Castable, structural concrete with controlled shrinkage for super anchorage

Cod: GRT.0267

Componente: 1

Aspect: Praf

GROUT 6 HP SFR is a fibre-reinforced high-performance castable mortar, equipped with mechanical compressive and flexotraction resistance far superior to normal structural mortars. It is used for repairs, replenishments, strengthening concrete reinforcement and special works in FRC. The mix of special metal fibres (READYMESH MM-150) and synthetic fibres (READYMESH PM-060) is able to drastically reduce or even eliminate plastic-hygrometric shrinkage and the development of exceptional characteristics of ductility, fracture energy, resistance to shock and dynamic stress.

Linee di appartenenza

Certificǎri obținute şi Dispoziții

Produse și sisteme pentru protecția și repararea structurilor din beton - Reparații structurale și nestructurale (clasa R4)

EN 1504-3

Produse și sisteme pentru protecția și repararea structurilor din beton - Reparații structurale și nestructurale (clasa R4)

Caracteristici generale


Pot life: 30 min


Grosimea maximă recomandată: 20 cm


Conservare: 12 luni


Temperatura de utilizare: +5 / +35 °C


Amestecaţi cu apă: 10-11 %


Diametrul maxim al agregatului: 6 mm


Grosimea minimă recomandată: 2.5 cm

Specificații tehnice

Rezistenţa la comprimare la 07 de zile

85 N/mm²

Forţa de aderenţă

3 N/mm²

Absorbție capilară

< 0.5 kg•h^0.5/m²

Rezistenţa la flexiune la 28 de zile

16 N/mm²

Rezistenţa la comprimare la 28 de zile

> 100 N/mm²

Reacție la foc

A1 _

Conţinut de cloruri

<0.01 %

Modul elastic static

35000 N/mm²

Rezistenţa la flexiune la 01 zi

7 N/mm²

Rezistenţa la flexiune la 07 de zile

14 N/mm²


2370 kg/m³

Rezistenţa la carbonatare

0.5 mm

Rezistenţa la tracţiune longitudinală

> 5 N/mm²

> 6 N/mm²

Rezistență la compresiune la 01 de zile

50 N/mm²

Culori disponibile

- Gri

Ambalaje şi dimensiuni

- Paletă: 50 x (Sac 25 kg)

- Sac 25 kg


With very low water-binder ratios, GROUT 6 HP SFR makes it possible to achieve compacting and hyperfluid rheologies that favour the movement of the mortar and the perfect filling of reinforced sprays, even with narrow spaces between the bars. The microsilica with pozzolanic activity increases the cohesion of the mixture with typical anti-segregating and anti-run-off effect. The particular fineness of the hydraulic binders contained in the formula promotes adherence to the substrate and has an effect of enlarging the fibrous components. The fibre mix offers strong ductility, toughness and flexotraction resistance to the castings performed with GROUT 6 HP SFR. With regard to the ANTICORROSIVE and PROTECTIVE FUNCTION ON THE REINFORCEMENT BARS, the main features of GROUT 6 HP SFR are:
• the mix of high-strength superfine binders, combined with very fine silicas with pozzolanic activities, to render the mortars intrinsically impermeable to water at the end of the hardening process;
• The strongly alkaline pH (> 12) protects the reinforcement bars from triggering corrosion;
• The negligible breathability of the carbon dioxide ensures hardened mortars with extremely prevalent anti-carbonation characteristics.
Overall, these anticorrosive specificities render the classic treatment of reinforcement bar passivation, preparatory to the pouring of castable mortar UNNECESSARY, provided that not too much time passes between the white metal cleaning operations and the castings of pourable mortar, at the risk of new oxidative processes being triggered. Thus, only in the event that long exposure times are foreseen between the bar-cleaning operations and the pouring of castable mortar is it advisable to treat with passivating slurry (REPAR MONOSTEEL or REPAR STEEL), applied by brush and only on the reinforcing bars.


Approximately 21.00 kilograms/square metre of GROUT 6 HP SFR per centimetre of thickness to be realised (about 2100 kilograms per cubic metre).

Domenii de utilizare

On-site castings or pumping carried out for any kind of structural replenishment of reinforced concrete, seismic reinforcement and adjustment, increases in cross-sectional resistance of concrete structures and masonry, anchorages of large-scale machinery (especially in the presence of significant dynamic stresses), anchoring of port bollards, deep-drawing and reinforcement works, restoration of highly-stressed industrial flooring both from a static and dynamic perspective, restoration of degraded foundations on bridges and viaducts especially whereby necessitating rapid reopening to vehicle traffic, construction of structures designed with HPC (High Performance Concrete) needs.

Pregǎtirea suporturilor

Application surfaces must be clean, free of dust, contamination, crumbling, inconsistencies, etc., and adequately saturated-surface-dry with water. An adequate roughening of the surfaces by scarifying, sandblasting etc. is always necessary in order to obtain the maximum adhesion values to the substrate. The optimal values are obtained with high pressure hydro-scarification. Bare the irons undergoing disruptive oxidation or deeply oxidized, removing the rust of the exposed irons (by sandblasting or abrasive brushes).

Mod de utilizare

Mix the entire content of a bag of GROUT 6 HP SFR with effective vertical-axis mixers for at least 6 minutes, initially introducing a slightly reduced amount of water (9% = 2.25 litres/25 kilograms bag) compared to the required total water permitted (10%–12% = 2.5litres — 3.0 litres/25 kilogram bag) whilst mixing for at least 4 minutes. After this mixing time, evaluate the consistency of the mixture and, if necessary, gradually add in the last of the water until achieving the desired workability, without exceeding the limit of 12% (3.0 litres/25-kilogram bag), mixing at high RPM for at least another two minutes. For thick casting sections, it is advisable to add GHIAIETTO 6.10 (consult the relevant technical data sheet or ask for more information on the appropriate dosage of GHIAIETTO 6.10 from our technical service). Given the self-levelling properties of the product and its self-compacting capacity, paying due attention to the vibration phase is recommended. Excessive zeal in the vibration operation can worsen the aesthetic rendering of the end result. Do not use in the absence of suitable lateral containment. Ensure exposed surfaces are protected and wet-cured. Adopt casting procedures to ensure the absence of voids and discontinuities. Only pour the mortar from one part of the casting perimeter to avoid air pockets.

Metode de aplicare

- Turnare

Curǎțarea instrumentelor

- Apă

Suporturi permise

- Beton

- Fier de armatură oxidat

- Ziduri din cărămidă cu goluri

- Ziduri din piatră

- Ziduri mixte

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