Problems of Use of Penetrating Waterproofing

An issue of application of a dry mix of «penetrating waterproofing», which makes it possible to improve the density and water resistance of the wet concrete and mortar on the basis of Portland cement and its species in construction, is considered. However, there are some factors which ambiguously influence on the final state of the concrete stone. When applying the «penetrating waterproofing», improving the water resistance is achieved due to changing the structure of concrete, reducing its porosity, but the solubility of components of the cement stone does not change. Therefore, in the course of subsequent operation an increase in water permeability at dissolving the components of cement stone is possible. The wide use of «penetrating water proofing» in the construction practice requires the development of methods for control over mass-exchange processes.

Yu.G. MESHCHERYAKOV, Doctor of Sciences (Engineering), Head of «Building Materials» Department
S.V. FEDOROV, Candidate of Sciences (Engineering), Head of Division, Center of competences in operational and supporting processes (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Saint-Petersburg Branch of Rosatom Central Institute for continuing education and training (4 A Aerodromnaya Street, 187348 St. Petersburg, Russian Federation)

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