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JDR Vol.6 No.1 pp. 119-131
(2011)
doi: 10.20965/jdr.2011.p0119

Paper:

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Study on Disaster Risk Assessment of Cultural Heritage and Road Network Improvement in Historical City

Yoongho Ahn*, Hiroshi Tsukaguchi**, Keiichi Ogawa**,
and Kota Tanaka***

*Global Centers of Excellence Program, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577, Japan

**Department of Civil Engineering, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577, Japan

***Nippon Express Co., 1-9-3 Higashi-shinbashi, Minato, Tokyo 105-8322, Japan

Received:
August 30, 2010
Accepted:
December 2, 2010
Published:
February 1, 2011
Creative Commons License
Keywords:
cultural heritage disaster mitigation, disaster risk assessment, road network management, network reliability
Abstract
In this study, disaster risk assessment is conducted from the viewpoint of cultural heritage disaster mitigation in historical cities to raise the capability of regional disaster mitigation in Kyoto. First, the routes connecting fire stations and cultural heritages are selected, and those which are frequently used are designated as important road sections. Next, the road passage rate at the time of disaster is calculated for each important road section. In earlier studies, a method was adopted to find the relationship between road width and the road blockage rate using the data of the Great Hanshin-Awaji Earthquake for calculation of road passage rate at the time of disaster. This study also takes the condition of buildings along the roads and the spread of fire into consideration; consequently, a more comprehensive method of calculating the road blockage rate is proposed. Lastly, vulnerable sections of road are identified based on the road passage rate calculated using the proposed method. A proposal for road network improvement to mitigate possible disaster is drafted, and the effectiveness of the proposal is examined through reliability analysis.
Cite this article as:
Y. Ahn, H. Tsukaguchi, K. Ogawa, and K. Tanaka, “Study on Disaster Risk Assessment of Cultural Heritage and Road Network Improvement in Historical City,” J. Disaster Res., Vol.6 No.1, pp. 119-131, 2011.
Data files:
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