Articles Search

SafetyGeneralThe Hidden Cost of Nozzle Wear: How a 10% Increase in Nozzle Diameter Reduces Air Velocity by 17%

Raúl Bracamontes

In shotcrete operations, nozzle condition is often underestimated. Crews typically monitor pump output, airflow, slump, and accelerator dosage — but nozzle wear rarely receives the same level of attention. From a fluid mechanics standpoint, however, nozzle wear has a direct and measurable effect on…