Has been adopted new method for determining the fluidity concrete with polymers. In the research were used three types of polymer: epoxy resin - at a rate of 10%; polyurethane - at a rate of 10% methylcellulose - at a rate of 0.6%. The experimental results showed that the same water/cement material behaves differently depending on the polymer used. Moreover, epoxy resin gives significant improvements in workability and strength. It was found that the polymer influence positively the mechanical properties and concrete workability. Were performed mycroscopical investigations on reinforced concrete structures
