Testing of metal waterstops for waterproofing tack welds
https://doi.org/10.21285/2227-2917-2023-2-227-238
Abstract
The existing information on the study and application of tack weld metal waterstops in Russian construction practice is limited. The authors of the present paper investigate the operation and effectiveness of metal waterstops designed for waterproofing tack welds. An experimental study of metal waterstops made of zinc-coated sheets and installed in a factory-fabricated capacitive monolithic reinforced concrete structure was conducted. In order to provide different exposure conditions for a waterstop, a vessel structure was manufactured with two split-level tack welds on its perimeter. As a result of filling the vessel with water and monitoring the waterstops through special cavities, it was determined that the waterstops mounted with epoxy glue did not provide sufficient sealing, unlike those mounted with a silicone sealant. In addition, some technological advantages and disadvantages of metal waterstops were experimentally revealed. The disadvantages included a relatively high labor intensity of their installation, in particular, joining the elements along the length. The main technological advantage consisted in the inherent rigidity of the product. Further research should investigate the chemical behavior of the waterstop metal in the concrete body. To this end, the steel behavior under increased water pressure and the influence of the waterstop geometry and the chemical activity of the "structural concrete – waterstop metal" complex on the value of the hydrostatic pressure resistance limit should be elucidated.
About the Authors
A. V. Vasilev
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Competing Interests:
Russian Federation
Alexander V. Vasilev - Assistant of the Department of Industrial and Civil Engineering and Estate Expertise.
17 Mira St., Ekaterinburg 620002
Competing Interests:
The authors declare no conflict of interests regarding the publication of this article
V. A. Savvateev
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Competing Interests:
Russian Federation
Vitalii A. Savvateev - Master's,
17 Mira St., Ekaterinburg 620002
Competing Interests:
The authors declare no conflict of interests regarding the publication of this article
N. I. Fomin
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Competing Interests:
Russian Federation
Nikita I. Fomin - Cand. Sci (Eng.), Head of the Department of Industrial and Civil Engineering and Estate Expertise.
17 Mira St., Ekaterinburg 620002
Competing Interests:
The authors declare no conflict of interests regarding the publication of this article
V. V. Antipin
LLC ʺLSR. Construction-Uralʺ
Russian Federation
Competing Interests:
Russian Federation
Vladimir V. Antipin - Chief Engineer.
40th anniversary of Komsomol St., 34 Yekaterinburg 620072
Competing Interests:
The authors declare no conflict of interests regarding the publication of this article
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Review
For citations:
Vasilev A.V., Savvateev V.A., Fomin N.I., Antipin V.V. Testing of metal waterstops for waterproofing tack welds. Izvestiya vuzov. Investitsii. Stroitelstvo. Nedvizhimost. 2023;13(2):227-238. (In Russ.) https://doi.org/10.21285/2227-2917-2023-2-227-238
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