Research Article
Surface Properties of Concrete and Bonding Strength of Pine Resin-Based Adhesives to Concrete Surfaces
Table 4
Surface roughness of concrete (unit: μm).
| | 
 |  | Specimen |  |  |  |  | 
 |  | FN | 14.14 ± 1.18 | 17.87 ± 1.12 | 144.57 ± 14.96 |  | FC | 7.83 ± 0.47 | 10.18 ± 0.53 | 92.43 ± 6.47 |  | FS | 22.46 ± 5.64 | 27.16 ± 6.19 | 155.45 ± 7.14 |  | 
 | 
 |