{"id":11510,"date":"2020-10-01T16:21:28","date_gmt":"2020-10-01T14:21:28","guid":{"rendered":"https:\/\/www.ecoshape.org\/en\/?p=11510"},"modified":"2020-10-14T10:56:37","modified_gmt":"2020-10-14T08:56:37","slug":"trial-dike-of-dried-mud","status":"publish","type":"post","link":"https:\/\/www.ecoshape.org\/en\/trial-dike-of-dried-mud\/","title":{"rendered":"Trial dike of dried mud"},"content":{"rendered":"\n

How do we process clay from dried mud out of the Eems-Dollard into a real sea dike?<\/h2>\n\n\n\n

Under ideal circumstances, in recent weeks the Hunze en Aa\u2019s water board and EcoShape have constructed a 40-meter long trial dike in front of the sea dike at the Dollard. This trial dike was built with clay from the clay ripeners in which mud from the seaport canal of Delfzijl and the polder Breebaart was used. This material, clay ripened from salt dredging mud, has never before been used for dike improvement.<\/p>\n\n\n\n

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Trial dike from dried mud. Photo: Waterschap Hunze en Aa’s<\/figcaption><\/figure>\n\n\n\n

Apply locally available material<\/h2>\n\n\n\n

Researcher Wouter van der Star of EcoShape explains: ‘With the tests we want to scientifically demonstrate that the locally available material can be used to make a safe dike. Erik Jolink of water board Hunze en Aa’s adds: ‘We show that we can still build dikes with material that we find or extract locally and that (just) does not meet the formal clay requirements. We adapt the design to the characteristics of the local clay so that we can also build a safe dike with this material’. This is a natural gain, because the mud no longer floats in the Eems-Dollard estuary and because we have short transport distances.<\/p>\n\n\n