{"id":1342,"date":"2018-06-13T10:00:02","date_gmt":"2018-06-13T13:00:02","guid":{"rendered":"https:\/\/www.ufrgs.br\/iicd\/?p=1342"},"modified":"2018-03-05T18:13:09","modified_gmt":"2018-03-05T21:13:09","slug":"garrafas-pet-podem-dar-mais-sustentacao","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/iicd\/2018\/06\/13\/garrafas-pet-podem-dar-mais-sustentacao\/","title":{"rendered":"Garrafas PET podem dar mais sustenta\u00e7\u00e3o!"},"content":{"rendered":"<p>O concreto \u00e9, depois da \u00e1gua, o segundo material mais utilizado no planeta. A fabrica\u00e7\u00e3o de\u00a0concreto gera cerca de 4,5 por cento das emiss\u00f5es de di\u00f3xido de carbono induzidas pelo\u00a0homem.<\/p>\n<p>Estudantes de gradua\u00e7\u00e3o do MIT &#8211; Massachusetts Institute of Technology descobriram que, ao\u00a0expor os flocos de pl\u00e1stico a doses pequenas e inofensivas de radia\u00e7\u00e3o gama, transforando os\u00a0flocos em p\u00f3 fino, e misturando este pl\u00e1stico irradiado com pasta de cimento e cinzas podem<br \/>\nproduzir um concreto que \u00e9 at\u00e9 15% mais forte que o concreto convencional.<\/p>\n<p>Outros estudos tentaram introduzir o pl\u00e1stico em misturas de cimento, mas o pl\u00e1stico\u00a0enfraqueceu o concreto resultante. Atrav\u00e9s de pesquisas eles descobriram que a exposi\u00e7\u00e3o de\u00a0pl\u00e1stico a doses de radia\u00e7\u00e3o gama faz com que a estrutura cristalina do material mude de\u00a0forma que o pl\u00e1stico se torne mais forte, mais r\u00edgido e mais resistente.<\/p>\n<p>N\u00e3o h\u00e1 radioatividade residual desse tipo de irradia\u00e7\u00e3o, pois os raios gama s\u00e3o um tipo\u00a0diferente de radia\u00e7\u00e3o que, na maioria das circunst\u00e2ncias, n\u00e3o deixa vest\u00edgios de radia\u00e7\u00e3o.<\/p>\n<p>Saiba mais <a href=\"http:\/\/news.mit.edu\/2017\/fortify-concrete-adding-recycled-plastic-1025\">aqui<\/a>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O concreto \u00e9, depois da \u00e1gua, o segundo material mais utilizado no planeta. A fabrica\u00e7\u00e3o de\u00a0concreto gera cerca de 4,5 por cento das emiss\u00f5es de di\u00f3xido de carbono induzidas pelo\u00a0homem. Estudantes de gradua\u00e7\u00e3o do MIT &#8211; Massachusetts Institute of Technology descobriram que, ao\u00a0expor os flocos de pl\u00e1stico a doses pequenas e inofensivas de radia\u00e7\u00e3o gama, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[4],"tags":[3,14],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IICD - Instituto de Inova\u00e7\u00e3o, Competitividade e Design -<\/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:\/\/www.ufrgs.br\/iicd\/2018\/06\/13\/garrafas-pet-podem-dar-mais-sustentacao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IICD - Instituto de Inova\u00e7\u00e3o, Competitividade e Design -\" \/>\n<meta property=\"og:description\" content=\"O concreto \u00e9, depois da \u00e1gua, o segundo material mais utilizado no planeta. A fabrica\u00e7\u00e3o de\u00a0concreto gera cerca de 4,5 por cento das emiss\u00f5es de di\u00f3xido de carbono induzidas pelo\u00a0homem. Estudantes de gradua\u00e7\u00e3o do MIT &#8211; Massachusetts Institute of Technology descobriram que, ao\u00a0expor os flocos de pl\u00e1stico a doses pequenas e inofensivas de radia\u00e7\u00e3o gama, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ufrgs.br\/iicd\/2018\/06\/13\/garrafas-pet-podem-dar-mais-sustentacao\/\" \/>\n<meta property=\"og:site_name\" content=\"IICD - Instituto de Inova\u00e7\u00e3o, Competitividade e Design\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/IICD.UFRGS\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-06-13T13:00:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-05T21:13:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ufrgs.br\/iicd\/wp-content\/uploads\/2018\/03\/Imagem1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"789\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.ufrgs.br\/iicd\/#organization\",\"name\":\"IICD - 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