Research Article
Evaluation of Subsurface Damage in Concrete Deck Joints Using Impact Echo Method
Table 1
Summary of results for GPR, PSPA, and coring.
| Location | GPR results [5] | PSPA results | Coring results |
| Sta.1-2L | Severe | Severe | Severe | Sta.9-Cen | Moderate/severe | Slight | Moderate | Sta.9-16R | Moderate | Good | Moderate | Sta.17-2R | Slight | Slight | Good | Sta.17-12R | Good | Severe | Good | Sta.17-18L | Moderate | Moderate | Severe |
|
|