Tianming Ma , Jiajun Zou , Yuan He , Hong Zhao , Yanyu Chu , Dongyao Zhang , Chuyuan Huang
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引用次数: 0
Abstract
Damage to industrial equipment caused by earthquakes is a typical Natech accident. Earthquake damage may cause tank failures and trigger accidental releases of hazardous substances, even a series of fires and explosions, forming a natural hazard-induced domino chain (NHDC), which poses a serious threat to the processing industry. In this study, a whole-process quantitative risk assessment (QRA) methodology for earthquake-induced domino accident chains is proposed. In the framework of QRA, specific probit models are used to quantify the damage of earthquakes and to assess the probability of storage tank failure. Besides, pool fires following the leakage of the failed tanks were considered to be the consequence of the earthquake Natech accident. The Mudan thermal radiation model and the threshold model were used to identify the propagation paths of domino effects. Case studies were carried out to investigate the dynamic evolution of fire-related domino effects in different credible accident scenarios, including multiple initial accidents co-occurring. The results show that the combination of multiple initial accident scenarios takes less time to complete domino effect escalation of the overall scenario than a single initial accident scenario and will significantly increase the regional risk indices.
期刊介绍:
The International Journal of Disaster Risk Reduction (IJDRR) is the journal for researchers, policymakers and practitioners across diverse disciplines: earth sciences and their implications; environmental sciences; engineering; urban studies; geography; and the social sciences. IJDRR publishes fundamental and applied research, critical reviews, policy papers and case studies with a particular focus on multi-disciplinary research that aims to reduce the impact of natural, technological, social and intentional disasters. IJDRR stimulates exchange of ideas and knowledge transfer on disaster research, mitigation, adaptation, prevention and risk reduction at all geographical scales: local, national and international.
Key topics:-
-multifaceted disaster and cascading disasters
-the development of disaster risk reduction strategies and techniques
-discussion and development of effective warning and educational systems for risk management at all levels
-disasters associated with climate change
-vulnerability analysis and vulnerability trends
-emerging risks
-resilience against disasters.
The journal particularly encourages papers that approach risk from a multi-disciplinary perspective.