{"id":4882,"date":"2023-02-12T10:31:25","date_gmt":"2023-02-12T09:31:25","guid":{"rendered":"http:\/\/www.blue-bears.com\/blog\/?p=4882"},"modified":"2026-07-07T14:19:35","modified_gmt":"2026-07-07T12:19:35","slug":"beton-biologique-pise-terre-compactee","status":"publish","type":"post","link":"http:\/\/www.blue-bears.com\/blog\/?p=4882","title":{"rendered":"B\u00e9ton Biologique pis\u00e9 terre compact\u00e9e ciment bio bact\u00e9ries"},"content":{"rendered":"<ul>\n<li>Suite visite cit\u00e9e des sciences La villette 11\/02\/2023 : JOURN\u00c9ES FEMMES ING\u00c9NIEURES\n<ul>\n<li>Pr\u00e9sentation de la construction de b\u00e2timent en Pis\u00e9 (Terre humide compress\u00e9e)<\/li>\n<li>Livre \u00ab\u00a0Mieux concevoir &amp; construire en terre crue\u00a0\u00bb : le Pis\u00e9.<\/li>\n<li>Terre tamis\u00e9e + eau + compression = brique =&gt; pas de ciment<\/li>\n<li><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/Le-pise-_-formulation-et-mise-en-oeuvre-darchitectures.pdf\">Le pis\u00e9 _ formulation et mise en \u0153uvre &#8211; d&rsquo;architectures<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Terre Crue (sans aditif) &amp; construction:\n<ul>\n<li>Espagne : L&rsquo;Alhambra : IX\u00e8me si\u00e8cle : forteresse \/ Tour principale 45m de haut<\/li>\n<li>Chine : Grande muraille. -300 avant JC.<\/li>\n<li>Y\u00e9men : Ville de Shib\u0101m XVI\u00e8me si\u00e8cle.<\/li>\n<li>France : Auvergne : Maison traditionnelle en Pis\u00e9.<\/li>\n<li>France : Lyon, L&rsquo;Orangerie (2020) par le promoteur OGIC<\/li>\n<\/ul>\n<\/li>\n<li>La Terre, un nom diff\u00e9rent selon la taille des grains :\n<ul>\n<li>Cailloux : 20-100 mm (tamis grille 20 mm) : Moyenne = 100-20=40; 40+20 = 60mm = R:30<\/li>\n<li>Graviers : 2 &#8211; 20 mm (tamis maille 2 mm)<\/li>\n<li>Sable : 0.5 &#8211; 2 mm (tamis maille 0.5 mm)\n<ul>\n<li>Sous total Pis\u00e9 : 50% \u00e0 70%<\/li>\n<\/ul>\n<\/li>\n<li>Limon\/silt : 2 -50 microns : pis\u00e9 15% \u00e0 30% (lavage + d\u00e9cantation dynamique)<\/li>\n<li>Argiles : &lt; 2 microns : pis\u00e9 5% \u00e0 20% (Lavage + d\u00e9cantation statique)<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Cercles_d%27Apollonius_(fractale)\">Empilement Apollinien<\/a> ou <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Empilement_compact\">empilements compacts<\/a>\n<ul>\n<li>Agencement de mat\u00e9riaux de diff\u00e9rentes taille dans des proportions dont le m\u00e9lange et l&rsquo;agencement pr\u00e9sente le volume de vide minimum.<\/li>\n<li>=&gt; d\u00e9termine La proportions des 5 cat\u00e9gories de terre\n<ul>\n<li>Courbure = K : 1\/R (rayon du grain) : <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Courbure_d%27un_arc\">https:\/\/fr.wikipedia.org\/wiki\/Courbure_d%27un_arc<\/a><\/li>\n<li>Le rayon R4 d&rsquo;un cercle inscrit (tangent) \u00e0 3 cercles de diam\u00e8tres diff\u00e9rents (R1,R2,R3 de courbure K1,K2,K3) est 1\/K4 selon :<\/li>\n<li>\n<div class=\"math-block\" data-math=\"k_4 = k_1 + k_2 + k_3 \\pm 2\\sqrt{k_1k_2 + k_2k_3 + k_3k_1}\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"svg-align\"><span class=\"mord\"><span class=\"msupsub\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/CercleInscrit.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5627\" src=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/CercleInscrit.jpg\" alt=\"\" width=\"501\" height=\"79\" \/><\/a><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/div>\n<\/li>\n<li>nous pouvons ajouter <span class=\"texhtml\">2\u00d73<sup><i>n<\/i><\/sup><\/span> nouveaux cercles \u00e0 l&rsquo;\u00e9tape <span class=\"texhtml mvar\">n<\/span>, donnant un total de <span class=\"texhtml\">3<sup><i>n<\/i>+1<\/sup>+2<\/span> cercles apr\u00e8s <span class=\"texhtml mvar\">n<\/span> \u00e9tapes.<\/li>\n<li>Chaque \u00e9tape : 2*3^n (n = N\u00b0 \u00e9tape de 0 \u00e0 n)<\/li>\n<li>Dimension fractale : 2.47 : <a href=\"https:\/\/oeis.org\/A187089\">https:\/\/oeis.org\/A187089<\/a>\n<ul>\n<li>article dimension fractale cercles apolliniens\u00a0 :\u00a0<a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/borkovec1994fractal.pdf\">borkovec1994fractal<\/a><\/li>\n<li>Si 2 cercles tangents de rayon R, alors la position des 2 cercles tangents aux 2 premiers =<\/li>\n<li>O1 [0,0]; 02 [0,2R] =&gt; 03 [R, +\/- (3R^2)^(1\/2)]<\/li>\n<li>Le rayon du cercle inscrit dans l&rsquo;espace entre 3 cercles tangents de rayon R est de R*0,15470053837925152901829756100391 (=2\/sqr(3) &#8211; 1)<\/li>\n<\/ul>\n<\/li>\n<li>Total n \u00e9tape : 3 ^(n+1) + 2<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table border=\"0\" frame=\"VOID\" rules=\"NONE\" cellspacing=\"0\">\n<colgroup>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"99\" \/>\n<col width=\"86\" \/><\/colgroup>\n<tbody>\n<tr>\n<td align=\"LEFT\" width=\"86\" height=\"17\"><\/td>\n<td align=\"LEFT\" width=\"86\"><\/td>\n<td align=\"LEFT\" width=\"86\"><\/td>\n<td align=\"LEFT\" width=\"86\"><\/td>\n<td align=\"LEFT\" width=\"86\"><\/td>\n<td align=\"LEFT\" width=\"86\"><\/td>\n<td align=\"LEFT\" width=\"99\"><\/td>\n<td align=\"RIGHT\" width=\"86\">74,37%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ITEM<\/td>\n<td align=\"LEFT\">RAYON<\/td>\n<td align=\"LEFT\">ITEM_K<\/td>\n<td align=\"LEFT\">1\/R<\/td>\n<td align=\"LEFT\">Surface<\/td>\n<td align=\"LEFT\">Nb<\/td>\n<td align=\"LEFT\">Surface Totale<\/td>\n<td align=\"LEFT\">Taux<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">R0<\/td>\n<td align=\"RIGHT\">53,87<\/td>\n<td align=\"LEFT\">K0<\/td>\n<td align=\"RIGHT\">0,02<\/td>\n<td align=\"RIGHT\">9115,99<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"RIGHT\">8040,82<\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X1<\/td>\n<td align=\"RIGHT\">25<\/td>\n<td align=\"LEFT\">K1<\/td>\n<td align=\"RIGHT\">0,04<\/td>\n<td align=\"RIGHT\">1963,5<\/td>\n<td align=\"RIGHT\">3<\/td>\n<td align=\"RIGHT\">5890,49<\/td>\n<td align=\"RIGHT\">73,26%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X2<\/td>\n<td align=\"RIGHT\">3,87<\/td>\n<td align=\"LEFT\">K2<\/td>\n<td align=\"RIGHT\">0,26<\/td>\n<td align=\"RIGHT\">46,99<\/td>\n<td align=\"RIGHT\">1<\/td>\n<td align=\"RIGHT\">46,99<\/td>\n<td align=\"RIGHT\">0,58%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X3<\/td>\n<td align=\"RIGHT\">1,57<\/td>\n<td align=\"LEFT\">K3<\/td>\n<td align=\"RIGHT\">0,64<\/td>\n<td align=\"RIGHT\">7,74<\/td>\n<td align=\"RIGHT\">3<\/td>\n<td align=\"RIGHT\">23,22<\/td>\n<td align=\"RIGHT\">0,29%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X4<\/td>\n<td align=\"RIGHT\">0,55<\/td>\n<td align=\"LEFT\">K4<\/td>\n<td align=\"RIGHT\">1,83<\/td>\n<td align=\"RIGHT\">0,94<\/td>\n<td align=\"RIGHT\">6<\/td>\n<td align=\"RIGHT\">5,62<\/td>\n<td align=\"RIGHT\">0,07%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X5<\/td>\n<td align=\"RIGHT\">0,85<\/td>\n<td align=\"LEFT\">K5<\/td>\n<td align=\"RIGHT\">1,18<\/td>\n<td align=\"RIGHT\">2,27<\/td>\n<td align=\"RIGHT\">3<\/td>\n<td align=\"RIGHT\">6,82<\/td>\n<td align=\"RIGHT\">0,08%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X6<\/td>\n<td align=\"RIGHT\">0,53<\/td>\n<td align=\"LEFT\">K6<\/td>\n<td align=\"RIGHT\">1,87<\/td>\n<td align=\"RIGHT\">0,89<\/td>\n<td align=\"RIGHT\">3<\/td>\n<td align=\"RIGHT\">2,68<\/td>\n<td align=\"RIGHT\">0,03%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">X7<\/td>\n<td align=\"RIGHT\">0,37<\/td>\n<td align=\"LEFT\">K7<\/td>\n<td align=\"RIGHT\">2,73<\/td>\n<td align=\"RIGHT\">0,42<\/td>\n<td align=\"RIGHT\">10<\/td>\n<td align=\"RIGHT\">4,21<\/td>\n<td style=\"padding-left: 40px;\" align=\"RIGHT\">0,05%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>Calcul de l&rsquo;espace libre entre 3 cercles tangents de m\u00eame rayon :<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/Air_libre_cerle-tangent.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5629\" src=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/Air_libre_cerle-tangent.jpg\" alt=\"\" width=\"699\" height=\"276\" \/><\/a><\/p>\n<ul>\n<li>Solidification :\n<ul>\n<li>L&rsquo;argile forme des feuilles microscopique qui en pr\u00e9sence d&rsquo;eau vont se lier par capillarit\u00e9. Cette eau reste en place tout au long de la vie du mat\u00e9riaux (eau z\u00e9olithe).\n<ul>\n<li>Trop d&rsquo;eau se d\u00e9lite (boue), pas d&rsquo;eau assez =&gt; s&rsquo;effrite.<\/li>\n<\/ul>\n<\/li>\n<li>Possible ajout de solidifiant en faible quantit\u00e9 : Chaux (cendre de bois ?) ou ciment.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Renforcement Pis\u00e9 par bio calcification<\/h2>\n<ul>\n<li>Suite\u00a0 :\n<ul>\n<li>article science et vie<\/li>\n<li>Prez \u00e9tudiant Saclay (Bio Ciment 2021 journ\u00e9e entreprenariat \u00e9tudiant )<\/li>\n<li>article \u00ab\u00a0Hendrik Marius JONKERS\u00a0\u00bb bio ciment (2015)<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Ginger_Krieg_Dosier\">https:\/\/en.wikipedia.org\/wiki\/Ginger_Krieg_Dosier<\/a>\u00a0Et sa soci\u00e9t\u00e9 <a href=\"https:\/\/biomason.com\/\">https:\/\/biomason.com\/<\/a> BioMason<\/li>\n<li>Article :<\/li>\n<\/ul>\n<\/li>\n<li>Principe :\n<ul>\n<li>MICP\u00a0 Microbiologique Induce Calcite Pecipitation :\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Microbiologically_induced_calcite_precipitation\">https:\/\/en.wikipedia.org\/wiki\/Microbiologically_induced_calcite_precipitation<\/a><\/li>\n<li>Beneficial factors for biomineralization by ureolytic bacterium Sporosarcina pasteurii <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6979283\/\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6979283\/<\/a> &#8211;<\/li>\n<li><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2023\/02\/IngridAppen_report.pdf\">Exploring the Capabilities of Sporosarcina Pasteurii in Microbially Induced Calcite Precipitation<\/a>\n<ul>\n<li>Ingrid Appen, Hao-Yu Lo, Leo Lin, Hsin-hsin Tung \/ August 2024<\/li>\n<li><\/li>\n<\/ul>\n<\/li>\n<li><\/li>\n<\/ul>\n<\/li>\n<li>ID =&gt; ajouter bact\u00e9rie + nutriment (Lactate de Calcium ou Chlorure de Calcium [Calcaire + Acide Chlorhydrique] ) au m\u00e9lange de terre avant ajout d&rsquo;eau (+ Ur\u00e9e \/ Urine ?) et compression =&gt; Renforcement par la production de calcium par les bact\u00e9ries qui \u00ab\u00a0soude\u00a0\u00bb les particules de mati\u00e8re.<\/li>\n<li>Bact\u00e9ries :\n<ul>\n<li>spore <a href=\"https:\/\/en.wikipedia.org\/wiki\/Sporosarcina_pasteurii\">Sporosarcina pasteurii<\/a> \u00a0(latent pendant 200 ans) (fiche en anglais + compl\u00e8te) + nutriment : Lactate de calcium (additif alimentaire E327 : 80\u20ac\/kg environ) ou bien <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Chlorure_de_calcium\">Chlorure de Calcium<\/a> (Additif alimentaire E509)<\/li>\n<li>\u00a0En pr\u00e9sence d&rsquo;eau ET d&rsquo;OXYGENE , comble en 3 semaines des espaces de 0.8mm max en transformant le Lactate de calcium en calcium.<\/li>\n<li>Avec ce l&rsquo;ur\u00e9e : Transformation de l&rsquo;ur\u00e9e (en pr\u00e9sence d&rsquo;oxyg\u00e8ne =&gt; int\u00e9r\u00eat si compression ?) en Carbonate de Calcium et Ammoniaque (cela doit donc un peu sentir \ud83d\ude42 )<\/li>\n<li>=&gt; Trouver des solution pour g\u00e9n\u00e9rer de l&rsquo;oxyg\u00e8ne \u00ab\u00a0in situ\u00a0\u00bb =&gt;\n<ul>\n<li>Mettre sous pression ?<\/li>\n<li>R\u00e9action chimique lente (ORC : Oxygene Releasing Compound) : calcium peroxide (164\u20ac\/500g) and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Magnesium_peroxide\">magnesium peroxide<\/a> (les enrober dans un gel pour une r\u00e9action progressive ?)<\/li>\n<li>Avec de l&rsquo;oxyde de magn\u00e9sium =&gt; Utiliser de l&rsquo;eau Oxyg\u00e9n\u00e9e =&gt; MgO + H2O2 =&gt; MgO2 =&gt;&gt; MgO2 + H2O =&gt; MgO + O2<\/li>\n<li>Nb : MgO et MgO2 coutent qq \u20ac le Kg<\/li>\n<li>Combo gagnant ? =&gt; <a href=\"https:\/\/en.wikipedia.org\/wiki\/Zinc_peroxide\">Peroxyde de Zinc<\/a> (les bact\u00e9rie on besoin de Zn et de O2) (210$\/kg)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>ID =&gt; compression par vide d&rsquo;air ?\n<ul>\n<li>+ ajout d&rsquo;O2 en phase de d\u00e9compression pour favoriser la croissance bact\u00e9rienne a\u00e9robie (si ur\u00e9e)<\/li>\n<\/ul>\n<\/li>\n<li>ID =&gt; Compression par ultrasons ?<\/li>\n<li>ID =&gt; Trier les Limons et Argiles par lavage (comme les chercheurs d&rsquo;Or)<\/li>\n<li>ID =&gt; Briques esprit lego : modulaire + trou + picot pour emboitement =&gt; pas de ciment<\/li>\n<\/ul>\n<p>Protocole (\u00e0 tester)<\/p>\n<ul>\n<li>M\u00e9lange Terre :<\/li>\n<\/ul>\n<table border=\"0\" frame=\"VOID\" rules=\"NONE\" cellspacing=\"0\">\n<colgroup>\n<col width=\"86\" \/>\n<col width=\"86\" \/><\/colgroup>\n<tbody>\n<tr>\n<td align=\"LEFT\" width=\"86\" height=\"17\">TYPE<\/td>\n<td align=\"LEFT\" width=\"86\">%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">CAILLOUX<\/td>\n<td align=\"RIGHT\">15,00%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">GRAVIER<\/td>\n<td align=\"RIGHT\">32,80%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">SABLE<\/td>\n<td align=\"RIGHT\">14,49%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">LIMON<\/td>\n<td align=\"RIGHT\">18,03%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ARGILE<\/td>\n<td align=\"RIGHT\">9,41%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">EAU<\/td>\n<td align=\"RIGHT\">10,28%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\"><\/td>\n<td align=\"RIGHT\">100,00%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"padding-left: 40px;\">Dans le tableau ci-dessous : pour chaque ligne :\u00a0 Quantit\u00e9 = Quantit\u00e9 l-1 * 15% et Taille l-1\u00a0 *18%<\/p>\n<table border=\"0\" frame=\"VOID\" rules=\"NONE\" cellspacing=\"0\">\n<colgroup>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"86\" \/>\n<col width=\"75\" \/>\n<col width=\"86\" \/>\n<col width=\"99\" \/><\/colgroup>\n<tbody>\n<tr>\n<td align=\"LEFT\" width=\"86\" height=\"17\">TYPE<\/td>\n<td align=\"LEFT\" width=\"86\">Total 0,15<\/td>\n<td align=\"LEFT\" width=\"86\">POIDS<\/td>\n<td align=\"LEFT\" width=\"86\">SOLDE<\/td>\n<td align=\"LEFT\" width=\"75\">Taille 0,18<\/td>\n<td align=\"LEFT\" width=\"86\">TOTAL%<\/td>\n<td align=\"LEFT\" width=\"99\">SOLDE%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\"><\/td>\n<td align=\"RIGHT\">1000<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\">1000,00<\/td>\n<td align=\"LEFT\">Taille<\/td>\n<td align=\"RIGHT\">89,72%<\/td>\n<td align=\"RIGHT\">10,28%<\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">CAILLOUX<\/td>\n<td align=\"RIGHT\">150,00<\/td>\n<td align=\"RIGHT\">15,00%<\/td>\n<td align=\"LEFT\">850,00<\/td>\n<td align=\"RIGHT\">30,00<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">GRAVIER<\/td>\n<td align=\"RIGHT\">127,50<\/td>\n<td align=\"RIGHT\">12,75%<\/td>\n<td align=\"LEFT\">722,50<\/td>\n<td align=\"RIGHT\">16,67<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">GRAVIER<\/td>\n<td align=\"RIGHT\">108,38<\/td>\n<td align=\"RIGHT\">10,84%<\/td>\n<td align=\"LEFT\">614,13<\/td>\n<td align=\"RIGHT\">9,26<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">GRAVIER<\/td>\n<td align=\"RIGHT\">92,12<\/td>\n<td align=\"RIGHT\">9,21%<\/td>\n<td align=\"LEFT\">522,01<\/td>\n<td align=\"RIGHT\">5,14<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">SABLE<\/td>\n<td align=\"RIGHT\">78,30<\/td>\n<td align=\"RIGHT\">7,83%<\/td>\n<td align=\"LEFT\">443,71<\/td>\n<td align=\"RIGHT\">2,86<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">SABLE<\/td>\n<td align=\"RIGHT\">66,56<\/td>\n<td align=\"RIGHT\">6,66%<\/td>\n<td align=\"LEFT\">377,15<\/td>\n<td align=\"RIGHT\">1,59<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">LIMON<\/td>\n<td align=\"RIGHT\">56,57<\/td>\n<td align=\"RIGHT\">5,66%<\/td>\n<td align=\"LEFT\">320,58<\/td>\n<td align=\"RIGHT\">0,88<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">LIMON<\/td>\n<td align=\"RIGHT\">48,09<\/td>\n<td align=\"RIGHT\">4,81%<\/td>\n<td align=\"LEFT\">272,49<\/td>\n<td align=\"RIGHT\">0,49<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">LIMON<\/td>\n<td align=\"RIGHT\">40,87<\/td>\n<td align=\"RIGHT\">4,09%<\/td>\n<td align=\"LEFT\">231,62<\/td>\n<td align=\"RIGHT\">0,27<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">LIMON<\/td>\n<td align=\"RIGHT\">34,74<\/td>\n<td align=\"RIGHT\">3,47%<\/td>\n<td align=\"LEFT\">196,87<\/td>\n<td align=\"RIGHT\">0,15<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ARGILE<\/td>\n<td align=\"RIGHT\">29,53<\/td>\n<td align=\"RIGHT\">2,95%<\/td>\n<td align=\"LEFT\">167,34<\/td>\n<td align=\"RIGHT\">0,08<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ARGILE<\/td>\n<td align=\"RIGHT\">25,10<\/td>\n<td align=\"RIGHT\">2,51%<\/td>\n<td align=\"LEFT\">142,24<\/td>\n<td align=\"RIGHT\">0,05<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ARGILE<\/td>\n<td align=\"RIGHT\">21,34<\/td>\n<td align=\"RIGHT\">2,13%<\/td>\n<td align=\"LEFT\">120,91<\/td>\n<td align=\"RIGHT\">0,03<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<tr>\n<td align=\"LEFT\" height=\"17\">ARGILE<\/td>\n<td align=\"RIGHT\">18,14<\/td>\n<td align=\"RIGHT\">1,81%<\/td>\n<td align=\"LEFT\">102,77<\/td>\n<td align=\"RIGHT\">0,01<\/td>\n<td align=\"LEFT\"><\/td>\n<td align=\"LEFT\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>Additif\n<ul>\n<li>spore\u00a0 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Sporosarcina_pasteurii\">Sporosarcina pasteur<\/a> (dosage ?)<\/li>\n<li><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Chlorure_de_calcium\">Chlorure de Calcium<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Eau adjectiv\u00e9e :\n<ul>\n<li>Eau + Ur\u00e9e\u00a0 ou bien Urine\u00a0 = 2% Ur\u00e9e (\u00e9vaporation pour augmenter le titre) (dosage ?)<\/li>\n<\/ul>\n<\/li>\n<li>M\u00e9langer :\n<ul>\n<li>(dosage ?)<\/li>\n<\/ul>\n<\/li>\n<li>Mouler<\/li>\n<li>Comprimer (ou pas ?)<\/li>\n<li>D\u00e9veloppement :\n<ul>\n<li>Temps ? 24:00 ?<\/li>\n<\/ul>\n<\/li>\n<li>Demouler<\/li>\n<li>S\u00e9chage (?)<\/li>\n<\/ul>\n<h2>Personnes \/ contacts :<\/h2>\n<ul>\n<li>K\u00e9vin BECK1, Leslie SAPIN2, Annette ESNAULT-FILET2<br \/>\n1 Laboratoire de m\u00e9canique Gabriel Lam\u00e9 &#8211; LaM\u00e9 EA 7494, Universit\u00e9 d\u2019Orl\u00e9ans, 8 rue L\u00e9onard de Vinci,<br \/>\n45072 Orl\u00e9ans France<\/li>\n<li>Gauthier LECLERCQ\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0https:\/\/lmps.ens-paris-saclay.fr\/fr\/annuaire-des-personnes\/gauthier-leclercq\n<ul>\n<li>gauthier.leclercq@ens-paris-saclay.fr<\/li>\n<li>Th\u00e9se 12\/2025 : Traitement par bio-min\u00e9ralisation d\u2019un biochar de boues us\u00e9es en vue de son incorporation dans des mat\u00e9riaux cimentaires bas carbone\n<ul>\n<li>https:\/\/lmps.ens-paris-saclay.fr\/fr\/agenda\/soutenance-de-these-de-gauthier-leclercq<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Suite visite cit\u00e9e des sciences La villette 11\/02\/2023 : JOURN\u00c9ES FEMMES ING\u00c9NIEURES Pr\u00e9sentation de la construction de b\u00e2timent en Pis\u00e9 (Terre humide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4882","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4882"}],"version-history":[{"count":17,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4882\/revisions"}],"predecessor-version":[{"id":5650,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4882\/revisions\/5650"}],"wp:attachment":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4882"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}