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  • Additive Compounds for Concrete Mix Preparation ShotRock
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    Materials for the construction of isolating curtain walls
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    Contact Us
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    MST EN
    • About MST
      • About MST
      • About MST
      • Mission and values
      • Vacancy
    • Products
      • Products
      • Additive Compounds for Concrete Mix Preparation ShotRock
      • Mineral Capsule for Bolts Fixing MCC
      • Materials for the construction of isolating curtain walls
      • Mineral Sealing Stemming SBP
      • Dry Mixes Used for Shotcreting ShotRock
        • Dry Mixes Used for Shotcreting ShotRock
        • Dry unreinforced mixs for shotcreting and concrete spraying
        • Dry reinforced mixes for shotcreting and concrete spraying
        • Dry heat insulating mix for shotcreting and concrete spraying ShotRock
        • Dry reinforced waterproof mixes for shotcreting and concrete spraying
        • Dry reinforced mix for shotcreting and concrete spraying Sulfate Resistant
      • Special Purpose Products
      • Dehydrating Additives for Mining Settling Basins
    • Contacts
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    Materials for isolation of mine workings.

    Materials for isolation of mine workings. Dry reinforced mix for the construction of isolating, including explosion-proof, curtain walls SBR-wall

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    Materials for isolation of mine workings.
    Materials for isolation of mine workings.

    Materials for isolation of mine workings. Dry reinforced mix for the construction of isolating, including explosion-proof, curtain walls SBR-wall

    Details
    Characteristics
    Binding Base
    —
    Portland cement
    Aggregate
    —
    sand
    Length of used fiberglass
    —
    6-12 mm
    Fraction of aggregate (at the customer's choice)
    —
    up to 3.2 mm
    Water consumption for mix preparation
    —
    0.18-0.2 liters per 1 kg of mixture
    Temperature of working surface
    —
    from +5ºC to +30ºC
    Temperature of water
    —
    from +5ºC to +30ºC
    Compression resistance after 28 day storage
    —
    at least 40 MPa
    Water-resistance of shotcrete ready mix
    —
    W10...W12
    Materials for isolation of mine workings.
    By order
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    • Description
    • Documents

    Materials for isolation of mine workings

    The dry reinforced mix SBR-wall is intended for making curtain walls in order to insulate unused mine workings and mined-out spaces in coal mines. Dry reinforced mix SBR-wall is used for the construction of ventilation, water and pulp-proof, explosion-proof and dynamically stable isolating curtain walls. The dry reinforced mix SBR-wall allows construction both cut and no-cut curtain walls. The dry reinforced mix SBR-wall can be used for making jackets adjacent to the curtain wall, non-combustible lining, grouting of weakened mine workings , as well as isolating coal beds from contact with the mine atmosphere, prevention of leaks and air leakage through cracks in coal pillars.

    Compressive strength (in 3 days) — at least 25 MPa

    Bending strength after storage for 28 days — at least 10 MPa

    Bending strength after storage for 3 days — at least 7.5 MPa

    Adhesion with coal and rock at the age of 28 days — at least 1.5 MPa

    KEY BENEFITS
    • High compressive and bending strength
    • Durable
    • Enables quick construction of a curtain wall
    COMPOSITION

    Dry reinforced mix for the construction of isolating, including explosion-proof, curtain walls SBR-wall is a polymer-mineral fine-grain mix obtained through intensive mixing of graded sand, high-grade Portland cement and a set of modifying additives, ensuring durability, high rate of gaining early strength and waterproofing.

    MIX APPLICATION

    Preparation of 1 cubic meter of solution requires 1700-1800 kg of dry mix. The mix rebound is less than 5%. Before applying the mortar, make the rear wall as formwork (plywood, fiberboard, chipboard). After that, the mortar is applied using the shotcreting equipment for dry or wet shotcreting.

    When using equipment for dry shotcreting, type A dry reinforced mix SBR-wall is applied, for wet shotcreting - type B dry reinforced mix SBR-wall, the mortar is applied continuously until full completion. Working surface, ambient air and gauged water temperature must be at least +5ºC and no more than 30ºC.

    Works of preparation and application of shotcrete mixes must be performed in accordance with the requirements of the document titled Instruction for the construction and repair of isolating and explosion-proof curtain walls using the “Dry reinforced mix SBR-wall”. The rebound accumulated on the soil of the mine working is periodically mixed with a jet of shotcrete or eliminated.

    DRY MIX CONSUMPTION

    Dry mix consumption depends on the type of work performed. Preparation of 1 cubic meter of solution requires 1700-1800 kg of dry mix. The mix rebound is less than 5%.

    PACKAGE TYPE

    Comes in bags with polyethylene liner weighing 25 kg (±0.5 kg), put into big bags with polyethylene liner, 1000 kg each.

    SHELF LIFE

    Store the construction mix in a dry place with relative humidity of 60%, temperature from –50 to +50ºC. Shelf life in the manufacturer’s packaging is 6 months from the date of manufacture.


    Documents
    Dry reinforced mix for the construction of isolating, including explosion-proof, curtain walls SBR-wall
    202,4 Кб

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    Additive Compounds for Concrete Mix Preparation ShotRock
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    Special Purpose Products
    Dehydrating Additives for Mining Settling Basins
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