Seepage flow analysis on caisson-type breakwater reinforced with sheet piles by using the SPH method

Tetsuro Goda, Mitsuteru Asai

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

the understanding of the collapse mechanism of a caisson-type breakwater has been an urgent task to reduce the projected damages caused by next millennium tsunamis. A variety of research has been done to understand this phenomenon further. From the current observations, the seepage-induced piping phenomenon, which is caused by the bearing capacity degradation inside a mound, is determined as one of the main causes. With the aim of moderating the bearing capacity degradation, a design to reinforce a mound by utilizing sheet piles has been proposed. Although the effectiveness of sheet piles installation has been confirmed through some experimental tests, the optimized design to determine the dimension and position of the sheet piles has not been established yet. Numerical simulation, which can evaluate the effect of the installed sheet piles accurately, is desired to design durable and economical breakwaters. In this study, a 3D numerical simulation based on a particle method is implemented by considering sheet piles inside a mound, and its accuracy is discussed by comparing it with experimental tests.

本文言語英語
ホスト出版物のタイトルTechno-Ocean 2016
ホスト出版物のサブタイトルReturn to the Oceans
出版社Institute of Electrical and Electronics Engineers Inc.
ページ624-630
ページ数7
ISBN(電子版)9781509024452
DOI
出版ステータス出版済み - 3 30 2017
イベント16th Techno-Ocean, Techno-Ocean 2016 - Kobe, 日本
継続期間: 10 6 201610 8 2016

出版物シリーズ

名前Techno-Ocean 2016: Return to the Oceans

その他

その他16th Techno-Ocean, Techno-Ocean 2016
国/地域日本
CityKobe
Period10/6/1610/8/16

All Science Journal Classification (ASJC) codes

  • 海洋学
  • 水の科学と技術
  • エネルギー工学および電力技術
  • 海洋工学
  • 器械工学

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