{"id":26313,"date":"2024-10-01T10:28:53","date_gmt":"2024-10-01T08:28:53","guid":{"rendered":"https:\/\/asso.graie.org\/portail\/?p=26313"},"modified":"2025-02-12T11:14:52","modified_gmt":"2025-02-12T10:14:52","slug":"sediments-de-lassainissement-pluvial-caracteristiques-gisement-gestion-et-perspectives-2","status":"publish","type":"post","link":"https:\/\/asso.graie.org\/portail\/sediments-de-lassainissement-pluvial-caracteristiques-gisement-gestion-et-perspectives-2\/","title":{"rendered":"Synth\u00e8se | S\u00e9diments de l’assainissement pluvial : caract\u00e9ristiques, gisement, gestion & perspectives"},"content":{"rendered":"\n
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SYNTH\u00c8SE OP\u00c9RATIONNELLE | Programme de recherche D\u00c9SIR – OTHU AERMC<\/h2>\n\n\n\n
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SYNTH\u00c8SE D\u00c9SIR<\/strong><\/a><\/div>\n<\/div>\n\n\n\n
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Les gestionnaires d\u2019infrastructures (urbaines, routi\u00e8res, p\u00e9ri-urbaines, etc.) collectent les eaux pluviales et g\u00e8rent ces eaux notamment gr\u00e2ce \u00e0 des bassins qui permettent aux eaux pluviales d’\u00eatre retenues et d\u00e9cant\u00e9es puis infiltr\u00e9es dans le milieu naturel.<\/p>\n\n\n\n

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Ces bassins bien dimensionn\u00e9s ont fait leurs preuves depuis les ann\u00e9e 70. Aussi bien en terme hydraulique (ils r\u00e9gulent les flux d’eaux pluviales et \u00e9vitent les inondations) qu’en terme de qualit\u00e9 des eaux. En effet, les \u00e9l\u00e9ments en suspension, charri\u00e9s par les eaux pluviales ruissel\u00e9es, sont retenus efficacement dans les ouvrages de r\u00e9tention, et les eaux d\u00e9cant\u00e9es rejoignent le milieu naturel en s’infiltrant dans le sol.<\/p>\n\n\n\n

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Cependant, la gestion des s\u00e9diments retenus et collect\u00e9s repr\u00e9sente un r\u00e9el enjeu pour les gestionnaires, car les fili\u00e8res de gestion et de valorisation de ces r\u00e9sidus ne sont pas clairement identifi\u00e9es aujourd\u2019hui et restent difficiles \u00e0 appr\u00e9hender.<\/p>\n\n\n\n

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Que connait-on aujourd\u2019hui :<\/strong>
> du GISEMENT ?
> des CARACT\u00c9RISTIQUES de ces s\u00e9diments urbains ?
> des TRAITEMENTS actuels possibles de ces sous-produits ? (\u00c9tat de l\u2019Art)
> des PERSPECTIVES envisageables pour leur gestion ?<\/strong><\/p>\n\n\n\n

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Afin de r\u00e9pondre \u00e0 ces interrogations, le projet DESIR \u00ab D\u00e9veloppement et \u00e9valuation de strat\u00e9gies de gestion durable des s\u00e9diments de bassins d\u2019infiltration et de r\u00e9tention des eaux pluviales \u00bb a d\u00e9but\u00e9 fin 2019 pour une dur\u00e9e de 36 mois dans le cadre de l’accord cadre de partenariat AERMC et OTHU.
Il a m\u00eal\u00e9 \u00e9troitement comp\u00e9tences scientifiques et comp\u00e9tences op\u00e9rationnelles en f\u00e9d\u00e9rant l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse, la M\u00e9tropole de Lyon, PROVADEMSE, les \u00e9quipes de recherche de l’OTHU dont le laboratoire DEEP de l\u2019INSA Lyon (Porteur), le BRGM, VetAgro Sup, le LEHNA de l\u2019ENTPE, le GRAIE.
Ce partenariat a permis de capitaliser les connaissances acquises dans l’OTHU et au-del\u00e0, de les consolider et d’analyser les diff\u00e9rents traitements actuellement utilis\u00e9s et de d\u00e9finir des perspectives op\u00e9rationnelles pour la gestion de ces s\u00e9diments.<\/p>\n\n\n\n

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Ce programme est anim\u00e9 par Vincent Chatain, et julien Couvidat -INSA Lyon DEEP avec l’appui de La\u00ebtitia Bacot, Graie<\/em><\/p>\n\n\n\n

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Les partenaires du projets :<\/strong><\/p>\n\n\n\n

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Les contributeurs :<\/strong>
Camille Arnault – Agence de l’eau RMC, La\u00ebtitia Bacot – GRAIE\/OTHU, Jean-
Philippe Bedell – ENTPE LEHNA, Titouan Bou\u00ebtard, INSAL DEEP, Julien Couvidat
INSAL DEEP, Milena Chabert- INSAL DEEP, Vincent Chatain- INSAL DEEP, Benoit
Cournoyer , VetAgro Sup LEM, Blandine Clozel – BRGM, C\u00e9cile Delolme – ENTPE,
Mathieu Gautier – INSAL DEEP, Wessam Gallia – Vetagro Sup LEM, Claire Gibello-
M\u00e9tropole de Lyon, Manon Kania,-Provadeems, Gislain Lipeme Kouyi – INSAL
DEEP, Nelly Maamir – M\u00e9tropole de Lyon, Damien Tedoldi – INSA DEEP, Thierry
Winiarski – ENTPE LEHNA,<\/p>\n\n\n\n

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PLUS<\/strong><\/a> D\u2019INFORMATIONS SUR LE PROGRAMME DESIR\u2013 le site web du programme<\/a><\/strong> sur le site web OTHU
Tous les livrables scientifiques du programme sont dores et d\u00e9j\u00e0 disponibles sur le site.<\/p>\n\n\n\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

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