Materials Science

, Volume 49, Issue 1, pp 1–12 | Cite as

Improvement of the Serviceability of Damaged Concrete and Reinforced-Concrete Structures by Sealing Hardening Injections


We consider main approaches to the analysis of the engineering state of concrete and reinforced-concrete structures with in-service defects and evaluate the efficiency of improvement of their serviceability by injection technologies. We compute the parameters of these technologies and propose numerous injection composite materials with high technological characteristics based on polyurethane and polyepoxide. The efficiency of these materials is confirmed by the results of testing of laboratory specimens with filled stress concentrators. Additional possibilities of corrosion protection of uncoated steel reinforcement by adding corrosion inhibitors to the injection compositions are discovered and the technological features of hardening of damaged structures by filling detected defects are revealed.


concrete reinforced concrete crack strength recovery injection material inhibitor protection technology of hardening 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.“Tekhnoresurs Engineering Center” State Enterprise, Ukrainian National Academy of SciencesLvivUkraine

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