Chapter
Jul 11, 2017
Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015
Estimation of the Impulsive Pressure Acting on an Upright Wall on a Steeply Sloping Sea Bottom
Authors: Kenichiro Shimosako [email protected], Shigeo Takahashi [email protected], Naoki Tsuruta [email protected], and Kojiro Suzuki [email protected]Author Affiliations
Publication: Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
ABSTRACT
Impulsive pressure acting on an upright wall is usually generated when the mound is relatively high, the berm width is suitably wide or the slope gradient is gentle. However, it is also liable to be generated when the bottom slope is steeper than about 1/30, and the Goda formula is not applicable to such cases. In the present study, several application methods for extended Goda formula, as well as the numerical simulation (CADMAS-SURF) were investigated to compare the experimental results of impulsive pressure generated on a steeply sloping sea bottom. The impulsive pressure on the steeply sloping sea bottom can be estimated extended Goda pressure formula regarding the slope in front of the wall as a foundation mound and using the breaking wave height. The impulsive pressure on the steeply sloping sea bottom also can be reproduced by the numerical simulation (CADMAS-SURF).
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REFERENCES
Goda, Y. (1974). “New Wave Pressure Formulae for Composite Breakwaters.” Proc. 14th International Coastal Engineering Conference, vol. 3, pp. 1702-1720.
Mitsuyasu, H. (1962). “Experimental study on wave force against a wall.” Report of Trans. Tech. Res. Inst. No.47.
Takahashi, S., Tanimoto, K. & and Shimosako, K. (1994). “A Proposal of Impulsive Pressure Coefficient for Design of Composite Breakwaters.” Proc. International Conference on Hydro-Technical Engineering for Port and Harbor Construction, Port and Harbour Research Institute, pp. 489-504.
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Published In
Coastal Structures and Solutions to Coastal Disasters 2015: Resilient Coastal Communities
Pages: 678 - 686
Editors: Louise Wallendorf, U.S. Naval Academy and Daniel T. Cox, Ph.D., Oregon State University
ISBN (Online): 978-0-7844-8030-4
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Jul 11, 2017
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Authors
Affiliations
Research Director, Port and Airport Research Institute, 3-1-1, Nagase, Yokosuka 239-0826 Japan. E-mail: [email protected]
President, Port and Airport Research Institute, 3-1-1 Nagase, Yokosuka 239-0826 Japan. E-mail: [email protected]
Researcher, Maritime Structures Group, Port and Airport Research Institute, 3-1-1, Nagase, Yokosuka 239-0826 Japan. E-mail: [email protected]
Head of Maritime Structures Group, Port and Airport Research Institute, 3-1-1, Nagase, Yokosuka 239-0826 Japan. E-mail: [email protected]
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