| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to the industry of building materials, particularly to making articles - blocks from wood-cement compositions used mainly in farm building. The wood concrete mixture contains the following, wt %: cement 30-35; gypsum 0,5-1; modified technical lignosulphonate 0.2-0.8; bottle corks crushed into crumbs with particle size of not more than 5 mm 63.7-68.8, with water/cement ratio of 0.6-0.8. ^ EFFECT: low cement consumption and high frost-resistance of the wood concrete. |
