Rodding
Consolidating concrete by repeatedly plunging a rod through it, used in test specimens, small placements, and areas a vibrator cannot reach.
What does rodding mean?
Rodding is the prescribed consolidation method in standardized field tests, where the number of strokes per layer is fixed so results are comparable between technicians. In construction it supplements vibration along form faces to release surface air and reduce bugholes. It is slower and less effective than vibration in deep sections.
In practice
When a technician fills a slump cone or a cylinder mold in layers and counts strokes, that count is part of the test method.