{"id":12524,"date":"2026-01-30T15:05:58","date_gmt":"2026-01-30T15:05:58","guid":{"rendered":"https:\/\/www.o2d-environnement.com\/coefficient-de-ruissellement-solutions-o2d\/"},"modified":"2026-04-23T12:41:25","modified_gmt":"2026-04-23T12:41:25","slug":"afvloeiingscoefficient-waterbeheer","status":"publish","type":"post","link":"https:\/\/www.o2d-environnement.com\/nl\/duurzaam-bodembeheer\/afvloeiingscoefficient-waterbeheer\/","title":{"rendered":"Doelstelling oppervlakafvloeiing nul: bepaling van de afvloeiingsco\u00ebffici\u00ebnt van de O2D-oplossingen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12524\" class=\"elementor elementor-12524 elementor-4205\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b7943d4 e-con-full e-flex e-con e-parent\" data-id=\"7b7943d4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-15696717 e-con-full e-flex e-con e-child\" data-id=\"15696717\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-513b27f3 e-flex e-con-boxed e-con e-child\" data-id=\"513b27f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bed009c elementor-widget elementor-widget-text-editor\" data-id=\"2bed009c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Afvloeiingswater kan ernstige gevolgen hebben, zowel in een landelijke als in een stedelijke omgeving. Onder de alternatieve technieken voor regenwaterbeheer zijn waterdoorlatende bodembedekkingen een van de oplossingen om afvloeiingswater te beperken.\u00a0Een bodembedekking met de naam \u2018waterdoorlatend\u2019 moet een zo laag mogelijke afvloeiingsco\u00ebffici\u00ebnt hebben.<\/p><p>Om nog beter te beantwoorden aan de verwachtingen van de projectontwerpers, onderwierp O2D Environnement zijn\u00a0<strong>oplossingen met roosters met gazon, klinkers en grind<\/strong>\u00a0aan tests voor de\u00a0<strong>bepaling van de afvloeiingsco\u00ebffici\u00ebnt<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b504698 e-flex e-con-boxed e-con e-parent\" data-id=\"b504698\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-729ba1f1 e-con-full e-flex e-con e-child\" data-id=\"729ba1f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7f078c89 e-con-full e-flex e-con e-child\" data-id=\"7f078c89\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-55648928 e-con-full e-flex e-con e-child\" data-id=\"55648928\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c3f207 dot green elementor-widget elementor-widget-heading\" data-id=\"9c3f207\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">De notie afvloeiingswater<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ec41624 elementor-widget elementor-widget-heading\" data-id=\"6ec41624\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Afvloeiingswater \n<span class=\"green\">en zijn gevolgen<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55558dc3 elementor-widget elementor-widget-text-editor\" data-id=\"55558dc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Afvloeiing betekent het wegstromen van water langs het bodemoppervlak. Dit gebeurt wanneer de intensiteit van regenbuien hoger ligt dan de infilterings- en opvangcapaciteit aan het bodemoppervlak.<\/p><p>In een landelijk milieu is dit, mede in de hand gewerkt door de\u00a0<strong>landbouwpraktijken en de ontbossing van percelen<\/strong>, de oorzaak van\u00a0<strong>bodemerosie<\/strong>\u00a0en kan dit leiden tot\u00a0<strong>catastrofale modderstromen.\u00a0<\/strong>Hierdoor komt bovendien\u00a0<strong>vervuiling (meststoffen, pesticiden) in het water terecht.<\/strong><\/p><p>In een stedelijke omgeving wordt\u00a0<strong>afvloeiing in de hand gewerkt door kunstmatig aangelegde grondbedekking<\/strong>.\u00a0 Bij zware regenval wordt dit afvloeiingswater vervuild en verzadigd het de netwerken, wat leidt tot\u00a0<strong>overstromingen en vervuiling van de waterhoudende lagen.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5d28432a e-con-full e-flex e-con e-child\" data-id=\"5d28432a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b281c2 btn-svg-rotate elementor-widget elementor-widget-button\" data-id=\"4b281c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/nl\/inrichting-van-buitenverharding\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M7 7H17M17 7V17M17 7L7 17\" stroke=\"#463F31\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Zie onze toepassingen<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d1699c e-con-full e-flex e-con e-child\" data-id=\"7d1699c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-83bda47 elementor-widget elementor-widget-image\" data-id=\"83bda47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"610\" height=\"800\" src=\"https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/03\/Ruissellement-agricole-et-ruissellement-urbain.webp\" class=\"attachment-large size-large wp-image-12527\" alt=\"Ruissellement agricole et ruissellement urbain\" srcset=\"https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/03\/Ruissellement-agricole-et-ruissellement-urbain.webp 610w, https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/03\/Ruissellement-agricole-et-ruissellement-urbain-229x300.webp 229w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-37f75177 e-flex e-con-boxed e-con e-parent\" data-id=\"37f75177\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4dcb832f e-con-full e-flex e-con e-child\" data-id=\"4dcb832f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c67ecc4 dot green elementor-widget elementor-widget-heading\" data-id=\"c67ecc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">afstromingsco\u00ebffici\u00ebnt van oppervlakken en verhardingen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79323a78 elementor-widget elementor-widget-heading\" data-id=\"79323a78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span class=\"green\">Afvloeiingsco\u00ebffici\u00ebnt<\/span>  en alternatief beheer\n<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d8fc28c elementor-widget elementor-widget-text-editor\" data-id=\"1d8fc28c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Duurzame stedenbouw wil afvloeiingswater bestrijden door een duurzamer regenwaterbeheer. Deze vier stappen van de waterkringloop laten toe om afvloeiing te beperken:<\/p><ul><li><strong>verdamping<\/strong><\/li><li><strong>vasthouden van het water<\/strong><\/li><li><strong>opvangen door de begroeiing<\/strong><\/li><li><strong>infiltering<\/strong><\/li><\/ul><p>De alternatieve technieken voor regenwaterbeheer die infiltering bevorderen, zijn een\u00a0<strong>oplossing in de strijd tegen afvloeiingswater<\/strong>.<\/p><p>Om aanlegwerken juist te kunnen dimensioneren, is het belangrijk om de\u00a0<strong>afvloeiingsco\u00ebffici\u00ebnt (Ac) van de gebruikte bodembedekkingen<\/strong>\u00a0te bepalen. Deze toont immers\u00a0<strong>de infilterings- en opvangcapaciteit aan van de beoogde oplossing<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30ea0835 e-flex e-con-boxed e-con e-parent\" data-id=\"30ea0835\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-137a4ff1 e-con-full e-flex e-con e-child\" data-id=\"137a4ff1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6450bb1e e-con-full e-flex e-con e-child\" data-id=\"6450bb1e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5152b53b dot green elementor-widget elementor-widget-heading\" data-id=\"5152b53b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Doelstelling afvloeiingswater nul<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50ba25c6 elementor-widget elementor-widget-heading\" data-id=\"50ba25c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">De oplossingen\n<span class=\"green\">  van O2D Environnement<\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11211ada elementor-widget elementor-widget-text-editor\" data-id=\"11211ada\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Om nog beter te beantwoorden aan de verwachtingen van de projectontwerpers en om werkzaamheden beter te kunnen dimensioneren, onderwierp O2D Environnement zijn oplossingen aan<strong> tests voor de bepaling van de afvloeiingsco\u00ebffici\u00ebnt.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a64511d btn-svg-rotate elementor-widget elementor-widget-button\" data-id=\"7a64511d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/nl\/oplossingen-voor-buitenverharding\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M7 7H17M17 7V17M17 7L7 17\" stroke=\"#463F31\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ontdek onze OPLOSSINGEN<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ee074d blur elementor-widget elementor-widget-button\" data-id=\"6ee074d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M12 17V3M12 17L6 11M12 17L18 11M19 21H5\" stroke=\"#463F31\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Documentatie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-737f51 e-con-full e-flex e-con e-child\" data-id=\"737f51\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-77e649c4 dot green elementor-widget elementor-widget-heading\" data-id=\"77e649c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Testprincipe<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ee4635a elementor-widget elementor-widget-text-editor\" data-id=\"2ee4635a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>De test voor de bepaling van de afvloeiingsco\u00ebffici\u00ebnt bestaat erin het oppervlak met roosters (met gazon, klinkers of grind) bloot te stellen aan een kunstmatige regenbui die overeenstemt met uitzonderlijke neerslag voor het Franse klimaat\u00a0. Er werd een goot gemaakt rondom het oppervlak om het afvloeiingswater te kunnen opvangen en het naar een recipi\u00ebnt te leiden.<\/p><ul><li>Referentiewaterdebiet: 230 l\/u.m\u00b2 of 230 mm in 1 u<\/li><li>Debiet geprojecteerd water ten opzichte van het oppervlak: 331,2 l\/u<\/li><li>Duur van de test: 1 u (test wordt 2 maal uitgevoerd)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61137092 dot green elementor-widget elementor-widget-heading\" data-id=\"61137092\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Resultaten van de tests<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4529225f elementor-widget elementor-widget-text-editor\" data-id=\"4529225f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>De afvloeiingsco\u00ebffici\u00ebnt wordt bepaald door deze berekening:<\/p><p><strong>Ac = Volume afvloeiingswater \/ Volume gebruikt water<\/strong><\/p><p>Voor elk van de oplossingen is het volume opgevangen afvloeiingswater beperkt. De O2D-oplossing met KLINKERS vertoont de \u2018hoogste\u2019 afvloeiingsco\u00ebffici\u00ebnt, met de volgende waarden tijdens test nr. 1:<\/p><ul><li><strong>Waterdebiet:<\/strong>\u00a0331 l\/u gedurende 1 uur<\/li><li><strong>Gebruikt watervolume:<\/strong>\u00a0362 l<\/li><li><strong>Opgevangen volume afvloeiingswater:<\/strong>\u00a01,9 l<\/li><li><strong>Bepaling van de Ac:<\/strong>\u00a01,9\/362 = 0,0052<\/li><\/ul><p>We merken op dat het afvloeiingswater in hoofdzaak afkomstig is van het water dat via de groeven van het rooster naar de goten loopt en van de indirecte waterprojecties door spatten.<\/p><p>Dit zijn de vastgestelde gemiddelde afvloeiingsco\u00ebffici\u00ebnten:<\/p><ul><li><strong>O2D GREEN-systeem: gemiddelde Ac = 0<\/strong><\/li><li><strong>O2D KLINKERS-systeem: gemiddelde Ac = 0,0049<\/strong><\/li><li><strong>O2D MINERALEN-systeem: gemiddelde Ac = 0,0025<\/strong><\/li><\/ul><p><strong>Met zicht op de resultaten, met afvloeiingsco\u00ebffici\u00ebnten die dicht bij 0 liggen, en de observaties tijdens de tests, beschouwt het studiebureau GINGER CEBTP\u00a0de afvloeiingsco\u00ebffici\u00ebnt van elke O2D Environnement-oplossing als nul.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26d0360c e-flex e-con-boxed e-con e-parent\" data-id=\"26d0360c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-77fd08a0 elementor-widget elementor-widget-video\" data-id=\"77fd08a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=8x9UidwFMLU&amp;t=12s&quot;,&quot;show_image_overlay&quot;:&quot;yes&quot;,&quot;image_overlay&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/www.o2d-environnement.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/CR-o2dpave.webp&quot;,&quot;id&quot;:12528,&quot;size&quot;:&quot;&quot;,&quot;alt&quot;:&quot;&quot;,&quot;source&quot;:&quot;library&quot;},&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t\t\t<div class=\"elementor-custom-embed-image-overlay\" style=\"background-image: url(https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/03\/CR-o2dpave.webp);\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-custom-embed-play\" role=\"button\" aria-label=\"Video afspelen\" tabindex=\"0\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"80\" height=\"80\" viewBox=\"0 0 80 80\" fill=\"none\"><circle cx=\"40\" cy=\"40\" r=\"40\" fill=\"#BBCC11\"><\/circle><path d=\"M27 54.9047V26.7342C27 24.5335 29.2909 23.0818 31.281 24.0215L58.7101 36.9734C60.9201 38.017 61.0217 41.1237 58.8846 42.3094L31.4555 57.528C29.4559 58.6374 27 57.1914 27 54.9047Z\" fill=\"#463F31\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4e2e7ca e-flex e-con-boxed e-con e-parent\" data-id=\"4e2e7ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ccd5cd elementor-widget elementor-widget-spacer\" data-id=\"6ccd5cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e16a12f e-flex e-con-boxed e-con e-parent\" data-id=\"e16a12f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4de08ce elementor-widget elementor-widget-video\" data-id=\"4de08ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=BWyhCFIhBGM&quot;,&quot;show_image_overlay&quot;:&quot;yes&quot;,&quot;image_overlay&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/www.o2d-environnement.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/CR-o2dgreen.webp&quot;,&quot;id&quot;:12529,&quot;size&quot;:&quot;&quot;,&quot;alt&quot;:&quot;&quot;,&quot;source&quot;:&quot;library&quot;},&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t\t\t<div class=\"elementor-custom-embed-image-overlay\" style=\"background-image: url(https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/03\/CR-o2dgreen.webp);\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-custom-embed-play\" role=\"button\" aria-label=\"Video afspelen\" tabindex=\"0\">\n\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"80\" height=\"80\" viewBox=\"0 0 80 80\" fill=\"none\"><circle cx=\"40\" cy=\"40\" r=\"40\" fill=\"#BBCC11\"><\/circle><path d=\"M27 54.9047V26.7342C27 24.5335 29.2909 23.0818 31.281 24.0215L58.7101 36.9734C60.9201 38.017 61.0217 41.1237 58.8846 42.3094L31.4555 57.528C29.4559 58.6374 27 57.1914 27 54.9047Z\" fill=\"#463F31\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1a32c6f e-flex e-con-boxed e-con e-parent\" data-id=\"1a32c6f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1cd60c4 e-con-full e-flex e-con e-child\" data-id=\"1cd60c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4de4d0e dot green elementor-widget elementor-widget-heading\" data-id=\"4de4d0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Afstromingsco\u00ebffici\u00ebnt: hoe wordt deze meegenomen in projecten?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1d9e03 elementor-widget elementor-widget-heading\" data-id=\"d1d9e03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><span class=\"green\">De afvloeiingsco\u00ebffici\u00ebnt: \n<\/span> een indicator met verschillende variabelen<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1577f66 elementor-widget elementor-widget-spacer\" data-id=\"1577f66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f5a3859 e-con-full e-flex e-con e-child\" data-id=\"1f5a3859\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-56df130d e-con-full e-flex e-con e-child\" data-id=\"56df130d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d937dcc elementor-widget elementor-widget-text-editor\" data-id=\"7d937dcc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>De afvloeiingsco\u00ebffici\u00ebnt (Ac) is de verhouding tussen de nettoregen (hoogte van het afgevloeide water aan de uitgang van het in beschouwing genomen oppervlak) en de brutoregen (hoogte van het gebruikte water). We maken een onderscheid tussen de afvloeiingsco\u00ebffici\u00ebnt op schaal van een aanlegproject en de afvloeiingsco\u00ebffici\u00ebnt eigen aan een bepaald oppervlak.<\/p>\n<p>\u00a0<\/p>\n<h4>Aanlegproject en dimensionering van de werken<\/h4>\n<p>De berekening van de afvloeiingsco\u00ebffici\u00ebnt (Ac) op schaal van een project hangt af van verschillende variabelen: de aard van de bodem, de bodembedekking, de helling, de regenmeting en de waterverzadiging van de bodem.<\/p>\n<p>De verantwoordelijke voor de waterstudie of de modelvorming bepaalt de meest gepaste referentie(s) voor de kenmerken van het project. De gewogen afvloeiingsco\u00ebffici\u00ebnten (Ac) per oppervlak dienen om de afvoerco\u00ebffici\u00ebnt (AC\u00a0) te bepalen, met andere woorden het\u00a0<strong>percentage regen dat werkelijk via de afvoer in het betrokken stroomgebied terechtkomt.<\/strong><\/p>\n<div>\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1215115b e-con-full e-flex e-con e-child\" data-id=\"1215115b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-699761b6 elementor-widget elementor-widget-text-editor\" data-id=\"699761b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4>Beplanting als oplossing in de strijd tegen afvloeiingswater<\/h4>\n<p>Begroeide oppervlakken in een stedelijke omgeving zorgen voor bepaalde fenomenen die het afvloeiingswater sterk beperken: de evapotranspiratie, het opvangen en het infilteren. Door de stedelijke omgeving dusdanig in te richten, willen we\u00a0<strong>het natuurlijke vochtevenwicht van de ecosystemen herstellen,<\/strong>\u00a0wat heel wat voordelen biedt voor milieu en samenleving.<\/p>\n<p><strong>De inrichtingstechnieken voor de invoering van groen in de stad zijn divers:<\/strong><\/p>\n<ul>\n<li>Groendaken<\/li>\n<li>Infilteringsknopen<\/li>\n<li>Groene waterdoorlatende parkings<\/li>\n<li>Regentuinen<\/li>\n<li>enz.<\/li>\n<\/ul>\n<h4>Kom meer te weten:<\/h4>\n<div>&gt;\u00a0<a href=\"https:\/\/www.gidsduurzamegebouwen.brussels\/nl\/8-berekening-van-de-hoeveelheid-water-die-moet-worden-opgeslagen-en-afgevoerd.html?IDC=7445\" target=\"_blank\" rel=\"noopener nofollow\"><strong>Berekening van de hoeveelheid water die moet worden opgeslagen en afgevoerd<\/strong>\u00a0\u2013 Gids Duurzame Gebouwen<\/a><\/div>\n<div>\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46ac9a8d btn-svg-rotate elementor-widget elementor-widget-button\" data-id=\"46ac9a8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/gidsduurzamegebouwen.brussels\/geintegreerd-regenwaterbeheer\/basisbegrippen\" target=\"_blank\" rel=\"nofollow noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M7 7H17M17 7V17M17 7L7 17\" stroke=\"#463F31\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Basisbegrippen in hydrologie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b37c40 e-flex e-con-boxed e-con e-parent\" data-id=\"9b37c40\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-39769a1d e-con-full e-flex e-con e-child\" data-id=\"39769a1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-42c1204e e-con-full e-flex e-con e-child\" data-id=\"42c1204e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29fe9fda elementor-widget elementor-widget-image\" data-id=\"29fe9fda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"591\" src=\"https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/04\/afvloeiingsfactor-afvloeiingscoefficient-1.jpg\" class=\"attachment-large size-large wp-image-12587\" alt=\"\" srcset=\"https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/04\/afvloeiingsfactor-afvloeiingscoefficient-1.jpg 886w, https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/04\/afvloeiingsfactor-afvloeiingscoefficient-1-300x221.jpg 300w, https:\/\/www.o2d-environnement.com\/wp-content\/uploads\/2026\/04\/afvloeiingsfactor-afvloeiingscoefficient-1-768x567.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-041defc e-flex e-con-boxed e-con e-parent\" data-id=\"041defc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-171bdc8 e-con-full e-flex e-con e-child\" data-id=\"171bdc8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00a8c2d elementor-widget elementor-widget-heading\" data-id=\"00a8c2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Deel dit artikel!<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4583714 elementor-share-buttons--view-icon elementor-share-buttons--skin-framed elementor-share-buttons--shape-circle elementor-share-buttons--color-custom elementor-grid-0 elementor-widget elementor-widget-share-buttons\" data-id=\"4583714\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_pinterest\" role=\"button\" tabindex=\"0\" aria-label=\"Share on pinterest\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-pinterest\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M496 256c0 137-111 248-248 248-25.6 0-50.2-3.9-73.4-11.1 10.1-16.5 25.2-43.5 30.8-65 3-11.6 15.4-59 15.4-59 8.1 15.4 31.7 28.5 56.8 28.5 74.8 0 128.7-68.8 128.7-154.3 0-81.9-66.9-143.2-152.9-143.2-107 0-163.9 71.8-163.9 150.1 0 36.4 19.4 81.7 50.3 96.1 4.7 2.2 7.2 1.2 8.3-3.3.8-3.4 5-20.3 6.9-28.1.6-2.5.3-4.7-1.7-7.1-10.1-12.5-18.3-35.3-18.3-56.6 0-54.7 41.4-107.6 112-107.6 60.9 0 103.6 41.5 103.6 100.9 0 67.1-33.9 113.6-78 113.6-24.3 0-42.6-20.1-36.7-44.8 7-29.5 20.5-61.3 20.5-82.6 0-19-10.2-34.9-31.4-34.9-24.9 0-44.9 25.7-44.9 60.2 0 22 7.4 36.8 7.4 36.8s-24.5 103.8-29 123.2c-5 21.4-3 51.6-.9 71.2C65.4 450.9 0 361.1 0 256 0 119 111 8 248 8s248 111 248 248z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Share on linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-linkedin\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Afvloeiingswater kan ernstige gevolgen hebben, zowel in een landelijke als in een stedelijke omgeving. Onder de alternatieve technieken voor regenwaterbeheer zijn waterdoorlatende bodembedekkingen een van de oplossingen om afvloeiingswater te beperken.\u00a0Een bodembedekking met de naam \u2018waterdoorlatend\u2019 moet een zo laag mogelijke afvloeiingsco\u00ebffici\u00ebnt hebben. Om nog beter te beantwoorden aan de verwachtingen van de projectontwerpers, onderwierp [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":12525,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[],"class_list":["post-12524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-waterbeheer"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/posts\/12524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/comments?post=12524"}],"version-history":[{"count":26,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/posts\/12524\/revisions"}],"predecessor-version":[{"id":12601,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/posts\/12524\/revisions\/12601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/media\/12525"}],"wp:attachment":[{"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/media?parent=12524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/categories?post=12524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.o2d-environnement.com\/nl\/wp-json\/wp\/v2\/tags?post=12524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}