THREADBAR® Designation | Hex Nut Length | Coupler Length | Coupler Outer Diameter Ø | ||||
| [in] | [mm] | [in] | [mm] | [in] | [mm] | [in] | [mm] |
| #11 | 36 | 2.89 | 73 | 6.37 | 162 | 2.25 | 57 |
| #14 | 43 | 3.55 | 90 | 7.82 | 199 | 2.65 | 67 |
| #18 | 57 | 4.23 | 107 | 9.35 | 238 | 3.50 | 89 |
| #20 | 63 | 4.85 | 123 | 10.38 | 264 | 3.86 | 98 |
| #24 | 75 | 4.10 | 104 | 9.19 | 233 | 4.75 | 121 |
| #28 | 90 | 4.80 | 122 | 10.61 | 270 | 5.38 | 137 |
DYWI® Drill Hollow Bar Hardware Properties
| Bar Size | Coupler Length | Coupler Diameter | Hex Nut Length | |||
| [in] | [mm] | [in] | [mm] | [in] | [mm] | |
| R51L | 7.87 | 200 | 2.48 | 63 | 3.54 | 90 |
| T40N | 6.30 | 160 | 2.24 | 57 | 2.68 | 68 |
| R51N | 7.87 | 200 | 2.48 | 63 | 3.54 | 90 |
| T76N | 8.66 | 220 | 3.82 | 97 | 3.15 | 80 |
| T76S | 8.66 | 220 | 3.82 | 97 | 3.15 | 80 |
DYWIDAG THREADBAR® Prestressing Steel Hardware Properties
| THREADBAR® Designation | Hex Nut Length | Coupler Length | Coupler Outer Diameter Ø | ||||
| [in] | [mm] | [in] | [mm] | [in] | [mm] | [in] | [mm] |
| 1-1/4" | 32 | 2.88 | 73 | 6.75 | 171 | 2.38 | 60 |
| 1-3/8" | 36 | 3.88 | 99 | 8.75 | 222 | 2.75 | 70 |
| 1-3/4" | 46 | 3.38 | 86 | 7.75 | 197 | 3.25 | 83 |
| 2-1/2" | 66 | 5.00 | 127 | 10.75 | 273 | 4.50 | 114 |
| 3" | 75 | 5.00 | 127 | 11.00 | 279 | 5.25 | 133 |
DYWIDAG nuts and couplers develop the ultimate load of the bar.
Bearing plates are available in any size and are made from steel material
conforming to ASTM A36 or ASTM A572 grade 50.