Investigation Regarding Impact on Social Infrastructure Damage Due to Heavy Rainfall
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- MATSUBAYASHI Yuriko
- Faculty of Engineering Department of Civil and Environmental Engineering, Iwate University
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- WATANABE Kazuya
- Graduate School of Engineering and Resource Science Department of Civil and Environmental Engineering, Akita University
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- KAWAGOE Seiki
- Division of Environment System Management Faculty of Symbiotic Systems Science, Fukushima University
Bibliographic Information
- Other Title
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- 豪雨発生が社会基盤施設に及ぼした被害に関する研究
- ゴウウ ハッセイ ガ シャカイ キバン シセツ ニ オヨボシタ ヒガイ ニ カンスル ケンキュウ
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Abstract
The purpose of this study is to investigate the effects of heavy rainfall increased in recent years on the social infrastructure, and to make a proposal on strengthening design criteria for water management in the future. Damage surveys of the outflow of the railway embankment and river channel blockage by floodwood by Akita and Iwate heavy rainfall on August 9 , 2013 are carried out. The results of the surveys and analysis are as follows; (1) The damages of social infrastructure related to the shortage of cross-sectional area of river, and caused by combined factors consist of topography and land cover of the affected area and sediment, slope and vegetation of upstream area. (2)The cases resulted from lowness of river improvement rate and development priority of small rivers. (3)To reduce damage in the future, it is necessary to accumulate data of the complex factors around the infrastructure at the time of heavy rainfall and to develop the knowledge by analysis.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
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Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 70 (5), I_249-I_256, 2014
Japan Society of Civil Engineers
