Wet-mix shotcrete is the mainstream,pumping pre-mixed wet concrete and using compressed air for spraying.Compared to dry-mix,it offers lower dust,reduced rebound,and more uniform,stable concrete quality.Uses a hydraulic pumping system for stable,continuous output.An integrated accelerator system allows precise dosage control.Features fault diagnostics and remote control.Designed for wear resistance and clog prevention,with special materials and structures for key components like the rotor,material chamber,and pipelines.
Main specification is theoretical output(m³/h),e.g.,5 m³/h,10 m³/h,15 m³/h.Max conveying distance(horizontal/vertical)is important.Suitable max aggregate size is typically 15mm.System working pressure can reach 7-10 MPa.Engine power ranges from 30kW to 90kW.Accelerator dosage is adjustable(e.g.,3%-8%)
Widely used in tunnels,roadways,slope support,underground structures,reservoirs,and for structural repair and strengthening.It can spray concrete directly onto irregular surfaces,quickly bonding to form a high-strength support layer,making it key equipment in underground engineering and the New Austrian Tunnelling Method.
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