METHOD FOR RESTORATION AND REPAIR OF ARTICLES AND STRUCTURES MADE OF CONCRETE AND NATURAL STONE Russian patent published in 2024 - IPC C04B41/62 

FIELD: biological methods of obtaining high-strength materials.

SUBSTANCE: in the method of restoration and repair of articles and structures made of concrete and natural stone using spores of fungi of the genus Trichoderma, articles are immersed in a moistened substrate or on the surface of articles or structures moistened substrate is applied, maintained for at least 2 months, maintaining humidity at level of 20% and temperature optimal for fungi of the genus Trichoderma, after which the articles or structures are separated from the substrate. Said substrate contains, vol.%: sawdust 40; coconut soil 40; blue clay 5; wood ash 5; spores of fungi of genus Trichoderma 5; dolomite flour 5. Method further includes a step for preparing said moistened substrate by mixing its components and subsequent moistening.

EFFECT: sealing cracks and cavities of structures and articles made from concrete and artificial stone, both surface and lying inside the article, simplifying their processing.

2 cl, 8 dwg, 1 tbl