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METHOD FOR ARRANGEMENT OF HIGH-STRENGTH CORROSION-RESISTANT FOR EFFICIENT PROTECTION OF STEEL PIPELINES OPERATED IN THE EXTREME NORTH

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Author(s): I. S. Surovtsev | Yu. M. Borisov | S. I. Matreninsky | R. I. Sapelkin

Journal: Scientific Herald of the Voronezh State University of Architecture and Civil Engineering
ISSN 2075-0811

Volume: 4;
Issue: 4;
Start page: 46;
Date: 2011;
Original page

Keywords: rubber concrete (RubCon) | metal pipe | Extreme North | stress-corrosion failure | protective coating | physico-mechanical properties

ABSTRACT
Problem statement. At present, the problem of main pipeline protection from corrosion is extremelyimportant. Principal gas-transport routes have the biggest length in the North areas whereclimatic and geotechnical conditions are adverse. Scientists of Voronezh State University of Architectureand Civil Engineering have developed new material, rubber concrete. This material isbased on liquid oligodienes and has unique set of operational characteristics. The material can beefficiently used as insulation material for metal pipe in the conditions of the Extreme North.Results. The method for arrangement of protective coating of metal pipe is developed on the basisof rubber concrete. The method is patented. Laboratory device which allows one to perform structuresformation of rubber mastic on the surface of metal pipe is constructed. Physicomechanicalproperties of rubber concrete as insulation material for steel pipes are determined.Conclusions. The results of experiments allow us to draw a conclusion on the expediency of the useof rubber concrete as a protection coating material for steel pipes operated in the Extreme North.
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