An inorganic grouting material for advance support, fractured rock reinforcement and underground seepage control.
Single-component and two-component options
Strong bond and penetration in fractured rock
Rapid strength gain for time-sensitive support works
Non-combustible, chloride-free and mine-safe formulatio
Product Introduction
Advance Support Inorganic Reinforcement Grout is used to strengthen loose coal and rock masses and to block water inflow paths in underground environments. It bonds effectively with fractured surrounding rock, improving mass integrity and mechanical performance in weak or disturbed ground.
The system is available in two versions. Type I is a single-component inorganic grout with good injectability, flow and penetration, suitable for deep-hole pre-grouting and behind-lining grouting. Type II is a two-component ultrafine inorganic grout with fast setting and early strength, intended for highly fractured surrounding rock and time-sensitive underground reinforcement.
Typical applications include roadway, chamber and shaft reinforcement, behind-shotcrete grouting, fault zones, collapse columns, fractured belts, seepage blocking, full-length anchorage for bolts and cables, and sealing of gas drainage, fracturing and monitoring holes.
Product Parameters
| Parameter | Type I | Type II |
|---|---|---|
| Reference Standard | T/QGCML3911-2024 | T/QGCML3911-2024 |
| Product Type | Single-component inorganic grout | Two-component ultrafine inorganic grout |
| Mix Water Ratio | 0.3–0.6:1 | 0.3–0.35:1 |
| Construction Temperature | 5°C–35°C | 5°C–35°C |
| Initial Setting Time | — | 70–120 s |
| Compressive Strength, 5 h | — | ≥10 MPa |
| Compressive Strength, 1 day | ≥20 MPa | ≥20 MPa |
| Compressive Strength, 3 days | ≥35 MPa | ≥35 MPa |
| Final Strength | ≥70 MPa | ≥60 MPa |
| Packaging | 25 kg/bag | 25 kg/bag |
| Shelf Life | 6 months | 6 months |
Product Usage
Deep-hole pre-grouting in geological structural zones
Behind-shotcrete grouting and surrounding rock reinforcement
Reinforcement of fractured roadway rock and mining faces
Water plugging in faults, collapse columns and seepage zones
Full-length anchorage support for bolts and cables
Sealing of gas drainage, fracturing, pressure-measurement and hydrogeological holes
Product Documentation
High-Water Mine Backfill Grout
Inorganic Reinforcement Grout for Advance Support & Broken Rock Stabilization | ZRETE
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