{"id":6402,"date":"2016-07-14T14:09:57","date_gmt":"2016-07-14T12:09:57","guid":{"rendered":"https:\/\/www.ecoshape.org\/en\/pilots\/hybrid-flood-defence-houtribdijk-sandy-foreshore-2\/"},"modified":"2021-01-28T17:53:06","modified_gmt":"2021-01-28T16:53:06","slug":"hybrid-flood-defence-houtribdijk-sandy-foreshore-2","status":"publish","type":"pilot","link":"https:\/\/www.ecoshape.org\/en\/pilots\/hybrid-flood-defence-houtribdijk-sandy-foreshore-2\/","title":{"rendered":"Houtrib Dike Pilot Project"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-style-large is-layout-flow wp-block-quote-is-layout-flow\"><p>The traditional approach to dike reinforcement (a bigger dike) is usually the first option that comes to mind when a dike is no longer fit for purpose, even though there may be more attractive alternatives from several points of view.<\/p><\/blockquote>\n\n\n\n<p>A sandy foreshore consists of a large quantity of sand that is deposited in front of a dike. This body of sand attenuates the waves and therefore eliminates or reduces the impact of the waves on the dike, avoiding the need to strengthen the dike.<\/p>\n\n\n<div id=\"downloads-block_5edf7ca5896fb\" class=\"block-downloads-inner \">\n            <h2>Results<\/h2>\n    \n            <p>The pilot ran from 2014-2018. Download the overall summary and summaries per report below.<\/p>\n    \n                        \n            <div class=\"block-downloads-inner \">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Public-Summary-Houtrib-Dike-Sandy-Foreshore-Pilot-Project.pdf\">\n                    <h4 class=\"block-downloads-title\">Public-Summary-Houtrib-Dike-Sandy-Foreshore-Pilot-Project<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner \">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/General-final-report-FORESHORE-PILOT-PROJECT-FOR-HOUTRIB-DIKE.pdf\">\n                    <h4 class=\"block-downloads-title\">General final report<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Business-Case-Sandy-Foreshores-Houtrib-Dike-Pilot-Project.pdf\">\n                    <h4 class=\"block-downloads-title\">Business Case Sandy Foreshores<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Guidelines-for-the-design-and-assessment-of-dike-foreshore-systems-FORESHORE-PILOT-PROJECT-FOR-HOUTRIB-DIKE.pdf\">\n                    <h4 class=\"block-downloads-title\">Guidelines for the design and assessment of dike foreshore systems<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Guidelines-for-the-management-and-maintenance-of-sandy-foreshores-HOUTRIB-DIKE-PILOT-PROJECT.pdf\">\n                    <h4 class=\"block-downloads-title\">Guidelines for the management and maintenance of sandy foreshores<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Guidelines-for-construction-of-sandy-foreshores-FORESHORE-PILOT-PROJECT-FOR-HOUTRIB-DIKE.pdf\">\n                    <h4 class=\"block-downloads-title\">Guidelines for construction of sandy foreshores<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Permit-Guidelines-Sandy-Foreshores-Houtrib-Dike-pilot-project.pdf\">\n                    <h4 class=\"block-downloads-title\">Permit Guidelines Sandy Foreshores<\/h4>\n                    <div class=\"block-downloads-author\">\n                        EcoShape 2018                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                    \n                    <div class=\"block-downloads-inner\">\n                <a class=\"has-text-align-center block-downloads-link block-downloads-more\" href=\"#\">\n\n                    Show more downloads                <\/a>\n            <\/div>\n        \n    \n<\/div>\n<style type=\"text\/css\">\n    #downloads-block_5edf7ca5896fb .block-downloads-inner {\n        margin-bottom: 5px;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-hidden {\n        display: none;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-more,\n    #downloads-block_5edf7ca5896fb .block-downloads-link {\n        background-color: #F0F0F0;\n        margin-bottom: 1px;\n        transition: background .3s ease;\n        position: relative;\n        letter-spacing: 0.5px;\n        padding: 35px 50px 33px;\n        display: block;\n        text-decoration: none;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-more::before {\n        content: ' ';\n        background: url('data:image\/svg+xml;charset=UTF-8,<svg fill=\"LightBlue\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\"><path  d=\"M24 10h-10v-10h-4v10h-10v4h10v10h4v-10h10z\"\/><\/svg>');\n        margin-right: 6px;\n        width: 14px;\n        height: 14px;\n        display: inline-block;\n    }\n\n\n    #downloads-block_5edf7ca5896fb .block-downloads-action {\n        position: absolute;\n        left: 50px;\n        right: 0;\n        bottom: 27px;\n        font-weight: 900;\n        font-size: 18px;\n        color: #fff;\n        opacity: 0;\n        transition: opacity .15s ease,left .3s ease;\n        display: flex;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-icon {\n        margin-left: 0.5em;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-link:hover {\n        color: #fff;\n        background: #7FAFC8;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-link:hover .block-downloads-title {\n        color: #fff;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-link:hover .block-downloads-action {\n        opacity: 1;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-title {\n        transition: color .3s ease;\n        margin: 0 0 9px;\n        font-size: 20px;\n        color: #000;\n    }\n\n    #downloads-block_5edf7ca5896fb .block-downloads-author {\n        color: #7FAFC8;\n        font-size: 14px;\n        line-height: 1.5;\n    }\n<\/style>\n\n<script>\n    var el = document.querySelector(\"#downloads-block_5edf7ca5896fb .block-downloads-more\")\n\n    if(el !== null) {\n        el.addEventListener(\"click\", function(e) {\n            \/\/ Prevent default action\n            e.preventDefault();\n\n            \/\/ Show hidden blocks\n            document.querySelectorAll('#downloads-block_5edf7ca5896fb .block-downloads-hidden').forEach(block => {\n                block.classList.remove('block-downloads-hidden');\n            });\n\n            \/\/ Remove more button\n            document.querySelector(\"#downloads-block_5edf7ca5896fb .block-downloads-more\").remove();\n        });\n    }\n<\/script>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/hybrid-flood-defence-houtribdijk.jpg\" alt=\"Hybrid Flood Defence Houtribdijk\"\/><\/figure>\n\n\n\n<p>In many locations, a sandy foreshore will be cheaper to install and maintain than a traditional dike upgrade. Moreover, the approach is more sustainable and it improves nature and leisure facilities in the area. This pilot project created a test site to study the behaviour of a sandy foreshore. The project is part of the Dutch Flood Protection Programme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-goal\">Goal<\/h2>\n\n\n\n<p>A sandy foreshore to strengthen a dike is already a proven solution on seashores. However, in other locations \u2013 lakes, for example \u2013 more evidence is needed and we need to learn more about the effectiveness of this type of solution in specific circumstances. This project will provide answers to questions about the impact of waves on the foreshore and the effect of the growth of vegetation on the stability of the foreshore. This knowledge can be used to formulate criteria for the selection of suitable locations for foreshores.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/hybrid-flood-defence-houtribdijk-5.jpg\" alt=\"Hybrid Flood Defence Houtribdijk 4\"\/><figcaption><strong>Infographic of the pilot. for a high resolution version download the factsheet below under Downloads <\/strong><br><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-approach\">Approach<\/h2>\n\n\n\n<p>This is a large-scale pilot study located on the Houtrib Dike between the cities of Enkhuizen and Lelystad in the Netherlands. A 450-metre-long foreshore test section was constructed in the summer of 2014. It consisted of a body of sand of approximately 70,000 m\u00b3 that varied in width and height. Different types of vegetation were planted on the foreshore in the spring of 2015 to test the effectiveness of a range of situations simultaneously.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-research\">Research<\/h2>\n\n\n\n<p>The foreshore test section is monitored for four years (2014-2018). The monitoring included water levels as well as wave strength measurements. Two cameras have been installed to make a picture of the site every hour (a time-lapse animation with these pictures can be seen below). A topographic survey is conducted several times per year. All the data collected is analysed to answer how a secure, stable and cost-efficient sandy foreshore can be designed for use in lake systems (see publications below). More in-depth information on this pilot project can be found at <a href=\"\/en\/cases\/houtrib-dike-pilot-project-3\/\">the case Houtrib Dike Pilot Project.<\/a><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Coastline rotation at pilot hybrid flood defense Houtribdijk\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/sgNwv-zxOm0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption><strong>Coastline rotation at pilot section<\/strong><br>This film shows a timelapse of the coastline rotation made by the on-site camera.<\/figcaption><\/figure>\n\n\n<div id=\"downloads-block_5edf7ca5896fc\" class=\"block-downloads-inner \">\n            <h2>Downloads<\/h2>\n    \n            <p>The project  provides knowledge on design, construction, management and maintenance of sandy foreshores in lake systems as well as a testing protocol for this type of solutions.  Results will be used to support decision making and design of future foreshores on other locations and under other circumstances.<\/p>\n    \n                        \n            <div class=\"block-downloads-inner \">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/BwN_Pilot_Houtribdijk-Paper_CoastalDynamics2017_Steetzel_et_al.pdf\">\n                    <h4 class=\"block-downloads-title\">Building with Nature pilot Sandy Foreshore Houtribdijk &#8211; Design and behaviour of a sandy dike defence in a lake system<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Steetzel\/2017                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner \">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/BwN_Pilot_Houtribdijk-Paper_CoastalDynamics2017_Steetzel_et_al.pdf\">\n                    <h4 class=\"block-downloads-title\">A conceptual model of the morphological behaviour of the foreshore on the Houtribdijk<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Koen van Ekdom\/2017                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Establishing-vegetated-foreshores-to-increase-dike-safety-along-lake-shores.pdf\">\n                    <h4 class=\"block-downloads-title\">Establishing vegetated foreshores to increase dike safety along lake shores<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Ellis Penning, Henk Steetzel, Robbin van Santen, Marieke de Lange, Sonja Ouwerkerk, Vincent Vuik, Jasper Fiselier and Jaap van Thiel de Vries \/ 2016                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/Factsheet-Houtribdijk-EN.pdf\">\n                    <h4 class=\"block-downloads-title\">Factsheet Houtribdijk<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Ecoshape\/2014                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/WODCON-XXI-Challenges-in-Sustainable-Sandy-Startegies-JTHI-1.pdf\">\n                    <h4 class=\"block-downloads-title\">Challenges in sustainable sandy strategies<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Van Thiel et al.\/2016                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                                \n            <div class=\"block-downloads-inner block-downloads-hidden\">\n                <a class=\"block-downloads-link\" href=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/IAHR2015_penning_natural-foreshores2.pdf\">\n                    <h4 class=\"block-downloads-title\">Natural Foreshores as an alternative to traditional dike reinforcements (Conference paper IAHR 2015)<\/h4>\n                    <div class=\"block-downloads-author\">\n                        Penning\/2015                    <\/div>\n                    <span class=\"block-downloads-action\">\n                        Download\n\n                        <svg class=\"block-downloads-icon\" width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill-rule=\"evenodd\" clip-rule=\"evenodd\">\n                            <path fill=\"#fff\" d=\"M16.965 2.381c3.593 1.946 6.035 5.749 6.035 10.119 0 6.347-5.153 11.5-11.5 11.5s-11.5-5.153-11.5-11.5c0-4.37 2.442-8.173 6.035-10.119l.608.809c-3.353 1.755-5.643 5.267-5.643 9.31 0 5.795 4.705 10.5 10.5 10.5s10.5-4.705 10.5-10.5c0-4.043-2.29-7.555-5.643-9.31l.608-.809zm-4.965-2.381v14.826l3.747-4.604.753.666-5 6.112-5-6.101.737-.679 3.763 4.608v-14.828h1z\"\/>\n                        <\/svg>\n                    <\/span>\n                <\/a>\n            <\/div>\n                    \n                    <div class=\"block-downloads-inner\">\n                <a class=\"has-text-align-center block-downloads-link block-downloads-more\" href=\"#\">\n\n                    Show more downloads                <\/a>\n            <\/div>\n        \n    \n<\/div>\n<style type=\"text\/css\">\n    #downloads-block_5edf7ca5896fc .block-downloads-inner {\n        margin-bottom: 5px;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-hidden {\n        display: none;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-more,\n    #downloads-block_5edf7ca5896fc .block-downloads-link {\n        background-color: #F0F0F0;\n        margin-bottom: 1px;\n        transition: background .3s ease;\n        position: relative;\n        letter-spacing: 0.5px;\n        padding: 35px 50px 33px;\n        display: block;\n        text-decoration: none;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-more::before {\n        content: ' ';\n        background: url('data:image\/svg+xml;charset=UTF-8,<svg fill=\"LightBlue\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"14\" viewBox=\"0 0 24 24\"><path  d=\"M24 10h-10v-10h-4v10h-10v4h10v10h4v-10h10z\"\/><\/svg>');\n        margin-right: 6px;\n        width: 14px;\n        height: 14px;\n        display: inline-block;\n    }\n\n\n    #downloads-block_5edf7ca5896fc .block-downloads-action {\n        position: absolute;\n        left: 50px;\n        right: 0;\n        bottom: 27px;\n        font-weight: 900;\n        font-size: 18px;\n        color: #fff;\n        opacity: 0;\n        transition: opacity .15s ease,left .3s ease;\n        display: flex;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-icon {\n        margin-left: 0.5em;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-link:hover {\n        color: #fff;\n        background: #7FAFC8;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-link:hover .block-downloads-title {\n        color: #fff;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-link:hover .block-downloads-action {\n        opacity: 1;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-title {\n        transition: color .3s ease;\n        margin: 0 0 9px;\n        font-size: 20px;\n        color: #000;\n    }\n\n    #downloads-block_5edf7ca5896fc .block-downloads-author {\n        color: #7FAFC8;\n        font-size: 14px;\n        line-height: 1.5;\n    }\n<\/style>\n\n<script>\n    var el = document.querySelector(\"#downloads-block_5edf7ca5896fc .block-downloads-more\")\n\n    if(el !== null) {\n        el.addEventListener(\"click\", function(e) {\n            \/\/ Prevent default action\n            e.preventDefault();\n\n            \/\/ Show hidden blocks\n            document.querySelectorAll('#downloads-block_5edf7ca5896fc .block-downloads-hidden').forEach(block => {\n                block.classList.remove('block-downloads-hidden');\n            });\n\n            \/\/ Remove more button\n            document.querySelector(\"#downloads-block_5edf7ca5896fc .block-downloads-more\").remove();\n        });\n    }\n<\/script>\n\n<div id=\"link-list-block_5edf7ca5896fd\" class=\"block-link-list-inner \">\n            <h2>In media<\/h2>\n    \n    \n                        <ul class=\"block-list-list-urls\">\n\n                                           <li class=\"block-list-list-entry\">\n                                       <a class=\"block-list-list-url\" href=\"https:\/\/www.dredgingtoday.com\/2019\/01\/17\/houtrib-dike-trial-section-complete\/\">Houtrib Dike Trial Section Done (Dredging Today, January 2019)<\/a>\n               <\/li>\n            \n            <\/ul>\n\n        \n            \n    \n<\/div>\n<style type=\"text\/css\">\n    #link-list-block_5edf7ca5896fd .block-list-list-urls {\n        background-color: #F0F0F0;\n        padding: 40px 50px;\n        margin: 0 0 40px;\n    }\n\n    #link-list-block_5edf7ca5896fd .block-list-list-entry {\n        list-style-type: none;\n        padding: 0;\n        margin: 0 0 .5em;\n    }\n\n    #link-list-block_5edf7ca5896fd .block-list-list-url {\n        font-weight: 700;\n        text-decoration: none;\n        line-height: 1.125;\n        font-size: 18px;\n    }\n\n    #link-list-block_5edf7ca5896fd .block-list-list-url:hover {\n        color: #4EAA4A;\n    }\n<\/style>\n\n<div id=\"partners-block_5ee6551da0764\" class=\"block-sustainable-development-goals-inner \">\n    <h2>\n                    Sustainable Development Goals            <\/h2>\n\n    \n    \n            <div class=\"block-sustainable-development-goals-grid\">\n\n                            <a class=\"block-sustainable-development-goals-entry\" target=\"_blank\" href=\"https:\/\/www.un.org\/sustainabledevelopment\/infrastructure-industrialization\/\">\n                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2019\/06\/the-building-with-nature-philosophy-4-1200x1200.png\" alt=\"Industry, Innovation and Infrastructure\">\n                    <span class=\"block-sustainable-development-goals-hover\">\n                        Industry, Innovation and Infrastructure\n                        <span class=\"block-sustainable-development-goals-description\">\n                         To SDG 9                        <\/span>\n                    <\/span>\n                <\/a>\n                            <a class=\"block-sustainable-development-goals-entry\" target=\"_blank\" href=\"https:\/\/www.un.org\/sustainabledevelopment\/sustainable-consumption-production\/\">\n                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2019\/06\/the-building-with-nature-philosophy-6-1200x1200.png\" alt=\"Responsible Consumption and Production\">\n                    <span class=\"block-sustainable-development-goals-hover\">\n                        Responsible Consumption and Production\n                        <span class=\"block-sustainable-development-goals-description\">\n                         To SDG12                        <\/span>\n                    <\/span>\n                <\/a>\n                            <a class=\"block-sustainable-development-goals-entry\" target=\"_blank\" href=\"https:\/\/www.un.org\/sustainabledevelopment\/climate-change\/\">\n                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2019\/06\/the-building-with-nature-philosophy-7-1200x1200.png\" alt=\"Climate Action\">\n                    <span class=\"block-sustainable-development-goals-hover\">\n                        Climate Action\n                        <span class=\"block-sustainable-development-goals-description\">\n                         To SDG 13                        <\/span>\n                    <\/span>\n                <\/a>\n                            <a class=\"block-sustainable-development-goals-entry\" target=\"_blank\" href=\"https:\/\/www.un.org\/sustainabledevelopment\/oceans\/\">\n                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2019\/06\/the-building-with-nature-philosophy-8-1200x1200.png\" alt=\"Life below water\">\n                    <span class=\"block-sustainable-development-goals-hover\">\n                        Life below water\n                        <span class=\"block-sustainable-development-goals-description\">\n                         To SDG 14                        <\/span>\n                    <\/span>\n                <\/a>\n                            <a class=\"block-sustainable-development-goals-entry\" target=\"_blank\" href=\"https:\/\/www.un.org\/sustainabledevelopment\/biodiversity\/\">\n                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2019\/06\/the-building-with-nature-philosophy-9-1200x1200.png\" alt=\"Life on Land\">\n                    <span class=\"block-sustainable-development-goals-hover\">\n                        Life on Land\n                        <span class=\"block-sustainable-development-goals-description\">\n                         To SDG 15                        <\/span>\n                    <\/span>\n                <\/a>\n            \n        <\/div>\n    \n<\/div>\n<style type=\"text\/css\">\n\n    #partners-block_5ee6551da0764 .block-sustainable-development-goals-grid {\n        display: grid;\n        grid-template-columns: 1fr 1fr;\n    }\n\n    @media ( min-width: 600px ) {\n        #partners-block_5ee6551da0764 .block-sustainable-development-goals-grid {\n            grid-template-columns: 1fr 1fr 1fr;\n        }\n    }\n\n    #partners-block_5ee6551da0764 .block-sustainable-development-goals-entry {\n        padding: 20px;\n        position: relative;\n    }\n\n    @media ( min-width: 600px ) {\n        #partners-block_5ee6551da0764 .block-sustainable-development-goals-entry {\n            padding: 20px 50px;\n        }\n    }\n\n    #partners-block_5ee6551da0764 .block-sustainable-development-goals-hover {\n        top: 0;\n        left: 0;\n        opacity: 0;\n        transition: opacity .3s ease;\n        position: absolute;\n        width: 100%;\n        height: 100%;\n        background: #7FAFC8;\n        color: #fff;\n        letter-spacing: 0.2px;\n        line-height: 1.357;\n        padding: 35px 20px;\n        text-align: left;\n        font-size: 16px;\n        font-weight: 700;\n    }\n\n    #partners-block_5ee6551da0764 .block-sustainable-development-goals-entry:hover .block-sustainable-development-goals-hover {\n        opacity: 1;\n    }\n\n    #partners-block_5ee6551da0764 .block-sustainable-development-goals-description {\n        display: block;\n        margin-top: 0.5em;\n    }\n\n<\/style>\n\n<div id=\"contact-block_20200609115348\" class=\"block-contact-inner \">\n            <h2>Contact<\/h2>\n    \n                                    \n            <div class=\"block-contact-inner\">\n                <figure class=\"block-contact-visual\">\n                                        <img decoding=\"async\" class=\"block-contact-image\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/07\/hybrid-flood-defence-houtribdijk-6.jpg\"\n                         alt=\"Hybrid Flood Defence Houtribdijk 5\"\/>\n                                    <\/figure>\n                <div class=\"block-contact-content\">\n                    <header class=\"block-contact-header\">\n                        <h5 class=\"block-contact-name\">Henk Steetzel<\/h5>\n                        <div class=\"block-contact-function\">Project Manager<\/div>\n                        <div class=\"block-contact-organisation\"><\/div>\n                    <\/header>\n\n                    <a class=\"block-contact-email\" href=\"mailto:henk.steetzel@arcadis.com\">\n                        henk.steetzel@arcadis.com                    <\/a>\n                <\/div>\n            <\/div>\n\n        \n    \n<\/div>\n<style type=\"text\/css\">\n    #contact-block_20200609115348 .block-contact-inner {\n        background: #F0F0F0;\n        padding: 40px;\n        display: flex;\n        align-items: center;\n        flex-direction: column;\n    }\n\n    @media (min-width: 768px) {\n        #contact-block_20200609115348 .block-contact-inner {\n            flex-direction: row;\n        }\n    }\n\n    #contact-block_20200609115348 .block-contact-visual {\n        flex: 0 0 150px;\n        width: 150px;\n        height: 150px;\n        margin-right: 30px;\n        margin-bottom: 2rem;\n    }\n\n    @media (min-width: 768px) {\n        #contact-block_20200609115348 .block-contact-visual {\n            margin-bottom: 0;\n        }\n    }\n\n    #contact-block_20200609115348 .block-contact-image {\n        border-radius: 100%;\n        display: block;\n        height: 100%;\n        width: 100%;\n        object-fit: cover;\n    }\n\n    #contact-block_20200609115348 .block-contact-name {\n        font-size: 20px;\n        margin: 0;\n    }\n\n    #contact-block_20200609115348 .block-contact-function,\n    #contact-block_20200609115348 .block-contact-organisation {\n        color: #7FAFC8;\n        font-size: 14px;\n    }\n\n    #contact-block_20200609115348 .block-contact-email {\n        font-size: 16px;\n        color: #383838;\n        text-decoration: none;\n        margin-top: 1em;\n        display: inline-block;\n    }\n\n    #contact-block_20200609115348 .block-contact-email:hover {\n        color: #4EAA4A;\n    }\n\n<\/style>\n\n<div id=\"partners-block_5ee6666c3d66f\" class=\"block-partners-inner \">\n            <h2>Partners<\/h2>\n    \n    \n    \n            <div class=\"block-partners-grid\">\n\n                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"http:\/\/www.arcadis.com\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/12\/deep-sand-extraction-and-ecosystem-based-landscaping-9.png\" alt=\"Arcadis\">\n                    <span class=\"block-partners-hover\">\n                        Arcadis                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/12\/deep-sand-extraction-and-ecosystem-based-landscaping-25.png\" alt=\"Ministry of Infrastructure and the Environment\">\n                    <span class=\"block-partners-hover\">\n                        Ministry of Infrastructure and the Environment                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"https:\/\/www.hkv.nl\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/12\/deep-sand-extraction-and-ecosystem-based-landscaping-15.png\" alt=\"HKV Lijn in Water\">\n                    <span class=\"block-partners-hover\">\n                        HKV Lijn in Water                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"http:\/\/www.boskalis.nl\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/12\/deep-sand-extraction-and-ecosystem-based-landscaping-10.png\" alt=\"Boskalis\">\n                    <span class=\"block-partners-hover\">\n                        Boskalis                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"https:\/\/www.wur.nl\/en.htm\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2016\/12\/deep-sand-extraction-and-ecosystem-based-landscaping-31.png\" alt=\"Wageningen University and Research\">\n                    <span class=\"block-partners-hover\">\n                        Wageningen University and Research                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"http:\/\/www.deltares.nl\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/06\/Deltares_logo_D-blauw_RGB-002.jpg\" alt=\"Deltares\">\n                    <span class=\"block-partners-hover\">\n                        Deltares                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"http:\/\/www.vanoord.com\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/06\/van-oord-updated-march-2026-1200x378.jpg\" alt=\"Van Oord\">\n                    <span class=\"block-partners-hover\">\n                        Van Oord                    <\/span>\n                                    <\/a>\n                                                            <a class=\"block-partners-entry\" target=\"_blank\" href=\"https:\/\/www.haskoning.com\/\">\n                                                        <img decoding=\"async\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/06\/haskoning.png\" alt=\"Haskoning\">\n                    <span class=\"block-partners-hover\">\n                        Haskoning                    <\/span>\n                                    <\/a>\n                            \n        <\/div>\n    \n<\/div>\n<style type=\"text\/css\">\n\n    #partners-block_5ee6666c3d66f .block-partners-grid {\n        display: grid;\n        grid-template-columns: 1fr 1fr;\n    }\n    @media ( min-width: 600px ) {\n        #partners-block_5ee6666c3d66f .block-partners-grid {\n            grid-template-columns: 1fr 1fr 1fr;\n        }\n    }\n\n    #partners-block_5ee6666c3d66f .block-partners-entry {\n        padding: 20px;\n        position: relative;\n    }\n\n    @media ( min-width: 600px ) {\n        #partners-block_5ee6666c3d66f .block-partners-entry {\n            padding: 20px 50px;\n        }\n    }\n\n    #partners-block_5ee6666c3d66f .block-partners-hover {\n        top: 0;\n        left: 0;\n        opacity: 0;\n        transition: opacity .3s ease;\n        position: absolute;\n        width: 100%;\n        height: 100%;\n        background: #7FAFC8;\n        color: #fff;\n        letter-spacing: 0.2px;\n        line-height: 1.357;\n        padding: 35px 20px;\n        text-align: left;\n        font-size: 16px;\n        font-weight: 700;\n    }\n\n    #partners-block_5ee6666c3d66f .block-partners-entry:hover .block-partners-hover {\n        opacity: 1;\n    }\n\n<\/style>","protected":false},"excerpt":{"rendered":"<p>The traditional approach to dike reinforcement (a bigger dike) is usually the first option that comes to mind when a dike is no longer fit for purpose, even though there may be more attractive alternatives from several points of view. A sandy foreshore consists of a large quantity of sand that is deposited in front [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":191,"parent":0,"menu_order":0,"template":"templates\/template-half-cover.php","landscape":[],"class_list":["post-6402","pilot","type-pilot","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Houtrib Dike Pilot Project - EcoShape<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecoshape.org\/en\/pilots\/hybrid-flood-defence-houtribdijk-sandy-foreshore-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Houtrib Dike Pilot Project\" \/>\n<meta property=\"og:description\" content=\"The traditional approach to dike reinforcement (a bigger dike) is usually the first option that comes to mind when a dike is no longer fit for purpose, even though there may be more attractive alternatives from several points of view. 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