{"id":212,"date":"2019-05-14T10:24:00","date_gmt":"2019-05-14T10:24:00","guid":{"rendered":"https:\/\/olgapayan.com\/?p=212"},"modified":"2025-03-27T14:48:01","modified_gmt":"2025-03-27T14:48:01","slug":"formigo-roma","status":"publish","type":"post","link":"https:\/\/olgapayan.com\/es\/formigo-roma\/","title":{"rendered":"El Secreto del Antiguo Hormig\u00f3n Romano"},"content":{"rendered":"<div class=\"et_d4_element et_pb_section et_pb_section_0  et_pb_css_mix_blend_mode et_section_specialty et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_row et_block_row et_d4_element\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_3_4 et_pb_column et_pb_column_0   et_pb_specialty_column  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row_inner et_pb_row_inner_0  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_pb_column et_pb_column_4_4 et_d4_element et_pb_column_inner et_pb_column_inner_0  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h2>EL SECRET DE L'ANTIC FORMIG\u00d3 ROM\u00c0\u00a0<\/h2><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p>Encara que les construccions modernes de formig\u00f3 s'ensorren al cap d'unes poques d\u00e8cades, sobre si estan situades a prop d'ambients marins, les antigues estructures romanes, no nom\u00e9s es mantenen dempeus, sin\u00f3 que s\u00f3n fins i tot m\u00e9s estables i fortes que quan es van construir. Per\u00f2 quin \u00e9s el secret? Els investigadors han descobert que l\u201faigua de mar que es filtra a trav\u00e9s de l\u201festructura microsc\u00f2pica d\u201faquest formig\u00f3, origina el creixement d\u201funa s\u00e8rie de minerals que aporten una duresa afegida a aquestes antigues construccions.<\/p>\n<p>Els romans fabricaven el seu formig\u00f3 barrejant cendres volc\u00e0niques, cal\u00e7 i aigua de mar, per fer-ne el morter i despr\u00e9s incorporaven roca volc\u00e0nica. Aquesta barreja produeix una reacci\u00f3 anomenada puzzol\u00e0nica, en homenatge a la ciutat de Pozzuoli a la badia de N\u00e0pols, i s'utilitzava sistem\u00e0ticament en moltes de les construccions, com per exemple, les grans estructures que protegien els ports.<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap\"><img decoding=\"async\" width=\"640\" height=\"480\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano1_fe46605f.jpeg\" alt=\"\" title=\"hormigonromano1_fe46605f\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano1_fe46605f.jpeg 640w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano1_fe46605f-480x360.jpeg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 640px, 100vw\" class=\"wp-image-216 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/480;\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_2  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Perforaci\u00f3n en una antigua estructura romana. Proyecto ROMACONS<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_3  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p>Actualment al ciment Portland s'hi afegeixen agregats que han de reaccionar expandint-se i esquerdant el formig\u00f3 i destruint la majoria d'estructures modernes, per\u00f2 la realitat \u00e9s que aquests agregats acaben per facilitar l'aparici\u00f3 d'esquerdes que es van propagant per tot el material.<\/p>\n<p>Un estudi recollit pel projecte ROMACONS identifica, al formig\u00f3 rom\u00e0, uns minerals excepcionalment rars: la tobermorita aluminosa i la phillipsita. Van concloure que l'aigua del mar s'introdu\u00efa a l'estructura, dissolent els components de la cendra volc\u00e0nica, cosa que permet el creixement de vidres d'aquests minerals, molt similars als que es formen a les roques volc\u00e0niques, i que augmenten la resist\u00e8ncia del formig\u00f3 a la fractura. Aquest \u00e9s un proc\u00e9s semblant a la corrosi\u00f3, que, en canvi, seria molt perjudicial en els materials m\u00e9s moderns.<\/p>\n<p>Malauradament, encara que s'han estudiat els antics textos romans, la recepta no es coneix i no som capa\u00e7os de recrear els m\u00e8todes i les mescles per con\u00e8ixer de manera precisa totes les seves reaccions qu\u00edmiques i produir aquest tipus de formig\u00f3.<\/p><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_video et_pb_video_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_video_box\"><iframe title=\"How seawater strengthens Roman concrete\" width=\"1080\" height=\"608\" data-src=\"https:\/\/www.youtube.com\/embed\/ikH6Vmb0pog?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"0\"><\/iframe><\/div>\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p>Para saber m\u00e1s:<br \/><a href=\"https:\/\/unews.utah.edu\/roman-concrete\/?utm_medium=website&amp;utm_source=plataformaarquitectura.cl\" target=\"_blank\" rel=\"noopener\">https:\/\/unews.utah.edu\/roman-concrete\/?utm_medium=website&amp;utm_source=plataformaarquitectura.cl<\/a><\/p>\n<p><a href=\"http:\/\/blogs.tecnalia.com\/inspiring-blog\/2017\/05\/09\/tobermorita\/\" target=\"_blank\" rel=\"noopener\">http:\/\/blogs.tecnalia.com\/inspiring-blog\/2017\/05\/09\/tobermorita\/<\/a><\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_4 et_pb_column et_pb_column_1    et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h3>M\u00e1s noticias<\/h3><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_blog_0  et_pb_css_mix_blend_mode et_pb_posts et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_ajax_pagination_container\">\n\t\t\t\t\t\n\t\t\t<article id=\"post-807\" class=\"et_pb_post clearfix et_pb_blog_item_0_0 post-807 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/analisi-organoleptica-i-classificacio-dels-plastics-filmics-derivats-de-la-cellulosa\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-1080x675.jpg\" alt=\"An\u00e0lisi Organol\u00e8ptica I Classificaci\u00f3 Dels Pl\u00e0stics F\u00edlmics Derivats De La Cel\u00b7lulosa\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-980x551.jpg 980w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/Archivo-Di-Chiara-1920-1-480x270.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/analisi-organoleptica-i-classificacio-dels-plastics-filmics-derivats-de-la-cellulosa\/\">An\u00e1lisis Organol\u00e9ptico y Clasificaci\u00f3n de los Pl\u00e1sticos F\u00edlmicos Derivados de la Celulosa<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Mar 19, 2020<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>AN\u00c0LISI ORGANOL\u00c8PTICA I CLASSIFICACI\u00d3 DELS PL\u00c0STICS F\u00cdLMICS DERIVATS DE LA CEL\u00b7LULOSALa voluntat de conservar materials f\u00edlmics no \u00e9s quelcom nou. Des dels mateixos or\u00edgens de la cinematografia es va tenir consci\u00e8ncia de la seva import\u00e0ncia i al llarg de la hist\u00f2ria...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t\n\t\t\t<article id=\"post-199\" class=\"et_pb_post clearfix et_pb_blog_item_0_1 post-199 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/els-primers-materials-plastics\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000.jpg\" alt=\"Els primers materials pl\u00e0stics (I)\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000.jpg 1080w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/2006_RMA_02492_0215_000-480x489.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/els-primers-materials-plastics\/\">Los Primeros Materiales Pl\u00e1sticos (I)<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Ago 12, 2019<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>ELS PRIMERS MATERIALS PL\u00c0STICS (I)\u00a0Aire d'artista (Piero Manzoni)Es calcula que el 60 % dels milers de milions de tones de pl\u00e0stic fabricades fins ara suren als oceans o romanen dipositats en abocadors, per\u00f2 en aquest moment, malgrat que els pl\u00e0stics s'han convertit...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t\n\t\t\t<article id=\"post-798\" class=\"et_pb_post clearfix et_pb_blog_item_0_2 post-798 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/josep-gaspar-i-serra\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-762x675.jpg\" alt=\"Josep Gaspar I Serra\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-762x675.jpg 1080w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/04\/josep-gaspar-i-serra-480x645.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/josep-gaspar-i-serra\/\">Josep Gaspar I Serra<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">Jun 18, 2019<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>JOSEP GASPAR I SERRAJosep Gaspar i Serra va n\u00e9ixer a Manresa l\u2019any 1892 i va ser un dels documentalistes m\u00e9s importants dels inicis del cinema a Espanya; malauradament, gran part de la seva obra no s\u2019ha conservat. Aquest material, una c\u00f2pia positiva, va ser trobat...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t\n\t\t\t<article id=\"post-212\" class=\"et_pb_post clearfix et_pb_blog_item_0_3 post-212 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\n\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/formigo-roma\/\" class=\"entry-featured-image-url\"><img decoding=\"async\" data-src=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano2_36095886.jpeg\" alt=\"El secret de l&#8217;antic formig\u00f3 rom\u00e0\" width=\"1080\" height=\"675\" data-srcset=\"https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano2_36095886.jpeg 1080w, https:\/\/olgapayan.com\/wp-content\/uploads\/2025\/03\/hormigonromano2_36095886-480x320.jpeg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 1080px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/675;\" \/><\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"entry-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/olgapayan.com\/es\/formigo-roma\/\">El Secreto del Antiguo Hormig\u00f3n Romano<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t<p class=\"post-meta\"><span class=\"published\">May 14, 2019<\/span><\/p><div class=\"post-content\"><div class=\"post-content-inner et_multi_view_hidden\"><p>EL SECRET DE L'ANTIC FORMIG\u00d3 ROM\u00c0\u00a0Encara que les construccions modernes de formig\u00f3 s'ensorren al cap d'unes poques d\u00e8cades, sobre si estan situades a prop d'ambients marins, les antigues estructures romanes, no nom\u00e9s es mantenen dempeus, sin\u00f3 que s\u00f3n fins i tot m\u00e9s...<\/p>\n<\/div><\/div>\t\t\t\n\t\t\t<\/article>\n\t\t\t\t<div><div class=\"pagination clearfix\">\n\t<div class=\"alignleft\"><a href=\"https:\/\/olgapayan.com\/es\/wp-json\/wp\/v2\/posts\/212\/page\/2\/?et_blog\" >&laquo; Entradas Anteriores<\/a><\/div>\n\t<div class=\"alignright\"><\/div>\n<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t \n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":213,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:divi\/placeholder \/-->","_et_gb_content_width":"2880","footnotes":""},"categories":[1],"tags":[],"class_list":["post-212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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