Priyambodho, Bambang Adhi and Yagi, Ryusei and Ishikawa, Shouma and Kidou, Ayane and Kure, Shuichi (2019) Relationship Between Flood Inundation Flow and Building Damage Due To Flood Disaster at Chikuma River in Nagano Prefecture in 2019. Jurnal, 76 (2). I_619-I_624.

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Abstract

A heavy rainfall caused by Typhoon No. 19 resulted in flood inundation at the Chikuma River in Nagano Prefecture Japan on October 13, 2019. In particular, severe flood inundation damages at Naganuma district along the Chikuma river were observed. In this paper, flood inundation situations and building damages in the district were focused and reported based on an on-site field survey and numerical simulations. From the results of analysis, it was found that highly damaged houses were concentrated along the two flow pathways in the inundation areas because of the local bathymetry and land surface roughness. Also, highly damaged houses were found in the zone where the maximum flood flow velocities are more than 2 m/s and inundation heights are more than 2 m. We concluded that the high resolution information would be required to represent the flow behavior and building damages near the river bank failor point.

Item Type:	Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	03-Fakultas Teknik 03-Fakultas Teknik > 22201-Jurusan Teknik Sipil
Depositing User:	Mr Bambang Adhi Priyambodho
Date Deposited:	29 Mar 2023 14:15
Last Modified:	29 Mar 2023 14:15
URI:	http://eprints.untirta.ac.id/id/eprint/22877

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