U799
Long pot life, easy pump, high early and final strength grout for offshore wind turbine foundations. Type approved by DNV GL.
ShifuGrout U799
Long pot life, easy pump, high early and final strength grout for offshore wind turbine foundations. Type approved by DNV GL.
ShifuGrout U799 is an ultra-high strength grout used for offshore wind turbine concrete foundation installation, i.e. monopile, jacket and tripods. Specifically formulated for working environments in subtropical regions like Taiwan, ShifuGrout U799 is 100% developed and manufactured in Taiwan, packed and transported in watertight bulk bag.
ShifuGrout U799 obtained DNV GL Type Approval Certificate (TAC) in September 2019. A full scale mock-up testing at standard (20°C) and elevated (35°C) temperature was performed with procedures approved by DNV GL.
DESCRIPTION
FIELDS OF APPLICATION
ShifuGrout U799 is designed for high temperature, large scale and pumping applications.
- Grouting for connections in wind turbine foundations and oil & gas installations.
- Applicable at temperature 5°C ~ 35°C.
- All void filling from 40mm to 800mm thickness.
FEATURES AND BENEFITS
- Ultra high characteristic strength fck 127MPa
- High early and final strength
- No segregation nor bleeding
- No wash-out during underwater grouting
- Pump over long distance and large heights
- Extended pot life ≥ 2 hours
- Excellent durability
- Excellent fatigue resistance
DESCRIPTION
| Technical Data(1) | Unit | Values (20 ℃) | Values (35 ℃) | |
| Mixing water demand | - | % | 8.8 ± 0.5 | 10.5 ± 0.5 |
| Fresh density | EN 1015-6 | g/cm³ | Approx. 2.33 | Approx. 2.30 |
| Pot life of mixed material | ASTM 1437 | hours | ≥ 2 | ≥ 2 |
| Air content | EN 1015-7 | % | ≤ 3 | ≤ 3 |
| Setting time (End of setting) | EN 196-3 | hours | 16 | 7 |
| Compressive strength (75 mm cubes ) - after 3 days - after 7 days - after 28 days |
EN 12390-3 | MPa | 80 100 130 |
80 100 130 |
| Flexural strength (40×40×160mm) -after 28 days |
EN 196-1 | MPa | 16.6 | 17.9 |
| Splitting tensile strength (150×300mm) -after 28 days |
EN 12390-6 | MPa | 6.9 | 7.8 |
| Bleeding / Segregation | ASTM C940 | - | None | None |
| Ring Test -after 28 days |
ASTM C1581 | mm/m | -0.041 (No crack) |
- |
| Static Young’s modulus | ASTM C469 | GPa | 44.8 | - |
| Poisson's ratio | ASTM C469 | - | 0.20 | - |
| Fatigue factor | DNVGL-ST-C502 | - | For dry C1=12.0 C5=1.0 For submerged in water C1=10.0 C5=1.0 |
- |
| Characteristic strength fck | Unit | Values | ||
| Compressive strength (75 mm cubes ) | EN 12390-3 | MPa | 127 | |
| Application information | Unit | Values | ||
| Nominal Bore (NB) for grout hoses/lines | inch | NB ≥ 2 | ||
| Grout annulus thickness | mm | 40 ≤ t ≤ 800 | ||
| Pumping length through 2”NB flexible hose | m | L ≤ 160 | ||
| Pumping elevation head using 2”NB flexible hoses | m | H ≤ 20 | ||
| Application temperature | ℃ | 5 ~35 | ||
