Environment-friendly natural-like artificial stone containing fly ash and the method for producing the artificial stone

A formulation for producing an artificial stone comprising:

• cement
• 30-70
• parts by weight;
• fly ash
• 10-70
• parts by weight;
• quicklime
• 2-25
• parts by weight;
• microsilica
• 5-10
• parts by weight;
• grit
• 20-50
• parts by weight;
• ceramic
• 0-50
• parts by weight;
• plasticizer
• 1-4
• parts by weight;
• cellulose ether
• 0.01-0.5
• parts by weight;
• starch ether
• 0.01-0.5
• parts by weight;
• lignocellulose
• 0.1-0.5
• parts by weight;
• (HOCH2CH2)nNH3−n
• 0.01-0.5
• parts by weight;
• wherein n is an integer from 1 to 3.

A method for producing an artificial stone comprising the following steps:

• Step 1, preparing a slurry of a color layer, a slurry of an outside layer, and a slurry of a matrix;
• the slurry of the matrix comprising:
• cement
• 30-70
• parts by weight;
• fly ash
• 10-70
• parts by weight;
• quicklime
• 2-25
• parts by weight;
• microsilica
• 5-10
• parts by weight;
• grit
• 20-50
• parts by weight;
• ceramic
• 0-50
• parts by weight;
• plasticizer
• 1-4
• parts by weight;
• cellulose ether
• 0.01-0.5
• parts by weight;
• starch ether
• 0.01-0.5
• parts by weight;
• lignocellulose
• 0.1-0.5
• parts by weight;
• (HOCH2CH2)nNH3−n
• 0.01-0.5
• parts by weight;
• wherein n is an integer from 1 to 3,
• the slurry of the outside layer comprising:
• cement
• 30-70
• parts by weight;
• fly ash
• 10-70
• parts by weight;
• hemihydrate gypsum
• 0-10
• parts by weight;
• quicklime
• 2-25
• parts by weight;
• microsilica
• 5-10
• parts by weight;
• calcined metakaolin
• 0-10
• parts by weight;
• grit
• 20-50
• parts by weight;
• ceramic
• 0-50
• parts by weight;
• plasticizer
• 1-4
• parts by weight;
• cellulose ether
• 0.01-0.5
• parts by weight;
• starch ether
• 0.01-0.5
• parts by weight;
• latex powder
• 2-15
• parts by weight;
• lignocellulose
• 0.1-0.5
• parts by weight;
• (HOCH2CH2)mNH3−m
• 0.01-0.5
• parts by weight;
• coupling agent
• 0-0.5
• parts by weight;
• wherein m is an integer from 1 to 3;
• Step 2, coating the prepared slurry of the color layer on an inside surface of a mold, to form the color layer;
• Step 3, coating the prepared slurry of the outside layer on a surface of the color layer in the mold;
• and
• Step 4, pouring the prepared slurry of the matrix into the mold, and vibrating the mold.