The emergency venting of gaseous deflagration is widely used to prevent severe consequences of a confined explosion. Processes of vented deflagrations have been studied extensively and experimental data has been analysed. It is determined that venting starts after a safety construction is destroyed and the area of expiration of gases is opened. In the protecting structures of buildings of explosive production it is necessary to establish protective designs. In the work, triplex panels are considered as protective designs. Process of opening and driving of the panel with release of the area for a depressurization is studied during explosion development. In the work, questions of influence of pressure of opening and speed of explosive combustion at pressure peak size are investigated. The criterion for determination of efficiency of opening of panels is injected.
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