نتایج جستجو برای: qra
تعداد نتایج: 104 فیلتر نتایج به سال:
Work zones especially long-term work zones increase traffic conflicts and cause safety problems. Proper casualty risk assessment for a work zone is of importance for both traffic safety engineers and travelers. This paper develops a novel probabilistic quantitative risk assessment (QRA) model to evaluate the casualty risk combining frequency and consequence of all accident scenarios triggered b...
QRA-Grid: Quantitative Risk Analysis and Grid-based Pre-warning Model for Urban Natural Gas Pipeline
Quantitative risk assessment of continuous liquid spill fires based on spread and burning behaviours
Spill fires usually occur during the storage and transportation of hazardous materials, posing a threat to the people and environment in their immediate proximity. In this paper, a classical Quantitative Risk Assessment (QRA) method is used to assess the risk of spill fires. In this method, the maximum spread area and the steady burning area are introduced as parameters to clearly assess the ra...
The quantitative risk assessment (QRA) approach recommended by the Codex Alimentarius Commission was used to assess the risk of human salmonellosis from the consumption of 'cordon bleu', a specific turkey product, in collective catering establishments (CCEs) of a French department. The complete process was modeled and simulated, from the initial storage in the CCE freezer to the consumption, us...
Os eventos impactantes ao meio ambiente na indústria do petróleo não são raros. Tanto uma análise retrospectiva das ocorrências, quanto um gerenciamento de risco adequado essenciais para a mitigação, ou até mesmo erradicação, desses acontecimentos. O artigo apresenta variedade metodologias, técnicas e índices utilizados no risco, como FRAM, STAMP, QRA, HAZOP, FTA, ETA, APP, F&EI, CEI, SWeHI...
material shipments (10–14). Rerouting hazardous materials shipments with the objective of reducing risk is complex because of the many variables that interact to affect risk. Quantitative risk analysis (QRA) of hazardous material transportation dates to the 1970s. Although advances in methodology continue, QRA has matured to the point that it is an effective tool and has been used to inform dec...
Natural disasters may be powerful and prominent mechanisms of direct or indirect release of hazardous material (hazmat) (Young et al., 2004). If industrial sites are located in naturally hazardprone areas, technological accidents may be triggered by natural events, such as storms, earthquakes, flooding, and lightning, generating the so-called Na-Tech (Natural and Technological) events and may m...
Almost two-thirds of the Netherlands is exposed to the risk of flooding, making the provision of flood safety a vital yet costly affair. To be able to make better informed decisions about flood risk management, the Dutch Ministry of Infrastructure and the Environment, the Association of Regional Water Authorities and the Association of Provincial Authorities commissioned a study to gain insight...
21st Century Maritime Silk Road (MSR) is of significant importance for world freight transport. The ports along the MSR present a key element involved shipping networks to support connectivity MSR. Therefore, it crucial carry an effective safety assessment ensure robustness and sustainability growing However, traditional quantitative risk analysis approaches (QRA) used in face many challenges w...
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