Details
| Original language | English |
|---|---|
| Number of pages | 10 |
| Publication status | Published - 2016 |
| Event | 6th International Conference on the Application of Physical Modelling in Coastal and Port Engineering and Science - University of Ottawa, Ottawa, Canada Duration: 10 May 2016 → 13 May 2016 https://eventegg.com/coastlab-2016/ |
Conference
| Conference | 6th International Conference on the Application of Physical Modelling in Coastal and Port Engineering and Science |
|---|---|
| Abbreviated title | Coastlab16 |
| Country/Territory | Canada |
| City | Ottawa |
| Period | 10 May 2016 → 13 May 2016 |
| Internet address |
Abstract
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2016. Paper presented at 6th International Conference on the Application of Physical Modelling in Coastal and Port Engineering and Science, Ottawa, Ontario, Canada.
Research output: Contribution to conference › Paper › Research › peer review
}
TY - CONF
T1 - Stepped Revetments - Revisited
AU - Kerpen, Nils
AU - Schlurmann, Torsten
PY - 2016
Y1 - 2016
N2 - This paper summarizes and critically reflects present knowledge on stepped revetments implemented in coastal protection structures for more than 60 years. Published and unpublished results of experimental investigations on wave run-up, wave overtopping and wave loads on stepped revetments are being re-analyzed and persistent knowledge gaps addressed. Due to an increasing surface roughness stepped revetments reduce the wave run-up height. Magnitudes of reduction are primarily driven by the slope angle, the presence of a shore face and the steepness of the incoming waves. Less influential is the geometry/shape of the single step, eg with inclined step faces or round edges. Energy dissipation rates are inclined to be dependent on the relation of step height to wave height but the specific influence is unknown up to date in accordance with a lack of knowledge in the fully physical understanding about drivers and inherent processes on wave run-up, reflection and dissipation. Present experimental investigations analysed from literature undergo scale effects that have a significant influence on the results due to dominant air intrusion in the run-up process on stepped revetments.
AB - This paper summarizes and critically reflects present knowledge on stepped revetments implemented in coastal protection structures for more than 60 years. Published and unpublished results of experimental investigations on wave run-up, wave overtopping and wave loads on stepped revetments are being re-analyzed and persistent knowledge gaps addressed. Due to an increasing surface roughness stepped revetments reduce the wave run-up height. Magnitudes of reduction are primarily driven by the slope angle, the presence of a shore face and the steepness of the incoming waves. Less influential is the geometry/shape of the single step, eg with inclined step faces or round edges. Energy dissipation rates are inclined to be dependent on the relation of step height to wave height but the specific influence is unknown up to date in accordance with a lack of knowledge in the fully physical understanding about drivers and inherent processes on wave run-up, reflection and dissipation. Present experimental investigations analysed from literature undergo scale effects that have a significant influence on the results due to dominant air intrusion in the run-up process on stepped revetments.
U2 - 10.5281/zenodo.4028357
DO - 10.5281/zenodo.4028357
M3 - Paper
T2 - 6th International Conference on the Application of Physical Modelling in Coastal and Port Engineering and Science
Y2 - 10 May 2016 through 13 May 2016
ER -