FIELD: chemistry.
SUBSTANCE: compositions of concrete setting accelerators containing organic and inorganic active ingredients. The composition for accelerating the setting of shotcrete and sprayed concrete includes components in the following ratio, wt.%: aluminum sulfate 20-48, aluminum hydroxide 3-10, thickener 0.05-3, container preservative 0.03-0.5, water 40-70.
EFFECT: increasing the setting speed of shotcrete and sprayed concrete, increasing the rate of curing of concrete, as well as increasing the initial strength of concrete, as well as increasing the final strength of concrete, the reliability of concrete structures and increasing the shelf life and stability of the product.
3 cl, 6 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STABILIZED HARDENING AND SETTING ACCELERATOR FOR HYDRAULIC BINDERS | 2015 |
|
RU2693214C2 |
| BASED ON FLY ASH LIGHT-WEIGHT CEMENTING COMPOSITION WITH HIGH COMPRESSIVE STRENGTH AND FAST SETTING | 2009 |
|
RU2513813C2 |
| WATER-SOLUBLE ALKALI-FREE SETTING AGENT AND METHOD FOR PRODUCTION THEREOF | 2011 |
|
RU2524098C2 |
| ACCELERATING AGENT COMPOSITION | 2016 |
|
RU2711191C2 |
| IMPROVEMENTS IN BINDING COMPOSITIONS OR RELATED TO BINDING COMPOSITIONS | 2011 |
|
RU2578688C2 |
| CONSTRUCTION CHEMICAL COMPOSITIONS CONTAINING A BISULPHITE ADDUCT OF GLYOXYLIC ACID | 2017 |
|
RU2736845C2 |
| COLORFAST JOINTING MATERIALS | 2001 |
|
RU2264362C2 |
| METHODS FOR MANUFACTURING LIGHT GYPSUM COMPOSITION WITH INTERNAL FOAM FORMATION AND PRODUCTS MADE FROM IT | 2017 |
|
RU2751075C2 |
| LIGHT FOAMED BINDING SUBSTANCE BASED ON FLY ASH AND SYNTHESIS METHOD THEREOF | 2011 |
|
RU2595113C2 |
| ACCELERATOR FOR MINERAL BENDERS | 2014 |
|
RU2670230C2 |
