Risk-Based Approach – Domino Effect and Escalation Triggered by Explosions

This paper proposes a risk-based approach for identifying process equipment impacted by explosions with potential for escalation. The procedure is based on: (1) taking advantage of efforts conducted during the development of a risk-based quantitative assessment, (2) combination of exceedance curve with elasto-plastic Single Degree Of Freedom (SDOF) and pressure-impulse diagrams. The main purpose is to estimate the equipment damage level; i.e., ductility ratio. Once the damage level is characterized, appropriate decision-making process for the equipment affected can be conducted. This paper includes pressure-impulse diagrams.

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