Wide Green Dike (WGD) concept for grass revetment under coastal conditions
The Dike along the Dollard estuary in the northeast of the Netherlands has a grass cover. This revetment is not sufficiently strong for the local hydraulic conditions. Traditional dike strengthening leads to the replacement of grass with a hard revetment. An alternative under investigation is the “W...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2022-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2022/13/e3sconf_cigb2022_01008.pdf |
| _version_ | 1811340601391579136 |
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| author | Kampen Maurits Maris Henrike Peters Martijn Steenbergen-Kajabová Jana van Zuylen Jos Jolink Erik van Norel Henk |
| author_facet | Kampen Maurits Maris Henrike Peters Martijn Steenbergen-Kajabová Jana van Zuylen Jos Jolink Erik van Norel Henk |
| author_sort | Kampen Maurits |
| collection | DOAJ |
| description | The Dike along the Dollard estuary in the northeast of the Netherlands has a grass cover. This revetment is not sufficiently strong for the local hydraulic conditions. Traditional dike strengthening leads to the replacement of grass with a hard revetment. An alternative under investigation is the “Wide Green Dike” (WGD) concept: a grass-covered dike with a gentle slope of around 1:7, naturally merging into the salt marsh located in front. The WGD concept is easily adaptable to future challenges, such as sea level rise. Furthermore, sediment of the estuary is currently being ripened to clay near the dike, potentially saving numerous truck movements needed for strengthening. The WGD is therefore the example of a circular, innovative and sustainable concept. However, the WGD needs to comply with the national flood safety standards to make it a feasible alternative, while the current assessment methods and instruments are not yet suited for this particular type of dike. During normative conditions, the grass cover is allowed to fail and the underlaying clay experiences erosion. A clay erosion model is used to design the thickness of the clay layer and proof that the WGD has sufficient residual strength to meet the norms of flood risk. |
| first_indexed | 2024-04-13T18:44:24Z |
| format | Article |
| id | doaj.art-58af95e4468249a29239cb4b86e4afa5 |
| institution | Directory Open Access Journal |
| issn | 2267-1242 |
| language | English |
| last_indexed | 2024-04-13T18:44:24Z |
| publishDate | 2022-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj.art-58af95e4468249a29239cb4b86e4afa52022-12-22T02:34:38ZengEDP SciencesE3S Web of Conferences2267-12422022-01-013460100810.1051/e3sconf/202234601008e3sconf_cigb2022_01008Wide Green Dike (WGD) concept for grass revetment under coastal conditionsKampen Maurits0Maris Henrike1Peters Martijn2Steenbergen-Kajabová Jana3van Zuylen Jos4Jolink Erik5van Norel Henk6Sweco Nederland B.V.Sweco Nederland B.V.Sweco Nederland B.V.Sweco Nederland B.V.Sweco Nederland B.V.Waterschap Hunze en Aa’sWaterschap Hunze en Aa’sThe Dike along the Dollard estuary in the northeast of the Netherlands has a grass cover. This revetment is not sufficiently strong for the local hydraulic conditions. Traditional dike strengthening leads to the replacement of grass with a hard revetment. An alternative under investigation is the “Wide Green Dike” (WGD) concept: a grass-covered dike with a gentle slope of around 1:7, naturally merging into the salt marsh located in front. The WGD concept is easily adaptable to future challenges, such as sea level rise. Furthermore, sediment of the estuary is currently being ripened to clay near the dike, potentially saving numerous truck movements needed for strengthening. The WGD is therefore the example of a circular, innovative and sustainable concept. However, the WGD needs to comply with the national flood safety standards to make it a feasible alternative, while the current assessment methods and instruments are not yet suited for this particular type of dike. During normative conditions, the grass cover is allowed to fail and the underlaying clay experiences erosion. A clay erosion model is used to design the thickness of the clay layer and proof that the WGD has sufficient residual strength to meet the norms of flood risk.https://www.e3s-conferences.org/articles/e3sconf/pdf/2022/13/e3sconf_cigb2022_01008.pdf |
| spellingShingle | Kampen Maurits Maris Henrike Peters Martijn Steenbergen-Kajabová Jana van Zuylen Jos Jolink Erik van Norel Henk Wide Green Dike (WGD) concept for grass revetment under coastal conditions E3S Web of Conferences |
| title | Wide Green Dike (WGD) concept for grass revetment under coastal conditions |
| title_full | Wide Green Dike (WGD) concept for grass revetment under coastal conditions |
| title_fullStr | Wide Green Dike (WGD) concept for grass revetment under coastal conditions |
| title_full_unstemmed | Wide Green Dike (WGD) concept for grass revetment under coastal conditions |
| title_short | Wide Green Dike (WGD) concept for grass revetment under coastal conditions |
| title_sort | wide green dike wgd concept for grass revetment under coastal conditions |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2022/13/e3sconf_cigb2022_01008.pdf |
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