ROckfall risk MAnagement assessment: the RO.MA. approach

The analysis of risk for vehicles and drivers as a result of rockfall on a road is relevant to design management in geotechnical engineering. This process is very complex due to the large number of parameters involved. In this paper, we discuss risk analysis and management procedures for roads subje...

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Bibliographic Details
Published inNatural hazards (Dordrecht) Vol. 62; no. 3; pp. 1109 - 1123
Main Authors Mignelli, Claudia, Lo Russo, Stefano, Peila, Daniele
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.07.2012
Springer
Springer Nature B.V
Subjects
Acceptability
Civil Engineering
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Engineering
Engineering and environment geology. Geothermics
Environmental Management
Environmental policy
Exact sciences and technology
Geology
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Italy
Landslides & mudslides
Management
Natural Hazards
Natural hazards: prediction, damages, etc
Natural resources
Original Paper
Risk
Risk analysis
Risk assessment
Risk management
Risk reduction
Roads
Roads & highways
Rockfall
Thresholds
Traffic accidents & safety
Trees
Southern Europe
Italy
Europe
Event tree
Landslide
Road management
Risk assessment
RO.MA. approach
Rockfall
risk assessment
roads
trees
RO.MA
approach
rockfalls
management
safety
landslides
valleys
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Summary:The analysis of risk for vehicles and drivers as a result of rockfall on a road is relevant to design management in geotechnical engineering. This process is very complex due to the large number of parameters involved. In this paper, we discuss risk analysis and management procedures for roads subject to rockfall phenomena. To this aims, we are proposing a quantitative method (the RO.MA. approach). We developed an abacus to define the threshold values of acceptable rockfall risk for a given road. Rockfall risk is calculated using an Event Tree approach and compared with the abacus thresholds to evaluate road safety and the need for additional protective measures to reduce the risk to an acceptable level. The approach was successfully applied at a test site located in Bard, Aosta Valley, north-western Italy.
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ISSN:0921-030X
1573-0840
DOI:10.1007/s11069-012-0137-1