FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials, particularly to making articles (boards, blocks) from wood-cement compositions primarily used in farm building. The wood concrete mixture contains the following, wt %: portland cement 39-43; hogged chips 50.1-54.7; gypsum 1-3; superplasticiser S-3 0.9-1.3; sodium ethyl siliconate or sodium methyl siliconate 3-4, wherein the water-to-cement ratio is equal to 0.45-0.5.
EFFECT: high frost resistance of articles.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ARBOLITE MIX | 2011 |
|
RU2476398C1 |
| WOOD CONCRETE MIXTURE | 2012 |
|
RU2508265C1 |
| WOOD CONCRETE MIXTURE | 2011 |
|
RU2477260C1 |
| CEMENT WOOD MIXTURE | 2011 |
|
RU2452706C1 |
| ARBOLIT MIXTURE | 2012 |
|
RU2507171C1 |
| WOOD CONCRETE MIXTURE | 2011 |
|
RU2472732C1 |
| ARBOLIT MIXTURE | 2012 |
|
RU2507172C1 |
| WOOD CONCRETE MIXTURE | 2012 |
|
RU2508266C1 |
| WOOD CONCRETE MIXTURE | 2012 |
|
RU2508264C1 |
| WOOD CEMENT MIXTURE | 2011 |
|
RU2473491C1 |
