A study on uplift pressures of tsunami acting on ceilings of water channels

Tomoyuki Takabatake, Yukinobu Oda, Kazunori Ito, Takahide Honda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

When tsunami enters a water channel of an industrial facility, the water surface inside the channel rises and uplift pressures act on the ceiling if it is reached by the water surface. In this study, magnitudes and characteristics of this uplift pressure are investigated both experimentally and numerically. The results show that (1) the uplift pressure comprises an initial impulsive pressure and a following more slowly varying pressure; (2) trapped air reduces the impulsive pressure, and thus attaching a vertical barrier to the ceiling could act as a countermeasure; and (3) the impulsive pressure can be evaluated approximately with conventional predictive methods and by appropriate numerical simulations.

Original languageEnglish
Title of host publicationProceedings of the 35th International Conference on Coastal Engineering, ICCE 2016
PublisherAmerican Society of Civil Engineers (ASCE)
Volume35
ISBN (Electronic)9780989661133
Publication statusPublished - 2016 Jan 1
Event35th International Conference on Coastal Engineering, ICCE 2016 - Antalya, Turkey
Duration: 2016 Nov 172016 Nov 20

Other

Other35th International Conference on Coastal Engineering, ICCE 2016
CountryTurkey
CityAntalya
Period16/11/1716/11/20

Keywords

  • Impulsive pressure
  • OpenFOAM
  • Tsunami
  • Uplift pressure
  • Water intake/outfall

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

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  • Cite this

    Takabatake, T., Oda, Y., Ito, K., & Honda, T. (2016). A study on uplift pressures of tsunami acting on ceilings of water channels. In Proceedings of the 35th International Conference on Coastal Engineering, ICCE 2016 (Vol. 35). American Society of Civil Engineers (ASCE).