이중전단정규분포의 적용을 통한 케이슨 방파제 기대활동량 평가의 향상
Improved Estimation for Expected Sliding Distance of Caisson Breakwaters be Employment of a Doubly-Truncated Normal Distribution
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초록
본연구는기대활동량을이용하는케이슨방파제의신뢰성설계법(레벨 III)에대한연구로서, 기대활동량의향상된평가를위해지금까지이용되어온정규(가우스)분포대신이중절단정규분포의사용을제안하고자하며, 이에대한타당성을제시하고자한다. 따라서본연구에서는확률적개념에근거한기대활동량의계산과정에서 Monte-Carlo 모의기법을통한불확정요소들의영향을반영하는방법에대한설명과함께이중절단정규분포가적용되어야만하는명확한근거가제시되며, 또한기대활동량평가시의이중절단정규분포의적용방법에대한자세한설명이주어진다. 본논문에서는케이슨방파제만을대상으로이중절단정규분포를적용하고있으나, 이중절단정규분포의적용은다양한해안구조물및타공학분야에도적극활용될수있으므로향후적극적인활용이기대된다.
Abstract
The present study is deply concerned with the reliability design method(Level III) for caisonbreakwaters using expected sliding distance, and the objectives of this study are to propose the employment of aare made for consideration of effects of uncertain factors, and a clear basis that the doubly-truncated normaldistribution should be employed in the computation proces of expected sliding distance by Monte-Carlosimulation is presented with introduction of the employment method. Even though only caisson breakwaters aretreated in this paper, the employment of doubly-truncated normal distribution can be applied to various coastalstructures as well as other enginering fields, and therefore it is expected that the present study will be extendedin various fields.
참고문헌 (5)
- "A reliability design method ofcaisson breakwaters with optimal wave heights", 42(4), pp.357~487 (2000)
- "Extreme wave statistics for reliability-baseddesign of caisson breakwaters workshop onAdvanced Design of Maritime Structures in the 21st century", pp.1~13 (2001)
- "Performance ofcomposite breakwaters from the view point of expectedsliding distance of caisson Investigation and Design Office of the Second Port Construction", pp.283~294 (2003)
- "Ministry of Transport Uneveness ontop surface of rubble mound" (1986)
- "Study on reliability design method of compositebreakwaters using the expected sliding distance" (1999)