Bridges, overpasses, tunnels, dams, tanks and treatment plants are the main applications for this coarse-grained thixotropic class R4 mortar with polymer fibre. It is intended for structural repair and strengthening of vertical, inclined and overhead surfaces with spalls and gouges, including columns and beams. After 28 days: 65.0 MPa in compression (B50) and 9.0 MPa in flexure (Btb6.8), watertightness W20, frost resistance F1 1000, contact zone Fkz 100.
| Manufacturer | Pakol — OOO “NPO Pakol”, Vysokaya Gora |
|---|---|
| Type | thixotropic repair mortars |
| Use | bridges and overpasses, tunnels and metro, hydraulic structures and dams, industrial buildings, tanks and treatment plants, columns and beams |
| Base | Dry construction mix with polymer fibre, coarse-grained, non-shrink, thixotropic type, on a cement binder, with a maximum grain size of 3 mm |
| Packaging | 25 kg bags (three-ply with a polyethylene liner) |
| Application method | For structural repair and strengthening of overhead, inclined and vertical surfaces with local damage (spalls, gouges, etc.) up to 60 mm deep |
| Application temperature | optimum +18…+30 °C; permitted from +5 °C |
| Curing | moist curing for 2 days (covering with film, spraying with water) |
| Key properties | aggregate size, mm: 3.0; mixing water, l per 1 kg: 0.14…0.16; workability retention, min: 40; workability: cone penetration 4–8 cm (Pk2), spread 170-190 mm; bond strength to substrate, MPa: 2.5; strength after 24 h: flexural 6.0 / compressive 30.0 MPa; strength after 28 days: flexural 9.0 (Btb6.8) / compressive 65.0 (B50) MPa; modulus of elasticity, GPa: 25.0; sulphate resistance group: III; contact zone frost resistance: Fkz 100; frost resistance: F1 1000, F2 300; watertightness: W20 |
| Shelf life | 12 months from the date of manufacture; storage at -40…+50 °C, humidity no more than 70 % |
| Standards | Pk2, B50, Btb6.8, W20, F1 1000 to GOST 31357-2007 (taking into account the requirements of GOST R 56378-2015, class R4); TU 23.64.10-002-76310469-2021 |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
Coarse-grained winter B50 flowable mortar for deep gouges on bridges and equipment foundations, without heating down to −20 °C; 20.0 MPa after 2 h.
Mix with steel and polypropylene fibre for repair and strengthening of structures under dynamic and vibration loads; flexural strength 11.0 MPa (Btb8.0).
Basic microcement grade with particles up to 0.1 mm: it is used to prepare an injection grout for bases, soils and internal damage in masonry and concrete.
Fibre-reinforced thixotropic mix for shotcreting concrete, brick and stone walls and ceilings on bridges and in tunnels; class R3, W12.
Rapid-hardening thixotropic mix for urgent repair of walls, ceilings and columns at −10…+7 °C; 12.0 MPa compressive after 2 h.
Rapid-hardening fine-grained B40 flowable mortar for autumn and spring repair of floors and equipment foundations at −10…+7 °C; 10.0 MPa after 2 h.
