Structural concrete fix calls for ensuring reinforcement is simply not left undercut or poorly bonded
https://bead-bull-8bf.notion.site/Structural-concrete-restoration-and-crack-repair-together-often-stop-corrosion-cycles-by-blocking-mo-3a6ce7e8c46c8024a65ae480d367e554
Structural concrete recovery requires making sure reinforcement isn't really left undercut or poorly bonded, given that voids can scale down switch of stresses.