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http://dx.doi.org/10.9720/kseg.2018.3.379

Development of an Index for the Risk Assessment of Walking Trail  

Kwak, Jae Hwan (Forest Engineering Research Institute, Forest Technology Division, National Forestry Cooperative Federation (NFCF))
Kim, Hong Gyun (Forest Engineering Research Institute, Forest Technology Division, National Forestry Cooperative Federation (NFCF))
Kim, Youl (Forest Engineering Research Institute, Forest Technology Division, National Forestry Cooperative Federation (NFCF))
Kim, Man-Il (Forest Engineering Research Institute, Forest Technology Division, National Forestry Cooperative Federation (NFCF))
Lee, Moon Se (Forest Engineering Research Institute, Forest Technology Division, National Forestry Cooperative Federation (NFCF))
Publication Information
The Journal of Engineering Geology / v.28, no.3, 2018 , pp. 379-395 More about this Journal
Abstract
A walking trail environment can be divided into the upper part of the trail, the trail itself, and the lower part of the trail. In this study, based on field investigations, we developed a risk index for trails by considering human/societal factors that affect each of these three trail environments. A checklist was developed for field investigations, and checklist items were scored through relative importance analysis. The relative weights of items were analyzed using the AHP (Analytic Hierarchy Process) technique, revealing that the upper environment of a trail is twice as important as the rest of the environment. The importance and score of items belonging to each environment were determined. We define the risk index as the sum of the item scores. Weights were added using data from existing investigations including landslides risk rating and designated risk steep slopes. The risk index has a maximum value of 200, and the maximum and minimum calculated scores of 335 risk sections were 159 and 64.2, respectively. As a result of comparative analysis between field observations and risk index calculations, most sections at relatively low risk had risk values less than 100, and sections with high risks or that had been the site of accident yielded scores that exceeded 140.
Keywords
trail; risk index; field investigation; relative weight; AHP;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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