Revealing patterns of the effective mechanical characteristics of cellular sheet polycarbonate for explosion venting panels

Authors

  • Serhii Pozdieiev Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0002-9085-0513
  • Kostiantyn Myhalenko Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0002-7125-8442
  • Vitalii Nuianzin Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0003-4785-0814
  • Oleh Zemlianskyi Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0002-2728-6972
  • Tetiana Kostenko Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0001-9426-8320

DOI:

https://doi.org/10.15587/1729-4061.2020.192680

Keywords:

explosion venting panels, polycarbonate cellular sheet, effective mechanical characteristics, experimental-estimation method

Abstract

Explosive concentrations of various substances can accumulate inside industrial premises. In the presence of a sufficient amount of oxygen and an ignition source, such a situation could lead to explosion that may result in the destruction of building structures and the building in general. Strengthening the stability of supporting structures is aimed at protecting industrial premises against possible destruction by explosion indoors.

One of the effective ways to protect construction structures against the excessive pressure of explosion is to use explosion venting panels. In order to solve practical tasks on protecting industrial premises and structures against explosion, one must be able to choose both the area and parameters for explosion venting panels. In addition, in order to reduce the related loads to safe quantities, it is necessary to properly calculate the bearing structures in terms of dynamic stability while maintaining their carrying capacity. The set task to ensure protection against explosion by applying explosion venting panels with flexible elements can be solved through integrated accounting for mechanical properties of cellular polycarbonate sheets.

We have performed experimental research into performance of the inertia-free explosion venting panels with flexible enclosing elements exposed to dynamic loads under conditions of explosion. Based on the obtained results, the effective rigidity and critical displacement of cellular polycarbonate sheets of flexible elements have been determined. It has been established that for cellular polycarbonate sheets with a thickness of 4‒8 mm effective rigidity ranges within 301–215 N·m; the critical displacement of edges in this case is 2.9–9.8 mm.

A mathematical model has been proposed that takes into consideration the influence of geometric dimensions and the critical value of deflection in a polycarbonate sheet as the flexible element of fencing on the operational conditions for explosion venting panels

Author Biographies

Serhii Pozdieiev, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034

Doctor of Technical Sciences, Professor, Chief Researcher

Kostiantyn Myhalenko, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034

PhD, Associate Professor

Department of Automatic Safety Systems and Electrical Installations

Vitalii Nuianzin, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034

PhD

Department of Physico-Chemical Bases of Development and Extinguishing of Fires

Oleh Zemlianskyi, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034

PhD, Associate professor

Department of Automatic Safety Systems and Electrical Installations

Tetiana Kostenko, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienka str., 8, Cherkasy, Ukraine, 18034

Doctor of Technical Sciences, Professor

Department of Construction Objects Safety and Labor Protection

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Published

2020-02-29

How to Cite

Pozdieiev, S., Myhalenko, K., Nuianzin, V., Zemlianskyi, O., & Kostenko, T. (2020). Revealing patterns of the effective mechanical characteristics of cellular sheet polycarbonate for explosion venting panels. Eastern-European Journal of Enterprise Technologies, 1(1 (103), 32–39. https://doi.org/10.15587/1729-4061.2020.192680

Issue

Vol. 1 No. 1 (103) (2020): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2020 Serhii Pozdieiev, Kostiantyn Myhalenko, Vitalii Nuianzin, Oleh Zemlianskyi, Tetiana Kostenko

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