Estimation of Tsunami Force Acting on Rectangular Structures | Zendy

Koji Fujima | Zendy; Fauzie Achmad | Zendy; Yoshinori SHIGIHARA | Zendy; Norimi MIZUTANI | Zendy

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Estimation of Tsunami Force Acting on Rectangular Structures

Author(s) -

Koji Fujima,

Fauzie Achmad,

Yoshinori SHIGIHARA,

Norimi MIZUTANI

Publication year - 2009

Publication title -

journal of disaster research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.332

H-Index - 18

eISSN - 1883-8030

pISSN - 1881-2473

DOI - 10.20965/jdr.2009.p0404

Subject(s) - shore , geology , hydrostatic equilibrium , hydrostatic pressure , inertia , mechanics , envelope (radar) , tsunami wave , seismology , geotechnical engineering , physics , classical mechanics , engineering , oceanography , telecommunications , radar , quantum mechanics

Hydraulic experiments were conducted to estimate tsunami wave force acting on rectangular onshore structures. Used building models placed at several distances from a shoreline. Wave pressure was measured at points on exposed structures. Impact and standing-wave pressure at different points peaked at different moments in time, so tsunami force tended to be overestimated by integrating maximum wave-pressure distribution envelope. Measured total force was thus used to formulate tsunami force estimation equations. Hydrostatic formula was successful for structures near a shoreline, despite large scattering for structures far from a shoreline. Hydrodynamic formula was successful in all cases, although inertia was considerable for structures near a shoreline.

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