{"id":52,"date":"2016-04-16T12:45:25","date_gmt":"2016-04-16T11:45:25","guid":{"rendered":"http:\/\/haldi-sarl.ch\/?p=52"},"modified":"2016-04-21T11:29:32","modified_gmt":"2016-04-21T10:29:32","slug":"le-beton-un-produit-naturel-recyclable","status":"publish","type":"post","link":"https:\/\/www.haldi-sarl.ch\/index.php\/2016\/04\/16\/le-beton-un-produit-naturel-recyclable\/","title":{"rendered":"Le B\u00e9ton, un produit naturel recyclable"},"content":{"rendered":"
\"image001\"<\/div><\/div>\n

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LE BETON<\/h1>\n

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UN PRODUIT NATUREL<\/h1>\n

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RECYCLABLE<\/h1>\n

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\u00c9nergie thermique n\u00e9cessaire pour la fabrication du produit<\/h2>\n
En faisant abstraction de l\u2019\u00e9nergie utilis\u00e9e pour l\u2019extraction, les deux mat\u00e9riaux sont compos\u00e9s \u00e0 la base d\u2019agr\u00e9gats naturels<\/div>\n
\"image005\"<\/div>\n
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B\u00c9TON<\/h3>\n
1 m\u00b3 de b\u00e9ton \u2248 300 kg de ciment<\/div>\n
(seul 8% du produit fini doit \u00eatre cuit)<\/div>\n
temp\u00e9rature de cuisson \u223c 2’000 \u00b0C<\/div>\n
\u2248 6 x 105<\/sup> [kg x \u00b0C]<\/div>\n
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<\/h3>\n

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MA\u00c7ONNERIE<\/h3>\n
1 m\u00b3 de terre cuite \u2248 1\u2019600 kg d\u2019argile<\/div>\n
(la totalit\u00e9 du produit fini doit \u00eatre cuit)<\/div>\n
temp\u00e9rature de cuisson \u223c 800 \u00b0C<\/div>\n
\u2248 12 x 105<\/sup> [kg x \u00b0C]<\/div>\n
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CIMENT :<\/div>\n
Colle qui enrobe les grains pour le \u00ab collage \u00bb, le ciment ne joue pratiquement pas de r\u00f4le dans la r\u00e9sistance \u00e0 la compression du produit fini.<\/div>\n<\/div>\n
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MORTIER<\/h3>\n
Granulom\u00e9trie \u00ab fine \u00bb et quelconque<\/div>\n
Tr\u00e8s grande quantit\u00e9 de ciment perdu<\/div>\n
inutilement pour boucher les trous entre<\/div>\n
grains. La disposition des billes \u00e9quivaut<\/div>\n
\u00e0 celle des atomes de diamant.<\/div>\n
<\/div>\n
Il n\u2019existe pas de moyens math\u00e9matique<\/div>\n
pour calculer la compacit\u00e9 d\u2019un tel<\/div>\n
m\u00e9lange Par simulation informatique, la<\/div>\n
porosit\u00e9 minimum \u2245 26 [%]<\/div>\n<\/div>\n
MOD\u00c8LE \u00ab BILLES \u00bb<\/div>\n
<\/div>\n
\"image009\"<\/div>\n
<\/div>\n
\u00a0<\/div><\/div>\n
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B\u00c9TON<\/h3>\n
Granulom\u00e9trie optimis\u00e9e en vue d\u2019une<\/div>\n
compacit\u00e9 maximum.<\/div>\n
<\/div>\n
On a trouv\u00e9 des moyens plus intelligents<\/div>\n
pour aboutir \u00e0 ces r\u00e9sultats en utilisant<\/div>\n
une granulom\u00e9trie par tranches selon les<\/div>\n
cat\u00e9gories de diam\u00e8tre des graviers.<\/div>\n<\/div>\n
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COURBE DE FULLER<\/div>\n
(Suisse)<\/div>\n
\"image007\"<\/div>\n<\/div>\n
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INCONV\u00c9NIENTS :<\/h2>\n
Lors de la prise du ciment, d\u00e9gagement de l\u2019\u00e9nergie thermique fournie pour sa fabrication<\/div>\n
\u21d2 RETRAIT<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      \u00c9nergie thermique n\u00e9cessaire pour la fabrication du produit En faisant abstraction de l\u2019\u00e9nergie utilis\u00e9e pour l\u2019extraction, les deux mat\u00e9riaux sont compos\u00e9s \u00e0 la base d\u2019agr\u00e9gats naturels MA\u00c7ONNERIE 1 m\u00b3 de terre cuite \u2248 1\u2019600 kg d\u2019argile (la totalit\u00e9 du produit fini doit \u00eatre cuit) temp\u00e9rature de cuisson \u223c 800 \u00b0C \u2248 12 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-52","post","type-post","status-publish","format-standard","hentry","category-dep-rd"],"_links":{"self":[{"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/posts\/52"}],"collection":[{"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/comments?post=52"}],"version-history":[{"count":52,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":115,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/posts\/52\/revisions\/115"}],"wp:attachment":[{"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/media?parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/categories?post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.haldi-sarl.ch\/index.php\/wp-json\/wp\/v2\/tags?post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}