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Tsunami Mitigation by Using a Shore-Parallel Canal and Coastal Embankment

Author(s): Hitoshi Tanaka

Linked Author(s): Hitoshi Tanaka

Keywords:

Abstract: The Great East Japan Earthquake and Tsunami of 2011 had caused huge damage to people and civil infrastructure around Japan. This large-scale disaster has been provided many valuable practical lessons regarding the huge consequences and potential impact of megaearthquake and megatsunamis. There have been many studies on the effects of construction solutions such as coastal embankment, breakwater, as well as non-structural solutions such as pine trees, mangrove forest, and coastal dunes for reducing tsunami energy when it spreads to coastal areas. But the fact that most of these solutions only make significant in the case of relatively smaller tsunami events; in terms of multiple defense against largest tsunamis, there is a need to combine multiple solutions together. The main objective of this lecture is to introduce the effectiveness of a shore-parallel canal together with coastal embankment structure on tsunami mitigation.

DOI:

Year: 2014

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