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2. ACI American Concrete Institute, ACI 562–16 – Code requirements for assessment, repair, and rehabilitation of existing concrete structures and commentary, ACI, Farmington Hills; 2016.
3. AASHTO American Association of State Highway, T. Officials, Manual for bridge evaluation, ACI, Farmington Hills; 2016.
4. Influence of carbonation depth on concrete strength evaluation carried out using the sonreb method;Breccolotti;NDT&E Int,2013
5. I-sonreb: an improved ndt method to evaluate the in situ strength of carbonated concrete;Breccolotti;Nondestr Test Eval,2015