Factors Affecting Rebound Value

• Type of aggregates.
• Degree of compaction.
• Age of concrete.
• Dryness/wetness of the surface.
• Rigidity of the member.
• Surface finish of concrete- moulded/ troweled.
• Maintenance of rebound hammer.
• Inclination of the rebound hammer.
• Type of cement.
• Carbonation.
• Cover.

Know about the Factors Affecting Pulse velocity