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Apr 26, 2012
A Simulation of Deformation of Rubble Structures based on the Stochastic and Dynamic Theory
Authors: Kazunori Itoh, Yuichi Higuchi, Takao Toue, and Hidehiro KatsuiAuthor Affiliations
Publication: Coastal Structures 2003
Abstract
In order to construct an economical and reasonable structure, design methods, which can take economical efficiency into consideration, is necessary. The performance based design that specifies the performance of a structure is one of the economical design methods. An economical design would be established by allowing deformation of a structure within limits which satisfy the performance demanded. Therefore, the deformation of a structure should be estimated quantitatively. A probability which the deformation occurs should be evaluated, too. Conventionally, this is done by hydraulic model tests. The model tests, however, have scale effects, and they might be expensive. Accordingly, the development of the numerical computation method for the deformation is useful for the performance based design. One of coastal and maritime structures with the higher applicability for the performance based design might be a rubble mound structures, such as a sloping breakwater, an artificial leaf, or a rubble submerged breakwater. Two prediction methods of deformation for rubble mound structures were developed in this study. One is a deterministic method, and the other is a stochastic method. A deterministic method is consisted of fluid analysis and distinct element analysis. The stochastic method is an approximately method which expanded the deterministic method based on the reliability theory.
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© 2004 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Kazunori Itoh
Technology Center, Civil Engineering Research Institute, Coastal and Hydraulic Engineering Section, Taisei Corporation, 344-1, Nase-cho, Totsuka-ku, Yokohama 245-0051, JAPAN
Yuichi Higuchi
Technology Center, Civil Engineering Research Institute, Soil and Rock Engineering Section, Taisei Corporation, 344-1, Nase-cho, Totsuka-ku, Yokohama 245-0051, JAPAN
Takao Toue
Technology Center, Civil Engineering Research Institute, Coastal and Hydraulic Engineering Section, Taisei Corporation, 344-1, Nase-cho, Totsuka-ku, Yokohama 245-0051, JAPAN
Hidehiro Katsui
Technology Center, Civil Engineering Research Institute, Coastal and Hydraulic Engineering Section, Taisei Corporation, 344-1, Nase-cho, Totsuka-ku, Yokohama 245-0051, JAPAN
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