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Free Open
UHPC
Recipe
Because the only thing better than a great recipe is sharing it with others
UHPC is here to stay and everyone should benefit from it
At HiPer Fiber, we believe in the power of collaboration and open development. That's why we share our open Ultra-High Performance Concrete (UHPC) formula, which provides a solid foundation for others to build upon and innovate.
Cement
Slag Cement
​
Silica fume
​
Water
​
HRWR
​
HiPer Fibers
​
Fine sand
(grain size 100-300 micron)
​
Coarse sand
(grain size 400-900 micron)
​
Defoaming agent
IMPERIAL UNITS (per cubic yard)
653 lb
653 lb
327 lb
227 lb or 33.2 gallons
39.2 lb or 550 oz
200-265 lb
s
369 lb
a
1585 lb
a
4 lb
METRIC UNITS (per cubic meter)
388 kg
388 kg
194 kg
164 kg
23 kg
118-157 kg *
s
230 kg
a
920 kg
a
2.4 kg
Notes
Create your custom UHPC with HiPer Fibers
* - High demand applications, such as blast and impact loading, would tend to require 2% by
volume, the remaining all other applications, e.g. traffic loading on bridges, 1.5% by volume.
Dosage can be increased to address extreme loading conditions.
-
Water/cement ratio is 0.23. If it is hot (say above 80 degrees ambient temperature), you could use ice (20% - 40% of water) to aid in mixing.
-
If you use Elkem 900W or a light colored silica fume, you may need to reduce the HRWR a bit
-
Batch trial is recommended
-
This information is not warrantied. You must conduct your own testing to ascertain performance.
Mix Protocol
Create your custom UHPC with HiPer Fibers
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Dry mix: 10 minutes. Add water and HRWR over 2 minutes
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Wait for turnover (fluidity), which usually occurs within 15 minutes
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Mix another 10 minutes after turnover
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Add fibers gradually over 2 minutes
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Mix for ten minutes then cast.
Mixers
Create your custom UHPC with HiPer Fibers
Can be mixed in most mixers including ready-mix trucks
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