Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan

H. Hashimoto, K. Park

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Two flood events, which were due to short-time heavy rainstorms, hit the downtown of Fukuoka City in Japan in 1999 and 2003. The Mikasa River in this city overflowed its banks, and then the overflowing water moved down the roads to the railroad station, called 'Hakata-eki'. This area is a dense downtown with many office buildings and underground spaces utilized for restaurants, parking garages, shopping malls and a subway station. The flooding water inundated the basements of many buildings and the other underground spaces. The purpose of the present study is to develop an inundation risk assessment method for underground spaces. Firstly, two types of underground spaces near the 'Hakata-eki' railroad station can be distinguished; one is a small-scale underground space utilized for restaurants and parking garages, and the other is a large-scale underground space for a subway station and shopping malls. Secondly, the floodwater behaviour within the two types of underground spaces is simulated. Finally, on the basis of the simulation, a method for risk assessment of inundation of underground spaces due to a flood event is proposed.

Original languageEnglish
Title of host publicationFlood Recovery, Innovation and Response II, FRIAR 2010
PublisherWITPress
Pages143-153
Number of pages11
Volume133
ISBN (Print)9781845644444
DOIs
Publication statusPublished - Jan 1 2010

Fingerprint

risk assessment
parking
city
rainstorm
assessment method
flooding
road
water
station
river
simulation

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)

Cite this

Hashimoto, H., & Park, K. (2010). Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan. In Flood Recovery, Innovation and Response II, FRIAR 2010 (Vol. 133, pp. 143-153). WITPress. https://doi.org/10.2495/FRIAR100131

Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan. / Hashimoto, H.; Park, K.

Flood Recovery, Innovation and Response II, FRIAR 2010. Vol. 133 WITPress, 2010. p. 143-153.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hashimoto, H & Park, K 2010, Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan. in Flood Recovery, Innovation and Response II, FRIAR 2010. vol. 133, WITPress, pp. 143-153. https://doi.org/10.2495/FRIAR100131
Hashimoto H, Park K. Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan. In Flood Recovery, Innovation and Response II, FRIAR 2010. Vol. 133. WITPress. 2010. p. 143-153 https://doi.org/10.2495/FRIAR100131
Hashimoto, H. ; Park, K. / Inundation risk assessment of underground spaces in the downtown of Fukuoka City, Japan. Flood Recovery, Innovation and Response II, FRIAR 2010. Vol. 133 WITPress, 2010. pp. 143-153
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