{"id":12991,"date":"2025-02-26T13:21:10","date_gmt":"2025-02-26T11:21:10","guid":{"rendered":"https:\/\/ssrei.ch\/une-question-pour-tanja-spruenken-directrice-generale-de-baumschlager-eberle-saint-gall\/"},"modified":"2025-02-26T16:43:52","modified_gmt":"2025-02-26T14:43:52","slug":"une-question-pour-tanja-spruenken-directrice-generale-de-baumschlager-eberle-saint-gall","status":"publish","type":"post","link":"https:\/\/ssrei.ch\/fr\/une-question-pour-tanja-spruenken-directrice-generale-de-baumschlager-eberle-saint-gall\/","title":{"rendered":"Une question pour Tanja Spr\u00fcnken, directrice g\u00e9n\u00e9rale de Baumschlager Eberle, Saint-Gall"},"content":{"rendered":"
Le secteur de la construction et l’immobilier ont un impact consid\u00e9rable sur le climat \u2013 non seulement en raison de leur consommation d’\u00e9nergie en phase d’exploitation, mais surtout en raison de l’utilisation intensive et de la production de mat\u00e9riaux de construction. Les mat\u00e9riaux alternatifs prennent donc de plus en plus d’importance. Les architectes de Baumschlager Eberle les utilisent depuis plusieurs ann\u00e9es. Quelles exp\u00e9riences concr\u00e8tes en ont-ils tir\u00e9es ?<\/h5>\n

Il convient d’abord de noter que la durabilit\u00e9 est la contribution \u00e9cologique, \u00e9conomique et culturelle essentielle qu’un b\u00e2timent peut apporter. Une architecture respect\u00e9e, appr\u00e9ci\u00e9e et valoris\u00e9e perdure dans le temps et se r\u00e9v\u00e8le ainsi particuli\u00e8rement durable. C’est notre exigence premi\u00e8re, imm\u00e9diatement suivie par le mode de construction et le choix des mat\u00e9riaux.<\/p>\n

Nous \u00e9tudions et explorons depuis un certain temps l’utilisation de mat\u00e9riaux de construction alternatifs tels que le b\u00e9ton de chanvre, le biochar et l’argile. R\u00e9cemment, nous avons r\u00e9alis\u00e9 un immeuble collectif (voir image) dans lequel tous ces mat\u00e9riaux ont \u00e9t\u00e9 int\u00e9gr\u00e9s : des briques de chanvre pour le remplissage des murs ext\u00e9rieurs d’une construction en bois, du biochar comme isolant, permettant ainsi d’\u00e9viter les additifs aux impacts \u00e9cologiques n\u00e9gatifs, ainsi que des plaques et des enduits en argile pour les finitions int\u00e9rieures.<\/p>\n

 <\/p>\n

\"\"<\/a>
\nNouvelle construction d’un immeuble collectif Openly, Widnau<\/p>\n

Ces mat\u00e9riaux \u00e9cologiques se distinguent par leur faible empreinte CO2, leur origine naturelle et leurs excellentes propri\u00e9t\u00e9s physiques. Ils constituent une alternative durable et pr\u00e9cieuse aux mat\u00e9riaux de construction conventionnels, offrant non seulement des avantages \u00e9cologiques, mais aussi une am\u00e9lioration de la qualit\u00e9 de vie des utilisateurs. Gr\u00e2ce \u00e0 sa capacit\u00e9 \u00e9lev\u00e9e de captation du CO2 pendant sa croissance, le chanvre r\u00e9gule l\u2019humidit\u00e9 et contribue ainsi \u00e0 un climat int\u00e9rieur sain. De m\u00eame, l\u2019argile se caract\u00e9rise par une excellente r\u00e9gulation de l\u2019humidit\u00e9, ce qui en fait un mat\u00e9riau id\u00e9al pour cr\u00e9er un environnement int\u00e9rieur sain.<\/p>\n

 <\/p>\n

\n
Excursus<\/span><\/h5>\n

Le b\u00e9ton de chanvre est compos\u00e9 d\u2019un m\u00e9lange de fibres de chanvre, de chaux et <\/span>
\nd\u2019eau. Il poss\u00e8de non seulement d\u2019excellentes propri\u00e9t\u00e9s isolantes, mais il est aussi tr\u00e8s <\/span>
\nl\u00e9ger tout en \u00e9tant stable.<\/span><\/p>\n

Le biochar, ou charbon v\u00e9g\u00e9tal, est obtenu par la pyrolyse de d\u00e9chets organiques. Il a <\/span>
\nla capacit\u00e9 de stocker durablement le carbone, ce qui en fait un mat\u00e9riau pr\u00e9cieux <\/span>
\ndans la lutte contre le changement climatique.<\/span><\/p>\n

L\u2019argile est l\u2019un des mat\u00e9riaux de construction les plus anciens et les plus naturels. Il est <\/span>
\nutilis\u00e9 dans de nombreuses cultures depuis des si\u00e8cles.<\/span><\/p>\n

\n

 <\/p>\n

Dans le projet mentionn\u00e9, plusieurs d\u00e9fis sont toutefois survenus. D\u2019une part, le bloc de chanvre a des limites en termes de capacit\u00e9 statique de charge, d\u2019autre part, il manquait d\u2019exp\u00e9rience dans l\u2019utilisation de ce mat\u00e9riau de construction \u00e0 grande \u00e9chelle et dans la combinaison avec d\u2019autres mat\u00e9riaux. Par exemple, il n\u2019existait jusqu\u2019alors aucune certification en mati\u00e8re de s\u00e9curit\u00e9 incendie. En cons\u00e9quence, un \u00e9change intensif avec les autorit\u00e9s comp\u00e9tentes a eu lieu, ce qui a eu des r\u00e9percussions tant financi\u00e8res que sur le calendrier.
\nAinsi, un projet pilote n\u00e9cessite toujours un peu plus d\u2019efforts au d\u00e9part, mais cela porte ses fruits \u00e0 long terme pour les projets suivants.<\/p>\n

 <\/p>\n

\"\"<\/a><\/p>\n

A propos de la personne : Tanja Spr\u00fcnken est ing\u00e9nieure dipl\u00f4m\u00e9e et architecte. Au cours de ses plus de 25 ann\u00e9es d\u2019exp\u00e9rience en tant qu\u2019architecte, dirigeante et directrice g\u00e9n\u00e9rale, elle a supervis\u00e9 une grande vari\u00e9t\u00e9 de projets de tailles et de demandes complexes. Depuis mars 2022, elle dirige la soci\u00e9t\u00e9 Baumschlager Eberle St. Gallen SA en tant que directrice g\u00e9n\u00e9rale.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le secteur de la construction et l’immobilier ont un impact consid\u00e9rable sur le climat \u2013 non seulement en raison de leur consommation d’\u00e9nergie en phase d’exploitation, mais surtout en raison de l’utilisation intensive et de la production de mat\u00e9riaux de construction. Les mat\u00e9riaux alternatifs prennent donc de plus en plus d’importance. Les architectes de Baumschlager…<\/p>\n","protected":false},"author":5,"featured_media":10695,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-12991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"\nUne question pour Tanja Spr\u00fcnken, directrice g\u00e9n\u00e9rale de Baumschlager Eberle, Saint-Gall - SSREI<\/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:\/\/ssrei.ch\/fr\/une-question-pour-tanja-spruenken-directrice-generale-de-baumschlager-eberle-saint-gall\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une question pour Tanja Spr\u00fcnken, directrice g\u00e9n\u00e9rale de Baumschlager Eberle, Saint-Gall - SSREI\" \/>\n<meta property=\"og:description\" content=\"Le secteur de la construction et l’immobilier ont un impact consid\u00e9rable sur le climat \u2013 non seulement en raison de leur consommation d’\u00e9nergie en phase d’exploitation, mais surtout en raison de l’utilisation intensive et de la production de mat\u00e9riaux de construction. 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