Adhesion Strength and Durability of Protective Coatings Made of Polymeric Composite Materials in Elements of Structures of Bridgeworks

The problem of ensuring the durability of structures of transport works made of concrete and reinforced concrete under conditions of their intensive destruction in the course of operation is considered. Results of the on-site inspections of bridgeworks are presented. The most common defects, reasons for their appearance influencing on the durability of urban automobile bridges are given. The impact of sand-salt mixes and other aggressive reagents, which reduce the durability of transport works, has been studied. As a solution, it is proposed to use protective coatings on the basis of polymeric composite materials on surfaces of concrete and reinforced concrete structures. Results of the study of adhesion strength and cyclic durability of concrete samples with protective coatings of various thicknesses on the basis of methods of mathematical planning of the experiment are presented.

B.A. BONDAREV, Doctor of Sciences (Engineering)
A.B. BONDAREV, Candidate of Sciences (Engineering)
P.V. BORKOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
R.Yu. SAPRYKIN, Engineer
V.A. ZHARIKOV, Engineer

Lipetsk State Technical University (30, Moscovskaya Street, 398600, Lipetsk, Russian Federation)

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