Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
Online ISSN : 2185-4688
ISSN-L : 2185-4688
Annual Journal of Civil Engineering in the Ocean Vol.31
EXPERIMENTAL STUDY FOR EFFECT OF A COMBINED POSITION OF COASTAL FOREST AND EMBANKMENT ON TSUNAMI FLOW PATTERN AND TSUNAMI MITIGATION
Kosuke IIMURAHirokazu IKEDAShota UTSUMITakashi AOKI
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2015 Volume 71 Issue 2 Pages I_629-I_634

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Abstract
 For tsunami mitigation, suitable arrangement of multiple tsunami measure structures is very important. The objective of this study is to estimate effect of a combined position of coastal forest and embankment on tsunami flow pattern and tsunami mitigation by the hydraulic model experiment. The flow velocity behind model is mitigated, when the coastal forest is in the lower stream side of the coastal embankment. Moreover, the flow energy behind model is mitigated, when the distance of the coastal embankment and the coastal forest leaves, since the resistance force of the coastal forest becomes large.
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© 2015 Japan Society of Civil Engineers
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