| Designation of specimen | Tensile rebar | Connection | Steel fiber exposure | Number of specimens | |
| Diameter (mm) | Lap-spliced length (mm) | ||||
| RN-CU | - | - | Placed concurrently | - | 2 |
| RN-CSF | - | - | Placed separately | Exposed | 2 |
| RS-CU | 19 | 150 | Placed separately | - | 2 |
| RS-CS | 19 | 150 | Placed concurrently | - | 2 |
| RS-CSF | 19 | 150 | Placed separately | Exposed | 2 |
| Total |
|
|
|
| 10 |