FIELD: chemistry.
SUBSTANCE: invention relates to industry of construction materials, in particular, to production of articles from wood-cement compositions, used, mainly, in rural construction. Wood concrete mixture contains, wt %: Portland cement 33-35, ground wood 61.2-63.3; gypsum 1-1.5; technical modified lignosulfonate 0.2-0.3; wastes of weaving production 2-2.5, with water-cement ratio being 0.6-0.7.
EFFECT: reduction of consumption of binding substance in wood cement composition.
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Title | Year | Author | Number |
---|---|---|---|
ARBOLITE MIX | 2011 |
|
RU2476401C1 |
WOOD CONCRETE MIXTURE | 2011 |
|
RU2477260C1 |
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Authors
Dates
2013-01-27—Published
2011-11-11—Filed