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REKS GRAUT GP (VSM) — grout under the rail slab of ballastless high-speed track
REKS

REKS GRAUT GP (VSM) — grout under the rail slab of ballastless high-speed track

Cementitious grouts

The VSM version of the Graut GP grout is intended for filling the space under the rail slab in ballastless high-speed track structures. REKS GRAUT GP (VSM) is a non-shrink low-viscosity cementitious mortar of pourable consistency, class R4 per GOST R 56378; it is also used for machine bases, fixing beams and columns, fixing bolts and injecting into cavities and ducts. Segregation is no more than 7 %, air content 3–6 %, compressive strength from 35 MPa after one day and 70 MPa at 28 days, and flexural strength after 3 days at least 5.5 MPa.

Specifications

ManufacturerREKS — OOO “SPS”
Typecementitious grouts
Useequipment foundations, anchoring of rebar and bolts, columns and beams, tunnels and metro
Basenon-shrink low-viscosity cementitious repair mortar of pourable consistency
Colourgrey
Packagingbag 25 kg
Application methodinstallation of machine bases and fixing of beams and columns; injection into cavities and ducts; filling the space under the rail slab in BALLASTLESS HIGH-SPEED TRACK structures; fixing of bolts
Application temperaturenot below +5 °C
Curingprotection from precipitation for at least 24 h; in hot and windy weather — water spraying and covering with film
Key propertiesmodulus of elasticity: ≥25,000 MPa; density of hardened mortar: 2.3 ± 5 % t/m³; freeze-thaw resistance: F2 400; bond to substrate at 28 days: ≥2.1 MPa; water impermeability: W16; segregation: ≤7 %; air content: 3–6 %; compressive strength at 28 days: ≥70 MPa; flexural strength at 1 day: ≥5 MPa; flexural strength at 3 days: ≥5.5 MPa; flexural strength at 28 days: ≥9 MPa; bond to substrate at 28 days after 50 freeze-thaw cycles in salts: ≥2.0 MPa; aggregate size: 2.5 mm; flowability retention: 30–45 minutes; workability (standard cone spread): ≥5 cm; standard cone spread reaches 50 cm): 3–7 s; flowability: 250–300 mm; compressive strength at 1 day: ≥35 MPa; capillary water absorption: no more than 0.4 kg/(m²·min⁰·⁵)
Shelf life12 months from the date of manufacture
Standardsclass R4 per GOST R 56378

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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