

{"id":6179,"date":"2025-12-05T14:48:46","date_gmt":"2025-12-05T14:48:46","guid":{"rendered":"https:\/\/craterre.org\/case\/cycle-terre\/"},"modified":"2025-12-05T14:48:46","modified_gmt":"2025-12-05T14:48:46","slug":"cycle-terre","status":"publish","type":"avada_portfolio","link":"https:\/\/craterre.org\/en\/case\/cycle-terre\/","title":{"rendered":"Cycle terre"},"content":{"rendered":"<h2 class=\"\" data-fontsize=\"34\" data-lineheight=\"38.0833px\">Objectives<\/h2>\n<p>Cycle Terre, men\u00e9 de 2018 \u00e0 2021 et financ\u00e9 par le fonds europ\u00e9en Urban Innovative Action (UIA), a eu pour ambition de cr\u00e9er \u00e0 Sevran une fabrique de mat\u00e9riaux en terre crue. Inscrit dans une logique de circuits courts, le projet exp\u00e9rimentait la r\u00e9utilisation locale des terres de d\u00e9blais issues des chantiers du Grand Paris en \u00cele-de-France, en les transformant en mat\u00e9riaux de construction. Ces terres, d\u00e9finies comme des \u00ab mat\u00e9riaux g\u00e9ologiques naturels ou anthropiques \u2014 sols, roches ou remblais \u2014 extraits lors de travaux de terrassement et non r\u00e9employ\u00e9s sur leur site d\u2019origine \u00bb, constituaient la mati\u00e8re premi\u00e8re de la fabrique.<\/p>\n<p>\u00c0 partir de ces d\u00e9blais, Cycle Terre a mis au point une production de mat\u00e9riaux en terre crue comprenant des blocs de terre comprim\u00e9e, des mortiers et enduits de corps ainsi que des essais sur des panneaux d\u2019argile extrud\u00e9e. L\u2019objectif \u00e9tait de valoriser une ressource habituellement consid\u00e9r\u00e9e comme un d\u00e9chet tout en contribuant \u00e0 la r\u00e9duction de l\u2019empreinte carbone du secteur du b\u00e2timent. Le projet a \u00e9galement contribu\u00e9 \u00e0 la cr\u00e9ation d\u2019emplois locaux et \u00e0 la formation aux m\u00e9tiers de la terre crue, en lien direct avec l\u2019implantation de la fabrique \u00e0 Sevran.<\/p>\n<p>Port\u00e9 par un consortium de treize partenaires \u2014 la Ville de Sevran, Grand Paris Am\u00e9nagement, la Soci\u00e9t\u00e9 du Grand Paris, QUARTUS, Joly&amp;Loiret, Antea Group, ECT, l\u2019Universit\u00e9 Gustave Eiffel, Sciences Po, l\u2019ENSAG, Comp\u00e9tences Emploi Sevran, CRAterre et am\u00e0co \u2014 Cycle Terre se positionne comme un laboratoire pour les mat\u00e9riaux de construction en terre crue et une base pour l\u2019\u00e9mergence d\u2019une fili\u00e8re terre crue en Ile-de-France.<br \/>D\u00e8s son lancement, le projet a r\u00e9uni des comp\u00e9tences compl\u00e9mentaires autour d\u2019un objectif partag\u00e9 : transformer les d\u00e9blais du Grand Paris en mat\u00e9riaux de construction \u00e0 faible impact environnemental. Cette collaboration a permis d\u2019intervenir sur l\u2019ensemble de la cha\u00eene de valeur, depuis la connaissance du sous-sol jusqu\u2019\u00e0 l\u2019int\u00e9gration des mat\u00e9riaux dans les projets architecturaux, en passant par les proc\u00e9d\u00e9s de transformation, la formulation et la caract\u00e9risation des mat\u00e9riaux, la r\u00e9daction d\u2019Atex et l\u2019ancrage territorial.<\/p>\n<p>Gr\u00e2ce \u00e0 cette synergie, la fabrique a pu \u00eatre mise en service \u00e0 l\u2019automne 2021, marquant une \u00e9tape d\u00e9cisive dans la structuration et la reconnaissance de la fili\u00e8re terre crue en \u00cele-de-France.<\/p>\n<h2>Results<\/h2>\n<ul>\n<li>1 plateforme abrit\u00e9e de pr\u00e9paration des terres situ\u00e9e \u00e0 moins de 10 km de la fabrique (s\u00e9lection des terres ad\u00e9quates, stockage des lots homog\u00e8nes, pr\u00e9paration (broyage et s\u00e9chage) des terres excav\u00e9es, approvisionnement de la fabrique en mati\u00e8res premi\u00e8res pr\u00eates \u00e0 l\u2019emploi) ;<\/li>\n<li>Une fabrique \u00e0 Sevran (93) produisant des mat\u00e9riaux de construction en terre crue \u00e0 partir des terres excav\u00e9es issues des chantiers du Grand Paris (avec 3 lignes de production : Mortier, Enduits, BTC ) ;<\/li>\n<li>Mat\u00e9riaux terre crue produits et vendus localement ;<\/li>\n<li>1 guide \u00e0 l&rsquo;attention des porteurs de projets pour l&rsquo;utilisation de la terre crue dans la construction ;<\/li>\n<li>1 guide de conception et de construction pour le mat\u00e9riaux Cycle terre ;<\/li>\n<li>3 FDES (Fiches de D\u00e9claration Environnementale et Sanitaire) sur les produits Cycle Terre, pour les rapports RE2020 ;<\/li>\n<li>3 Atex de type A valid\u00e9s : murs de parement int\u00e9rieur en BTC, Cloison en ma\u00e7onnerie de BTC, Proc\u00e9d\u00e9s de murs de remplissage de BTC ;<\/li>\n<li>Cycle Terre retenu comme d\u00e9monstrateur industriel de la Ville Durable (Minist\u00e8re fran\u00e7ais de la Transition \u00e9cologique).<\/li>\n<\/ul>\n<h2>Resources<\/h2>\n<p><a href=\"https:\/\/craterre.hypotheses.org\/4086\"><img decoding=\"async\" class=\"lazyload alignleft wp-image-4636 size-medium\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27210%27%20height%3D%27300%27%20viewBox%3D%270%200%20210%20300%27%3E%3Crect%20width%3D%27210%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/craterre.hypotheses.org\/files\/2021\/05\/atex_cycleterre-210x300.png\" alt=\"\" width=\"210\" height=\"300\" \/><\/a> <a href=\"https:\/\/craterre.hypotheses.org\/4084\"><img decoding=\"async\" class=\"lazyload alignleft wp-image-4906 size-medium\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27211%27%20height%3D%27300%27%20viewBox%3D%270%200%20211%20300%27%3E%3Crect%20width%3D%27211%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/craterre.hypotheses.org\/files\/2021\/05\/atex2990-211x300.png\" alt=\"\" width=\"211\" height=\"300\" \/><\/a><a href=\"https:\/\/craterre.hypotheses.org\/4082\"><img decoding=\"async\" class=\"lazyload wp-image-4181 size-medium alignnone\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27211%27%20height%3D%27300%27%20viewBox%3D%270%200%20211%20300%27%3E%3Crect%20width%3D%27211%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/craterre.hypotheses.org\/files\/2021\/05\/Atex_cycle_terre_btc-211x300.png\" alt=\"\" width=\"211\" height=\"300\" \/><\/a> <a href=\"https:\/\/amaco.terra-award.org\/wp-content\/uploads\/2020\/03\/dossier_12pages_CYCLETERRE2018_30082018_OKLIGHT.pdf\"><img decoding=\"async\" class=\"lazyload alignnone wp-image-6182\" src=\"https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE.png\" data-orig-src=\"https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE.png\" alt=\"\" width=\"200\" height=\"307\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27307%27%20viewBox%3D%270%200%20200%20307%27%3E%3Crect%20width%3D%27200%27%20height%3D%27307%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE-8x12.png 8w, https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE-196x300.png 196w, https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE-200x307.png 200w, https:\/\/craterre.org\/wp-content\/uploads\/2025\/12\/CYCLETERRE.png 365w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><\/p>\n<h2>Partners<\/h2>\n<p>Ville de Sevran, Grand Paris Am\u00e9nagement, la Soci\u00e9t\u00e9 du Grand Paris, QUARTUS, Joly&amp;Loiret, Antea Group, ECT, l\u2019Universit\u00e9 Gustave Eiffel, Sciences Po, ENSAG, Comp\u00e9tences Emploi Sevran, CRAterre, am\u00e0co<\/p>\n<h2>Financements<\/h2>\n<p>Union Europ\u00e9enne, R\u00e9gion IDF<\/p>\n<h2>\u00a0<\/h2>","protected":false},"excerpt":{"rendered":"<p>Objectifs Cycle Terre, men\u00e9 de 2018 \u00e0 2021 et financ\u00e9 [&hellip;]<\/p>","protected":false},"author":2,"featured_media":6174,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"portfolio_category":[28],"portfolio_skills":[],"portfolio_tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cycle terre - CRAterre<\/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:\/\/craterre.org\/en\/case\/cycle-terre\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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