An experimental procedure for flexible hoses based on plasticised PVC reinforced with a rigid PVC spiral
https://doi.org/10.21285/2227-2917-2021-2-232-241
Abstract
In this work, we develop laboratory techniques for evaluating service properties of flexible polymer hoses. The main parameters limiting the application of flexible polymer hoses are lowtemperature flexibility and kink resistance at positive temperatures. To study the flexibility of hoses at low temperatures, a setup measuring deformability of a hose under cantilever loading was built. Cooling of hoses was carried out in a special refrigerating chamber. A standard three-point loading configuration was used to measure the hose kink resistance on an Instron 5980 testing machine. The measurements were performed at a temperature of 20°C. Flexibility measurements performed on polymer hoses at negative temperatures showed that hoses from plasticised PVC remain flexible at –30°C. Kink resistance depends on the pitch of spiral reinforcement and the wall thickness of the hose. Thus, two laboratory procedures for measuring the flexibility and kink resistance of PVC hoses were tested. It was shown that these techniques are capable of predicting the service temperature range and physical and mechanical characteristics of commercial polymer flexible hoses.
About the Authors
V. V. AlekseenkoRussian Federation
Viktor V. Alekseenko, Dr. Sci. (Chem.), Professor of the Department of Construction Production
83 Lermontov St., Irkutsk 664074
K. M. Suhanova
Russian Federation
Ksenia M. Sukhanova, Undergraduate student
83 Lermontov St., Irkutsk 664074
A. N. Shestakov
Russian Federation
Alexandr N. Shestakov, Undergraduate student
83 Lermontov St., Irkutsk 664074
V. P. Yashchenko
Russian Federation
Vladimir P. Yashchenko, Cand. Sci (Eng.), Associate Professor of the Department of Mechanics and Strength of Materials
83 Lermontov St., Irkutsk 664074
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Review
For citations:
Alekseenko V.V., Suhanova K.M., Shestakov A.N., Yashchenko V.P. An experimental procedure for flexible hoses based on plasticised PVC reinforced with a rigid PVC spiral. Izvestiya vuzov. Investitsii. Stroitelstvo. Nedvizhimost. 2021;11(2):232-241. (In Russ.) https://doi.org/10.21285/2227-2917-2021-2-232-241