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j.oceaneng.2012.12.037.pdf1.33 MBAdobe PDF見る/開く
タイトル: Stability analysis of composite breakwater with wave-dissipating blocks considering increase in sea levels, surges and waves due to climate change
著者: Mase, Hajime  KAKEN_id
Tsujio, Daiki
Yasuda, Tomohiro  KAKEN_id
Mori, Nobuhito  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-9082-3235 (unconfirmed)
著者名の別形: 間瀬, 肇
キーワード: Composite breakwater
Wave-dissipating block
Breakwater stability analysis
Sea level rise
Surges and waves
Climate change
発行日: Oct-2013
出版者: Elsevier Ltd.
誌名: Ocean Engineering
巻: 71
開始ページ: 58
終了ページ: 65
抄録: Settlement of wave-dissipating blocks in front of caisson is caused by displacement and breakage of blocks directly by wave action and also by sliding of the caisson by wave force. The settlement of blocks, caisson sliding and wave pressure are mutually correlated. The present study has developed a stability analysis method for a composite breakwater with wave-dissipating blocks under the circumstances of climate change effect as seen in sea level rise and increase in storm surges and waves. It is found that the changes of expected caisson sliding distance and necessary caisson width, determined from the allowable excess probabilities for three prescribed sliding distances, against the weight of wave-dissipating block have a tendency to be maximum at certain block weight when repairing of damaged blocks is not done; on the other hand, if repairing is done every time after reaching 5% damage level of the total section, the changes of caisson sliding distance and necessary caisson width against the block weight show monotonous decrease. The effects of climate change on the sliding distance and necessary width are found to make those values larger by 10–60% than those calculated by constant external forces given from the present climate conditions.
著作権等: © 2012 Elsevier Ltd.
This is not the published version. Please cite only the published version.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/179536
DOI(出版社版): 10.1016/j.oceaneng.2012.12.037
出現コレクション:学術雑誌掲載論文等

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