WHAT COMPOSITION OF CEMENT SLURRIES - RECIPES

1) For a bricklaying:

·         one part of cement of mark «400»;

·         two parts of clay or lime;

·         12 parts of sand.

or

·         one part of cement of mark «200»;

·         one part of clay or lime;

·         6 parts of sand

 

It is necessary to mean that after 6 months of storage the cement fortress is lost almost on 25 %. I.e., cement of mark «400» becomes accordingly marks «300».

 

2) Structure of simple concrete:

·         one part of cement;

·         1,5 parts of sand;

·         3 parts of gravel (amiesite).

 

It is necessary to mean, that, the increase of quantity of cement more than 500kg, in 1м³ concrete, brings to loss of quality of concrete, concrete loses durability.