FIELD: construction engineering.
SUBSTANCE: method for making cement of low water demand involves a combined grinding of Portland cement and an organic dewatering reagent to the specific surface 400-700 m2/kg and grinding thereof with a mineral carbonate-containing dust with calcium carbonate portion 60 wt % and more to said specific surface in the following ratio, wt %: Portland cement - 50-70, carbonate-containing dust - 30-50, the organic dewatering reagent - 0.3-3.0 over 100%. Cement of low water demand is made by the method described above.
EFFECT: additional reduction of water demand, higher density of the cement paste, durability of the cement stone, improved rheological characteristics.
2 cl, 2 tbl, 12 ex
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RU2373163C1 |
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RU2656270C1 |
| IRON-OXIDE PORTLAND CEMENT FOR CORE CATCHER OF NUCLEAR REACTOR | 2019 |
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RU2754136C2 |
| PRODUCTION OF NANOCEMENT AND NANOCEMENT | 2013 |
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RU2544355C2 |
| FIBROUS NANOCEMENT AND PREPARATION METHOD THEREOF | 2015 |
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| METHOD OF MANUFACTURING LOW WATER-DEMAND CEMENT | 2001 |
|
RU2207995C2 |
| NANOMODIFIED CEMENT OF LOW WATER DEMAND | 2021 |
|
RU2802732C2 |
| HYDRAULIC CEMENT | 1996 |
|
RU2096364C1 |
| METHOD TO PRODUCE BINDER OF LOW WATER CONSUMPTION | 1992 |
|
RU2029749C1 |
