Methods Published on 31 Mar 2020 Non-destructive Testing of a 100-Year-Old Reinforced Concrete Flat Slab Bridge in Bridge Engineering Patryk J. WolertMarek K. KolodziejczykJ. Michael StallingsAndrzej S. Nowak Frontiers in Built Environment doi 10.3389/fbuil.2020.00031 5,213 views 5 citations