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Keywords: mound
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Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-341
... reaction forces from a rubble mound. In addition to this study, we conducted a field experiment to prove the flap-gate breakwater's basic performance. The paper also describes the results of this experiment. INTRODUCTION A flap-gate breakwater (hereafter called a flap-gate) for tsunami and storm surge...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-423
... tests (on a 1/100 scale prototype) were performed and the effectiveness of the countermeasures was evaluated based on the displacement of the caisson, mapping the seepage flow pattern within the mound and calculating the stable weight of the mound. Results obtained from this study verified...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-419
... ABSTRACT. In order to improve the stability of breakwater due to tsunami-induced overflow and seepage flow, it is effective that putting armor blocks on the harbor-side mound of breakwater. A hydraulic model experiment for the model of Kamaishi Bay breakwaters under tsunami condition...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-425
... which are obtained from investigation on hazard map creation by numerical simulations and tsunami measure examination. Furthermore, since a refuge mound made of soil is the one of long-life facilities, the development of a method which can evaluate the durability over scour of the mounds easily is also...
Proceedings Papers
Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-483
... collapse mechanism and 2) investigate the effect of countermeasure by placing the embankment over the breakwater foundation mound using rubble materials and filter units. The study found that the caisson failure was due to the scouring of rubble mound and the seepage flow. Moreover, placing the embankment...
Proceedings Papers
Junji Miyamoto, Michio Miyake, Kazuhiro Tsurugasaki, Hiroko Sumida, Yutaka Sawada, Kenichi Maeda, Tatsuya Matsuda
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-411
... Abstract This paper discusses the experimental findings pertaining to the instability of breakwater foundation during huge tsunamis. A tsunami experiment system in a drum centrifuge was applied to reproducing the tsunami-induced seepage flow in the mound. The emphasis is placed on observations...
Proceedings Papers
Babloo Chaudhary, Hemanta Hazarika, Naoya Monji, Tadashi Hara, Kengo Nishimura, Ryohei Ishikura, Kiyonobu Kasama
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-811
... Abstract This paper proposes an effective reinforcing technique for foundation of a breakwater, which provides resiliency to the breakwater against earthquake and tsunami. The technique involves use of sheet piles and gabion mound in the foundation of the breakwater as a reinforcing measure...
Proceedings Papers
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-333
...; these blocks are among covering blocks on mounds of a breakwater inside a harbor, and it shows how force and falling moment work during disaster. (Fisheries Agency, 2014) drilling fluid management & disposal japan society flow speed breakwater disaster hydraulic model experiment experimental...
Proceedings Papers
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-410
... in the center, hosting rubble, to be placed behind the caisson. The rubbles in the hole are well interlocked with the lower rubble mound layer, and therefore effectively contribute to the sliding resistance of the caisson. A series of 3d experiment under irregular waves are carried out, testing different design...
Proceedings Papers
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-379
... in a wave flume. The long-period wave absorber which consists of wide-width rubble mound is also designed for the normal direction of incident waves (ex) Hiraishi et.al., 2009). However, the reflection coefficients on it are not clear for wind waves and swell. In addition, the wave reflection coefficients...
Proceedings Papers
Tetsuya Hiraishi, Hajime Mase, Tatsuya Kawata, Takaki Yukimoto, Tomoyuki Tokunaga, Hiroshi Matsushita
Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-118
... block method to increase the horizontal resistance of present breakwaters and to keep stability of them against an accidental wave force occurring in near future. climate change friction factor friction force rubble stone inner rubble normal flat armor block flat concrete block mound...
Proceedings Papers
Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-115
..., Japan ABSTRACT At a low crown caisson seawall with a large-size wave overtopping drainage, the pick-up of blocks on a caisson mound is one of the important issues in the design of seawall. Therefore, in this study, a simulation by the DEM-MPS hybrid model is carried out. In this model, fluid...
Proceedings Papers
Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-482
... Flaring Shaped Seawall has an excellent checking effect of the wave overtopping due to its deeply curved cross section. On the other hand, an impulsive breaking wave pressure tends to occur on its upper curved face depending on incident wave conditions as well as mound configurations...
Proceedings Papers
Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-489
... structures composed with various size materials, such as rubble mound structures, was proposed. A model test was carried out and then the validity of the model was discussed. INTRODUCTION In numerical analysis on deformation of submerged structures such as rubble mounds, cavern formation process in sandy...
Proceedings Papers
Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-013
.... california state land commission cslc pipeline platform california caisson leg operation shell mound power cable platform hazel abandonment main well deck heidi well deck conductor lift package us government chevron mound upstream oil & gas ABSTRACT Chevron Platforms Hazel, Hilda...
Proceedings Papers
Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-073
... in near-to-real time to a shore facility at the Stennis Space Center. artificial intelligence chemosynthetic community hydrate stability zone sea floor continuous basis gas hydrate sediment hydrophone accelerometer mound information deployment state university experiment sensor...
Proceedings Papers
Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-129
... different heights and lengths of seabed imperfection. These features can then be identified offshore following an out-ofstraightness survey. For simplicity when carrying out such a study it is usual to assume the presence of a single mound of perfect symmetrical geometry (but variable wavelength L 0...
Proceedings Papers
Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-099
... ABSTRACT Self-weight consolidation of a capped dredge disposal mound in Central Long Island Sound i s compared to periodic bathymmetric surveys. The properties of the dredged materials and the seabed were determined from a geotechnical characterization program conducted on samples obtained...
Proceedings Papers
Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-378
... difference technique has been employed for the solution. As an application, the established model is utilized to describe the highly interacted nonlinear wave-current field over a submerged mound of parabolic crosssection. The results show that the variation of the wave characteristics and the drop...
Proceedings Papers
Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-186
... composite breakwater vicinanza water level wallingford wave force mound takahashi goda wave load allsop caisson Proceedings of the Sixth (1996) -Internalional Of/shore and Pow Engineering Conference (1996) l.6s Angeles, USA May 26-31,1996 Copyright © 1996 by The International Society...
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