Technical Papers

Marine Structures Papers and Articles

Modeling Wave Conditions and Analysis for Coastal Design of Beach Restoration Incorporating Geotextile Tubes

Shore erosion is a serious problem that is present in many countries with coastal regions. These vulnerable coasts need to be protected to avoid beach retreat and property damage. Knowing how to design suitable coastal protection is important to help recover and stabilize a beach. This paper will present the wave modeling and analysis to design and evaluate performance of structures incorporating geotextile tubes in protecting and stabilizing a 500 meter stretch of Caribbean beach resort.
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Geotextile Tubes as a Replacement for a Rockfill for the Polder Dyke in Saemangeum, South Korea

The 33.9 km long Saemangeum Sea Dike in South Korea links Gunsan in the north to Buan in the south. The polder dyke serves as a land reclamation dyke during the construction period and as a flood protection dyke for the longer term. The polder dyke consist of a sandfill core with a rock revetment for erosion protection on both sides of the dyke. As an alternative to the original design, geotextile tubes were used to replace the rockfill berms for the construction of the polder dyke. More the 26 km of TenCate Geotube® systems were applied in this project.
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Sand Encapsulated Units for Beach Protection

In the south of France, a project has been executed with the use of sand encapsulated units, also known as TenCate Geotube® systems. Sand encapsulated units include Geotube, Geobag and Geocontainer units. These products are made of synthetic materials that contain sand or other locally available materials. These units reduce wave action on the beach and prevent beach erosion.  These cost-effective solutions provide an aestheically pleasing alternative to traditional hard rock structures. 
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TenCate Geotube® - Material photo