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DOI: 10.15862/36SATS319 (https://doi.org/10.15862/36SATS319)
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Pestryakova E.A., Kharchenko I.Ya., Piskunov A.A., Kharchenko A.I., Beterbiev A.S.-E., Sonin A.N. Effective methods of elimination of water occurrences in the operation of underground facilities. Russian Journal of Transport Engineering. 2019; 6(3). Available at: https://t-s.today/PDF/36SATS319.pdf (in Russian). DOI: 10.15862/36SATS319
Effective methods of elimination of water occurrences in the operation of underground facilities
Pestryakova Ekaterina Alekseevna
Russian university of transport, Moscow, Russia
E-mail: Kate.pestriakova@gmail.com
Kharchenko Igor Yakovlevich
National research Moscow state university of civil engineering, Moscow, Russia
Piskunov Aleksandr Alekseevich
Russian university of transport, Moscow, Russia
Kharchenko Alexey Igorevich
National research Moscow state university of civil engineering, Moscow, Russia
Beterbiev Adam Said-Emievich
National research Moscow state university of civil engineering, Moscow, Russia
Sonin Aleksandr Nikolaevich
Russian university of transport, Moscow, Russia
Abstract. For the execution of the works on the tunnel structures under water-saturated unstable soils of the nature plavannya, provided for their stabilization and strengthening with the use of chemical methods and technological equipment for 2-component jet grouting.
An important factor determining the effectiveness of mineral-based injection systems is their material homogeneity with concrete enclosing structures of tunnel structures, high strength and durability, low filtration coefficient, manifestation of the effect of self-healing cracks in concrete with a width of up to 1 mm. The main criterion of manufacturability of injection mixtures designed to eliminate water seepage in the tunnel and peritonealny structures, is a low viscosity and a high sedimentation stability, stored for up to 90 min controlled structure and kinetics of curing after injecting works, durability, thermo frost, frost-salt resistance the.Based on these conditions, as well as taking into account the variety of tasks associated with the elimination of water in underground structures, experts, our UNIVERSITY developed and mastered the injection of a mixture of mineral-based «SFC+», «Aqualiner-U», «United Aqualiner-MD», «Intracom». It should be noted that particularly finely dispersed binders «Intracom» was developed in the framework of the program of import substitution, as an alternative mineral binder «microdur the» widely used for making various injection systems mineral Foundation.
Keywords: underground; stress-strain state of soil; sedimentary deformation; method of compensation injection
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ISSN 2413-9807 (Online)
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