Evaluating the role of risk assessment for road tunnel fire safety: A comparative review within the EU

Ntzeremes, Panagiotis; Kirytopoulos, Konstantinos

doi:10.1016/j.jtte.2018.10.008

Cited by 23 publications

(21 citation statements)

References 60 publications

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“…by using keywords such as 'risk analysis', 'road tunnels', 'hazardous materials' and 'dangerous goods', recovered a number of studies. These studies aimed at determining the factors contributing to accidents involving DG [18,19], proposing new approaches for the evaluation of acceptable risk in road tunnels [20,21], reviewing the existing methods for the risk assessment of road tunnels [1,2,5,22,23] and proposing extensions or modifications to existing risk assessment approaches [24][25][26]. Only one study was found regarding a non-European country's implementation issues with ADR in DG transportation [6].…”

Section: Literature Reviewmentioning

confidence: 99%

“…Based on the characteristics of each specific tunnel, one can select among a qualitative, a quantitative or a combination of qualitative and quantitative approach [13]. Based on the literature, it seems that the QRA approach has prevailed in the European area [1,2]. Nevertheless, factors which cannot be quantified ought to be taken into account [2].…”

Section: Literature Reviewmentioning

confidence: 99%

“…In Greece, due to the development of the modern national road network over the last decades, there has been a significant number of road tunnels constructed and they are critical infrastructure elements [1]. In fact, since 2004 the increase in length of road tunnels operating on the national road network increased by more than 200%-the greatest increase throughout Europe [2]. The road networks, as well as the road tunnels, are used for all kinds of transportation, including commercial transportation.…”

Section: Introductionmentioning

confidence: 99%

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Improving Risk Assessment for Transporting Dangerous Goods through European Road Tunnels: A Delphi Study

Kalogeraki

Antoniou

2021

Systems

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Managing the transportation of dangerous goods (DG) through road tunnels is of great importance since it is associated with a serious risk of accidents. The consequences of an accident involving DG, especially in the closed tunnel environment, might be more significant and even more catastrophic compared to the same accident occurring on an open road. This article presents the Greek experience regarding the application of quantitative risk assessment (QRA) methods for the transportation of DG through Greek road tunnels. The modified Delphi method, with the participation of nine experts, is employed to investigate the obstacles to successfully conforming with the mandatory European Union regulatory framework that applies to transport operations within the Trans-European road network. Recommendations are made to improve the applied QRA approach, to facilitate the cooperation between tunnel managers and emergency services, to communicate lessons learned and to enhance the training of risk assessors.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improving Risk Assessment for Transporting Dangerous Goods through European Road Tunnels: A Delphi Study

Kalogeraki

Antoniou

2021

Systems

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“…Ntzeremes and Kirytopoulos (2019), through a comparative review of the risk assessment methods, highlighted some problems regarding the risk acceptance criteria, the behavior of trapped‐users, and the response of the tunnel staff in activating the mechanical ventilation and/or traffic interruption. These factors play a key role in tunnel performance so the current deterministic approaches might lead to underestimating the real level of risk.…”

Section: Literature Reviewmentioning

confidence: 99%

Quantitative Risk Assessment on the Transport of Dangerous Goods Vehicles Through Unidirectional Road Tunnels: An Evaluation of the Risk of Transporting Hydrogen

Caliendo

Genovese

2020

Risk Analysis

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A quantitative risk analysis (QRA) concerning dangerous goods vehicles (DGVs), including also vehicles for the transport of liquid hydrogen (LH2TVs), running through unidirectional motorway tunnels was performed. An event tree was built, and a wide parametric analysis based on different geometric and traffic characteristics of tunnels was carried out. The effects of the annual average daily traffic (AADT) per lane, the tunnel length (L), the percentage both of heavy goods vehicles (HGVs) and DGVs (for a given 7% of LH2TVs) were investigated. The results in terms of social risk, as expressed by F/N curves and the expected value (EV), show an increased risk level with the presence of the hydrogen transported, and with certain F/N curves that might also lie above the acceptability limit. This means that additional safety measures should be implemented in order to reduce the risk level or that, alternatively, appropriate strategies of traffic control systems should be taken. A statistical modeling for developing a predictive method of the EV is also performed. The outcomes show that the regression coefficients have the signs expected. In particular, the EV increases with the tunnel length (L), the AADT, and the percentage both of HGVs and DGVs. However, the magnitude of estimated coefficients indicates that the expected value EV increases more with the traffic (AADT per lane, HVGs, or DGVs) than the tunnel length. The application of the approximate method might help the Tunnel Management Agencies (TMAs) in making quick decisions, at a preliminary stage, about temporarily allowing, forbidding or limiting the circulation of DGVs and/or LH2TVs through tunnels; and subsequently investigating in greater depth the potential hazards due to the transport of hydrogen in the worst cases individualized.

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“…In order to reduce the possible human damages in an earthquake in any city or region, it would be necessary to assess the performance of the transportation network in response to demands to provide relief to travels following an earthquake. One of the issues, which most cities in the world are facing, is natural disasters [1]. These disasters have already killed three million people during the last 25 years and have imposed $23 billion costs in financial damages.…”

Section: Introductionmentioning

confidence: 99%

Optimal Route Determination to provide Relief Following an Earthquake using the Traffic Density Ratio (Case Study: Isfahan's Fire Stations)

Almasi¹,

Khabiri²,

Tafti³

et al. 2021

Komunikácie

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Despite the very important role of primary arteries and transportation network in providing relief for regions affected by an earthquake and black spots, they have received less attention. Therefore, in the current study, at first, the status quo of the traffic black spots and safe regions was identified to predict the movement direction, evacuation of residents from their habitat and temporary residence using the region zoning. The trips were assigned to the network based on the trip distribution matrix and their relevant travel times both related to the crisis state. The results indicated that out of 94 traffic regions, located in the area under investigation, 7 regions were put in the very low risk or safe regions group and 10 traffic regions were put in a very high-risk group. Additionally, the results indicated that out of 794 links, located in the area under investigation, about 32 links will have a very undesirable status following an earthquake.

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Evaluating the role of risk assessment for road tunnel fire safety: A comparative review within the EU

Cited by 23 publications

References 60 publications

Improving Risk Assessment for Transporting Dangerous Goods through European Road Tunnels: A Delphi Study

Improving Risk Assessment for Transporting Dangerous Goods through European Road Tunnels: A Delphi Study

Quantitative Risk Assessment on the Transport of Dangerous Goods Vehicles Through Unidirectional Road Tunnels: An Evaluation of the Risk of Transporting Hydrogen

Optimal Route Determination to provide Relief Following an Earthquake using the Traffic Density Ratio (Case Study: Isfahan's Fire Stations)

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