Abstract
Pandanus odoratissimus grown on sandy beach is considered as effective tree species providing tsunami mitigation due to its density and complex aerial root structure, but it is not strong enough to preclude the risk of breaking by action of high tsunami. In the present paper, the bending moment acting at a critical position (top of aerial root) of mature P. odoratissimus around edge of coastal forest has been investigated by numerical simulations. The bending moment is greatly influenced by forest condition (forest width and tree density) as well as tsunami conditions (period and height) and was formulated in the non-dimensional form for three representative points including the front corner of forest. The bending moment calculated by the curve-fit formula agrees with the simulated bending moment within 10% error.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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