Procedure to use the tailings as construction material giving it waterproofing characteristics and reduce its cracking

A process to utilize mining tailing as construction material conceding to it impermeabilizing properties and reducing its cracking, the process consisting of:

• a) applying to a mix of soil-mining tailings to be treated a solution that contains calcium;
• b) applying to the mix of soil-mining tailing treated in step (a), a solution that includes bacteria selected from the genre Bacillus or the genre Sporosarcina;
• c) adding maltodextrin;
• and
• d) stabilizing, compacting, and drying off the treated mix of soil-mining tailing, wherein the solutions from steps a) and b) are applied by at least one of aspersion, mixes, or irrigation.