{"id":57964,"date":"2018-05-09T00:00:00","date_gmt":"2018-05-08T22:00:00","guid":{"rendered":"https:\/\/richardvanhooijdonk.com\/blog\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\/"},"modified":"2021-07-22T09:52:02","modified_gmt":"2021-07-22T07:52:02","slug":"revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet","status":"publish","type":"post","link":"https:\/\/blog.richardvanhooijdonk.com\/en\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\/","title":{"rendered":"Revolutionary graphene-concrete could be an absolute game changer for construction &#8211; and the planet"},"content":{"rendered":"<ul class=\"bold-list\">\n<li>A super-material with apparently unlimited uses<\/li>\n<li>Concrete that\u2019s two times stronger than usual<\/li>\n<li>Contrary to fears, this is a commercially viable wonder-material<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blog.richardvanhooijdonk.com\/en\/keynote\/the-future-of-construction\/\">Concrete<\/a> is our most popular building material. It\u2019s strong, long lasting, and easy to make &#8211; and has been since the Romans first started using it. Unfortunately, it\u2019s also an environmental disaster: its primary ingredient, cement, accounts for 6 per cent of the world\u2019s carbon dioxide emissions. This is largely because of the amount of this material we produce every year &#8211; for instance, in 2017 alone, the world made 4,100 million tonnes of the stuff.<\/p>\n<p><iframe title=\"Revolutionary graphene-concrete could be an absolute game changer for construction - and the planet\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/FJ6DGcP_O_s?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Production on that scale is simply unsustainable, and following the Paris Agreement, intended to cut emissions and arrest global warming, it\u2019s clear that cement production needs to be reduced. But that\u2019s hard to do as the world\u2019s population is surging upward, demanding more housing and infrastructure. What we need is a way to use less concrete, and thus less cement, and still get all that building done.<\/p>\n<p>Now, scientists at Exeter University think they may have a solution. By mixing concrete with graphene, a wonder material that\u2019s essentially nothing more than carbon, they\u2019ve managed to produce a super-strong, super-resilient construction material. Can this breakthrough help us keep building the future, while helping to protect the environment?<\/p>\n<h2>A super-material with apparently unlimited uses<\/h2>\n<p>Graphene is a simple substance with complex properties. At its most basic, it\u2019s just a single layer of carbon atoms arranged in a hexagonal matrix, an ultra-thin strip of a pretty basic element. But what graphene can do is simply amazing.<\/p>\n<p>Graphene takes advantage of the strange properties of the nano-world. It\u2019s about as close to a 2D substance as you can imagine, but despite being ultra-thin, scientists are discovering that it\u2019s useful for virtually everything. Graphene is a semiconductor with a huge range of uses in electronics, from sensor-tech to LED screens, and it\u2019s being researched as a replacement for lithium batteries. In healthcare, its strange properties make it ideal for medical applications, and it\u2019s been demonstrated to be a potential carrier for life-saving medicine, allowing scientists to target the cells they want to receive a drug. It\u2019s been used experimentally to detect the regrowth of brain tumours. And from fuel cells to solar panels, this conductive, strong, ultra-lightweight material is everywhere in emerging tech. But for construction, graphene\u2019s most important quality is feather-weight super-strength.<\/p>\n<figure id=\"attachment_31861\" aria-describedby=\"caption-attachment-31861\" style=\"width: 801px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-31861 size-full\" src=\"https:\/\/blog.richardvanhooijdonk.com\/wp-content\/uploads\/sites\/4\/2019\/05\/concrete-1.jpg\" alt=\"A black and white photo of blocks of concrete\" width=\"801\" height=\"534\"><figcaption id=\"caption-attachment-31861\" class=\"wp-caption-text\">Graphene is a simple substance with complex properties.<\/figcaption><\/figure>\n<h2>Concrete that\u2019s two times stronger than usual<\/h2>\n<p>As the Berkeley Lab <a href=\"http:\/\/newscenter.lbl.gov\/2016\/02\/08\/graphene-is-strong-but-is-it-tough\/\">reports<\/a>, graphene \u201chas been touted as the strongest material known to exist, [and it\u2019s] 200 times stronger than steel [and] lighter than paper\u201d. That\u2019s a winning combination for construction, and Monica Craciun, a professor of nanoscience in the Engineering Department at the University of Exeter, wondered if it could be the miracle ingredient in \u2018green\u2019 concrete. She suspended graphene in water, and then used this wonder-liquid as an ingredient for her concrete blocks. When she tested them, her team was amazed: the concrete was two times stronger than usual, four times more water resistant, and far more elastic. That\u2019s a greater improvement than anyone anticipated, and together, that means that half the material can be used while still outlasting conventional concrete.<\/p>\n<p>That could mean cutting CO2 emissions in half while still providing the material for housing, dams, buildings, and bridges. As Craciun <a href=\"https:\/\/www.theguardian.com\/environment\/2018\/apr\/23\/graphene-a-game-changer-in-making-building-with-concrete-greener\">explains<\/a>, \u201cOur cities face a growing pressure from global challenges on pollution, sustainable urbanisation and resilience to catastrophic natural events. This new composite material is an absolute game-changer in terms of reinforcing traditional concrete to meet these needs.\u201d<\/p>\n<p><iframe title=\"Graphene-Based Cement, graphene concrete\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/cTniHrTMinM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2>Contrary to fears, this is a commercially viable wonder-material<\/h2>\n<p>But not everyone is convinced that this new graphene-concrete is commercially viable. Though excited by its possibilities, Franz-Josef Ulm, the director of the Concrete Sustainability Hub at MIT, worries about the high cost of graphene, given just how much concrete we use. But as Craciun <a href=\"https:\/\/www.newcivilengineer.com\/tech-excellence\/graphene-super-concrete-could-cut-carbon-emissions\/10030402.article\">explains<\/a>, Ulm needn\u2019t be concerned. \u201cIt\u2019s not expensive because the process is very simple. It is basically similar to a kitchen blender where you put graphite, water and soap molecules and you produce graphene.\u201d With her easy-to-make graphene, we can mix commercial amounts of the super-substance, adding it to concrete everywhere.<\/p>\n<p>And don\u2019t underestimate how game-changing that really is. When support structures like walls and columns only require half the material they do now, not only does that open new possibilities for design and architecture, but it speeds construction time and cuts emissions at the same time. That\u2019s better for people and the planet, a win-win brought to us by scientific ingenuity and nanotechnology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A super-material with apparently unlimited uses Concrete that\u2019s two times stronger than usual Contrary to fears, this is a commercially viable wonder-material Concrete is our most popular building material. It\u2019s strong, long lasting, and easy to make &#8211; and has been since the Romans first started using it. Unfortunately, it\u2019s also an environmental disaster: its [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":45526,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[2880],"tags":[4306,4360],"article-type":[],"trends":[5478],"class_list":["post-57964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-real-estate","tag-construction","tag-environment","trends-nanotech-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Revolutionary graphene-concrete could be an absolute game changer for construction - and the planet - Richard van Hooijdonk Blog<\/title>\n<meta name=\"description\" content=\"Revolutionary graphene-concrete could be an absolute game changer for construction - and the planet.&amp;#x2705\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.richardvanhooijdonk.com\/en\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Revolutionary graphene-concrete could be an absolute game changer for construction - and the planet - Richard van Hooijdonk Blog\" \/>\n<meta property=\"og:description\" content=\"Revolutionary graphene-concrete could be an absolute game changer for construction - and the planet.&amp;#x2705\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.richardvanhooijdonk.com\/en\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\/\" \/>\n<meta property=\"og:site_name\" content=\"Richard van Hooijdonk Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-05-08T22:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-22T07:52:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.richardvanhooijdonk.com\/wp-content\/uploads\/2019\/05\/shutterstock_741611305-min-700x460-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"526\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hein\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hein\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blog.richardvanhooijdonk.com\\\/en\\\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blog.richardvanhooijdonk.com\\\/en\\\/revolutionary-graphene-concrete-could-be-an-absolute-game-changer-for-construction-and-the-planet\\\/\"},\"author\":{\"name\":\"Hein\",\"@id\":\"https:\\\/\\\/blog.richardvanhooijdonk.com\\\/#\\\/schema\\\/person\\\/cd9351ef31c33ebb6dd4efd845fe2b37\"},\"headline\":\"Revolutionary graphene-concrete could be an absolute game changer for construction &#8211; 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