{"id":21503,"date":"2021-02-04T14:16:12","date_gmt":"2021-02-04T20:16:12","guid":{"rendered":"https:\/\/otech.uaeh.edu.mx\/noti\/?p=21503"},"modified":"2021-02-04T14:16:12","modified_gmt":"2021-02-04T20:16:12","slug":"cientificos-australianos-prometen-carreteras-mas-resistentes-usando-mascarillas-de-un-solo-uso-recicladas","status":"publish","type":"post","link":"https:\/\/otech.uaeh.edu.mx\/noti\/ecologia\/cientificos-australianos-prometen-carreteras-mas-resistentes-usando-mascarillas-de-un-solo-uso-recicladas\/","title":{"rendered":"Cient\u00edficos australianos prometen carreteras m\u00e1s resistentes usando m\u00e1scarillas de un s\u00f3lo uso recicladas"},"content":{"rendered":"<p style=\"text-align: justify;\">Los cient\u00edficos de la Universidad RMIT de Australia no paran de buscar formas de convertir los residuos recuperados en materiales para carreteras de alto rendimiento, como colillas de cigarrillos,\u00a0neum\u00e1ticos desechados\u00a0y\u00a0residuos de la construcci\u00f3n.<!--more--><\/p>\n<p style=\"text-align: justify;\">Su \u00faltimo esfuerzo es importante en un momento en el que el mundo se enfrenta a su segundo a\u00f1o de pandemia de coronavirus, ya que los investigadores\u00a0<strong>usan m\u00e1scaras faciales trituradas en un material para carreteras<\/strong>\u00a0que, seg\u00fan dicen, ofrece algunas ventajas de ingenier\u00eda \u00fanicas.<\/p>\n<p style=\"text-align: justify;\">Seg\u00fan el equipo de investigaci\u00f3n, cada d\u00eda se usan en el mundo unos 6.800 millones de mascarillas desechables, lo que genera cantidades ingentes de residuos.<\/p>\n<p style=\"text-align: justify;\">Los cient\u00edficos trataron de aprovechar parte de estos residuos convirti\u00e9ndolos en lo que se conoce como\u00a0<strong>agregado de hormig\u00f3n reciclado (RCA)<\/strong>, que se fabrica a partir de escombros de construcci\u00f3n procesados y suele formar parte de las capas que componen una carretera.<\/p>\n<p style=\"text-align: justify;\">El equipo experiment\u00f3 con diferentes recetas de RCA que inclu\u00edan distintas concentraciones de m\u00e1scaras quir\u00fargicas trituradas, que est\u00e1n formadas por capas de pl\u00e1stico no tejidas.<\/p>\n<p style=\"text-align: justify;\">La mezcla ideal result\u00f3 ser un 1% de mascarillas trituradas y un 99% de RCA, que, seg\u00fan las pruebas, cumpl\u00eda las normas de ingenier\u00eda civil requeridas para su uso como las tres capas base de una carretera.<\/p>\n<figure class=\"wp-block-image size-large is-style-default\" style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-116608\" src=\"https:\/\/ecoinventos.com\/wp-content\/uploads\/2021\/02\/Mascarillas-carreteras2.jpg\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/ecoinventos.com\/wp-content\/uploads\/2021\/02\/Mascarillas-carreteras2.jpg 1200w, https:\/\/ecoinventos.com\/wp-content\/uploads\/2021\/02\/Mascarillas-carreteras2-300x180.jpg 300w, https:\/\/ecoinventos.com\/wp-content\/uploads\/2021\/02\/Mascarillas-carreteras2-768x461.jpg 768w\" alt=\"\" width=\"1200\" height=\"721\" \/><\/figure>\n<p style=\"text-align: justify;\">Adem\u00e1s, el equipo descubri\u00f3 que la suma del material de la m\u00e1scara\u00a0<strong>mejoraba la ductilidad y la flexibilidad de la mezcla de RCA<\/strong>.<\/p>\n<blockquote class=\"wp-block-quote\"><p>Este estudio inicial examin\u00f3 la viabilidad de reciclar mascarillas de un solo uso para hacer carreteras y nos entusiasm\u00f3 descubrir que no s\u00f3lo funciona, sino que tambi\u00e9n aporta beneficios reales de ingenier\u00eda. Esperamos que esto abra la puerta a nuevas investigaciones, para trabajar en las formas de gestionar los riesgos para la salud y la seguridad a escala e investigar si otros tipos de EPI (equipos de protecci\u00f3n personal) tambi\u00e9n ser\u00edan adecuados para el reciclaje.<\/p>\n<p><cite>Dr. Mohammad Saberian.<\/cite><\/p><\/blockquote>\n<p style=\"text-align: justify;\">Los cient\u00edficos afirman que si su nuevo material se usa para\u00a0<strong>construir una carretera de dos carriles de un kil\u00f3metro de longitud, se usar\u00edan unos tres millones de m\u00e1scaras<\/strong>\u00a0y se evitar\u00edan 93 toneladas de residuos que ir\u00edan a parar al vertedero.<\/p>\n<p style=\"text-align: justify;\">Est\u00e1 claro que la log\u00edstica para reunir estas m\u00e1scaras y convertirlas en material para carreteras supone un reto totalmente distinto, pero el equipo espera que su estudio pueda ayudar a inspirar un cambio en la forma de ver las consecuencias medioambientales de la pandemia.<\/p>\n<blockquote class=\"wp-block-quote\"><p>Sabemos que, aunque estas m\u00e1scarillas se eliminen adecuadamente, ir\u00e1n a parar a un vertedero o se incinerar\u00e1n. La pandemia de COVID-19 no s\u00f3lo ha creado una crisis sanitaria y econ\u00f3mica mundial, sino que tambi\u00e9n ha tenido efectos dram\u00e1ticos en el medio ambiente. Si podemos la econom\u00eda circular a este enorme problema de los residuos, podremos desarrollar las soluciones inteligentes y sostenibles que necesitamos.<\/p><\/blockquote>\n<p style=\"text-align: justify;\">Fuente:<\/p>\n<p style=\"text-align: justify;\">R. (2021d, febrero 4). Cient\u00edficos australianos prometen carreteras m\u00e1s resistentes usando m\u00e1scarillas de un s\u00f3lo uso recicladas. Recuperado 4 de febrero de 2021, de https:\/\/ecoinventos.com\/carreteras-mas-resistentes-usando-mascarillas-recicladas\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los cient\u00edficos de la Universidad RMIT de Australia no paran de buscar formas de convertir los residuos recuperados en materiales para carreteras de alto rendimiento, como colillas de cigarrillos,\u00a0neum\u00e1ticos desechados\u00a0y\u00a0residuos de la construcci\u00f3n.<\/p>\n","protected":false},"author":1,"featured_media":21504,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[372],"tags":[],"class_list":["post-21503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cient\u00edficos australianos prometen carreteras m\u00e1s resistentes 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