This standard applies to geosynthetic bentonite rolled materials for waterproofing (hereinafter referred to as clay mats), used for waterproofing tunnels, foundations and underground parts of buildings and structures, installation of impervious screens during the construction of facilities for the disposal of municipal, industrial, radioactive waste and their reclamation, installation of impervious earthen screens embankments of roads and railways, oil and gas production and processing industry facilities, agricultural facilities, installation of anti-filtration curtains for hydraulic structures. This standard establishes classification and technical requirements for manufacturing, safety, acceptance rules, test methods, transportation and storage. This standard can be used in the development of standards and technical specifications for specific types of products
GOST R 70090-2022 history
2022GOST R 70090-2022 Geosynthetic bentonite roll waterproofing materials. General specifications