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The main issue of the study is the modern ways to improve the bearing capacity of building structures. As one of these methods may be strengthening composite materials. Structural degradation of reinforced concrete structures is largely due to their composite base. The aim of the study is a systematic integrated approach to solving the problem of improving the reliability of structures through the use of composite materials. The main advantages and disadvantages of composites are considered. Their classification by type of reinforcing element is given. The main areas of application of composites in construction – in the composition of plastics, concrete, aluminum panels. Approbation of methodical provisions is carried out by calculation of a reinforced concrete plate (δ=0,3 m) in the program complex of the SCAD PC. The gain calculation was performed by the finite element method. The purpose of the calculation was to observe the stress-strain state of the plate before and after its strengthening, to check the correctness of the external composite reinforcement. The calculation results showed that in the case of composite reinforcement in the plate there is a decrease in vertical deformations (about 1.1%) and tensile stresses (1.5%). Conclusions: the results show the feasibility of using composite materials to improve the bearing capacity of building structures.

To the Issue of Strengthening the Monolithic Reinforced Concrete Slab with Carbon Canvases