{"id":668,"date":"2025-02-27T15:41:24","date_gmt":"2025-02-27T15:41:24","guid":{"rendered":"http:\/\/huibsneep.nl\/?p=668"},"modified":"2025-02-27T16:17:20","modified_gmt":"2025-02-27T16:17:20","slug":"vruchtbare-groeiplaats-ontwikkelen-op-tunneldak-de-groene-boog-a16","status":"publish","type":"post","link":"https:\/\/huibsneep.nl\/?p=668","title":{"rendered":"Vruchtbare groeiplaats ontwikkeld op tunneldak De Groene Boog (A16)"},"content":{"rendered":"\n<p>Voor het project De Groene Boog, ofwel de nieuwe snelwegverbinding tussen de A13 en A16, ontwikkelde Huib Sneep een techniek om uit het werk vrijgekomen, ongerijpte grond om te vormen tot een vruchtbare daktuingrond. <\/p>\n\n\n\n<p>In totaal is 90.000 kubieke meter grond, afkomstig diep uit de tunnelbak, in zo&#8217;n twee jaar tijd omgevormd tot vruchtbare aarde. Deze grond was tot acht meter diep ontgraven en bestond uit klei, veen en zand. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-1024x768.jpeg\" alt=\"\" class=\"wp-image-753\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0548-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-1024x768.jpeg\" alt=\"\" class=\"wp-image-754\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_0546-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>De eind 2021 opgediepte grond heeft eerst zes maanden gedroogd op een zandondergrond, waarbij al een uitbundige begroeiing van perzikkruid opkwam. De grondkwaliteit is daarna verder geoptimaliseerd door een mengsel van zand en organische stof (veen en compost) toe te voegen. Met een analyse is vooraf de samenstelling van de grond bepaald, en daarmee kon ook bepaald worden wat de grond nog aan toevoegingen nodig had. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-scaled.jpeg\" alt=\"\" class=\"wp-image-759\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-scaled.jpeg 2560w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_9749-edited-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-1024x768.jpeg\" alt=\"\" class=\"wp-image-757\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_7500-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Daarna is de grond op het tunneldak aangebracht, dat ter plaatse zo&#8217;n 1,5 meter boven maaiveld ligt en onderdeel is van het Lage Bergse Bos nabij Rotterdam. Na verdere rijping is de grond gemengd met een laag zand. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-1024x768.jpeg\" alt=\"\" class=\"wp-image-758\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_2504-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-1024x768.jpeg\" alt=\"\" class=\"wp-image-762\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_4784-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>In de zomer van 2024 heeft een groenbemester nog voor verdere diepe rijping gezorgd. In minder dan drie maanden ontstond een begroeiing tot 1.50 meter hoog en 60 centimeter diep in de bodem. In oktober van dat jaar was de grond klaar voor beplanting!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-1024x768.jpeg\" alt=\"\" class=\"wp-image-760\" srcset=\"https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-1024x768.jpeg 1024w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-300x225.jpeg 300w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-768x576.jpeg 768w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-1536x1152.jpeg 1536w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-2048x1536.jpeg 2048w, https:\/\/huibsneep.nl\/wp-content\/uploads\/2025\/02\/IMG_5020-1200x900.jpeg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure><\/div>\n\n\n<p>Onderstaande video is opgenomen op het &#8216;proefdak&#8217; waar de omgevormde grond werd uitgetest en de techniek tussentijds bewezen werd: <\/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=\"Vlog A16 Rotterdam #20 - Het bomendak\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/YzZi566E59c?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><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Voor het project De Groene Boog, ofwel de nieuwe snelwegverbinding tussen de A13 en A16, ontwikkelde Huib Sneep een techniek om uit het werk vrijgekomen, ongerijpte grond om te vormen tot een vruchtbare daktuingrond. In totaal is 90.000 kubieke meter grond, afkomstig diep uit de tunnelbak, in zo&#8217;n twee jaar tijd omgevormd tot vruchtbare aarde. &hellip; <a href=\"https:\/\/huibsneep.nl\/?p=668\" class=\"more-link\">Lees verder <span class=\"screen-reader-text\">&#8220;Vruchtbare groeiplaats ontwikkeld op tunneldak De Groene Boog (A16)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[10],"class_list":["post-668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projecten","tag-groeiplaats"],"_links":{"self":[{"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/posts\/668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=668"}],"version-history":[{"count":9,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions"}],"predecessor-version":[{"id":767,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions\/767"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=\/wp\/v2\/media\/758"}],"wp:attachment":[{"href":"https:\/\/huibsneep.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huibsneep.nl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}