UK-10SF140 DRY SHOTCRETE MACHINE

The KAMACH Dry Shotcrete Machine is a trackless, diesel/hydraulic-driven dry-mix shotcreting unit​ engineered for ground support​ and temporary / permanent rock reinforcement​ in underground hard-rock mines, tunnels and other underground excavations.

The machine continuously doses and conveys pre-mixed dry shotcrete (gunite) material​ — typically a dry blend of cement, aggregates (sand / crushed stone) and admixtures​ — through a rotary screw feeder, metering it at a controlled and repeatable output, then conveying it via compressed air through a shotcrete hose to the nozzle. At the nozzle, water and accerlerator is injected and mixed inline, and the plasticised mixture is propelled at high velocity onto the rock surface, forming a dense, high-strength reinforced concrete / shotcrete layer​ that provides immediate ground support.

The dry-mix process offers distinct advantages in remote, cold-region and low-ventilation headings: it uses simple, robust, low-maintenance equipment, tolerates wider variations in mix design, and allows long-distance conveying with minimal line clogging​ — making it particularly suited to development drivage, decline / ramp development, shaft sinking and narrow-vein operations​ where wet-mix logistics are impractical.