Rock mass reinforcement
Mineral mining binders
Mineral Mining Binder COVER (COVER TW 10, COVER TW 20, COVER TW 40, COVER TW 20/S, COVER TW 40/S) is a binding material produced from cement, mineral additives, modifying admixtures, and polymer fibers (variants marked with "S"). COVER binders are non-flammable and non-toxic products.
Excellent adhesionRapid strength developmentLow material waste during application
Applications
- Shotcreting of mine workings (roofs and sidewalls)
- Building insulating dams
- Making protective support strips
- Making insulating backfill strips
- Making preliminary support
- Connecting support with rock mass
- Filling voids in rock mass
- Insulating roofs and sidewalls against water and gas ingress (reducing coal self-ignition tendency)
- Protecting exposed rock surfaces against weathering
Properties
- Excellent adhesion
- Rapid strength development
- Low material waste during application
- Easy to use
- Non-flammable
- Polymer fiber binders are characterized by:
- Increased resistance to cracking
- Increased fatigue resistance and impact strength
- Synthetic fiber resistance to aggressive water
Advantages
- Reduced risk of concrete coating detachment during rock mass movement
- Improved work safety
- Ability to reduce or eliminate steel reinforcement
Gallery
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