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発表 Study on traffic restrictions due to slope disaster in Hokkaido

作成年度 2011年度
論文名 Study on traffic restrictions due to slope disaster in Hokkaido
論文名(和訳) 北海道における斜面災害に起因する通行規制に関する研究
論文副題
発表会 Korea-Japan Joint Symposium for Studies on Survey and Evaluation Technologies of Underground Environment
誌名(No./号数)
発表年月日 2011/11/08 ~ 2011/11/11
所属研究室/機関名 著者名(英名)
防災地質チーム大日向 昭彦(OBINATA Akihiko)
防災地質チーム伊東 佳彦(ITO Yosihiko)
防災地質チーム日下部 祐基(KUSAKABE Yuuki)
抄録
In order to enable the implementation of more effective measures relating to slope failure、 it is important to collect information on previous failures、 analyze their causes、 mechanisms、 frequency and other relevant data、 and predict the exact time and location of such incidents. The authors created a specific format for collapse records based on the list of questions used to collect data on previous slope disasters (including minor incidents) along national highways in Hokkaido、 and also gathered records relating to traffic restrictions on national highways in the region. Analysis of the circumstances surrounding slope disasters and the relationship between terrestrial/meteorological phenomena and traffic restrictions based on the records collected is expected to produce findings that will be useful in reviewing roadside slope inspection procedures and prevention measures、 as well as in imposing rational traffic restrictions. Based on analysis of records collected up to 2010、 this study outlines the relationship between the number of times traffic restrictions were implemented in relation to expected slope disasters and the number of times disasters actually occurred.
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