Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
Online ISSN : 2185-6648
ISSN-L : 2185-6648
Global Environment Engineering Research, Vol.25
STUDY ON FLOOD HYETOGRAPH EXCEEDING AND AFFECT ON PUBLIC SHELTERS IN TOYAMA CITY
Masashi SHIMOSAKAShigehiko ODATaichi TEBAKARI
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2017 Volume 73 Issue 5 Pages I_149-I_155

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Abstract
 This study proposed a new methodology of largest scale hydrographs using the following three cases; 1) historical recorded daily rainfall of JMA, 2) Niigata-Fukushima heavy rainfall disaster in 2011, 3) ex-isting design rainfall. Those rainfall data were multiplied each catchment area of upstream.
 Above mentioned three hydrograph as boundary condition, the Jinzu and Joganji Rivers were assumed to overflow at the same time, 2-D unsteady flow analysis was carried out. As a result of numerical simulations, Case 2 was calculated maximum flooding area, 15.3 % of city area. Moreover, maximum 13,944 people (4.3 % of city population) lost public shelters.
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© 2017 Japan Society of Civil Engineers
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