Polyurethane and foam polyurethane fluid injection materials not conceding foreign analogues and technology technology of restoration and strengthening the operability of concrete and reinforced concrete structures and buildings damaged by cracks were developed. Normative and technical documentation on the injection materials and technological processes was created. The diagnosticrestoring complex for implementing the above technologies was designed, installed and utilized at the construction sites. The equipment is designed and manufactured; the technology of the research and industrial production of "A" and "B" components of injecting polyurethane materials is designed and developed. The pilot-scale batch is manufactured. Technological processes of preparation and application of the "A" and "B" componentsof the injecting materials in industrial conditions are worked out and implemented.

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