[Concrete treatment with the use of film for repair and reconstruction of concrete and reinforced concrete structural elements of melioration constructions]
2007
Dubyago, D.S., Belarus State Academy of Agriculture, Gorki (Belarus) | Osnovin, V.N., Belarus State Agrarian Technical Univ., Minsk (Belarus)
The analysis of hydraulic engineering constructions on meliorative systems testifies to necessity of carrying out of significant amounts of works on repair and restoration of constructive concrete and reinforced concrete elements for not admit of progressing destruction, failure of all reclaimed system as a whole. Manufacture of repair-restoration works has the specificity - remoteness of the small volume of concrete works dispersed on the big territory with use of hydraulic engineering concrete various: marks and structures. A polymeric composition Glue universal Bustilat-M and its water solutions ambiguously influence on hydraulic engineering concrete. It is established, that the polymeric composition and water solutions on its basis does not render negative influence on concrete after achievement of critical durability. If hydraulic engineering concrete by the moment of interaction with a polymeric composition or a polymeric solution reaches critical durability of concrete will increase due to formation for surfaces of a polymeric film, and in a superficial layer – concrete-polymer. After drawing of polymeric composition Glue universal Bustilat-M or its water solutions on a surface of hydraulic engineering concrete the polymeric film formed on a surface and concrete-polymer in a superficial layer is moisture and fallow penetrable. At use for glueing a polyethylene film of a polymeric solution on the basis of a polymeric composition Glue universal Bustilat-M of 37,4-24,9% concentration are achieved the maximal values of force of adhesion and coupling
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