{"id":4740,"date":"2014-11-22T07:30:00","date_gmt":"2014-11-22T07:30:00","guid":{"rendered":"https:\/\/www.h-metal.ro\/blog\/?p=4740"},"modified":"2023-07-28T07:31:54","modified_gmt":"2023-07-28T07:31:54","slug":"az-acel-fenntarthato-anyag","status":"publish","type":"post","link":"http:\/\/www.h-metal.ro\/blog\/hu\/az-acel-fenntarthato-anyag\/","title":{"rendered":"Az ac\u00e9l fenntarthat\u00f3 anyag"},"content":{"rendered":"<p>Az ac\u00e9l t\u00f6k\u00e9letesen fenntarthat\u00f3 anyag, \u00e9s \u00f6sszhangban van az Eur\u00f3pai Bizotts\u00e1g k\u00f6rforg\u00e1sos gazdas\u00e1gra vonatkoz\u00f3 felh\u00edv\u00e1s\u00e1val. A k\u00e9r\u00e9s az anyagok \u00e9s er\u0151forr\u00e1sok meg\u0151rz\u00e9s\u00e9re vonatkozik.<\/p>\n\n\n\n<p>A &#8222;Comparative Life Cycle Analysis for Bridges&#8221; (H\u00edd\u00e9p\u00edt\u00e9s \u00f6sszehasonl\u00edt\u00f3 \u00e9letciklus-elemz\u00e9se) szerint k\u00e9tszer olyan fenntarthat\u00f3, mint a h\u00edd\u00e9p\u00edt\u00e9sben haszn\u00e1lt m\u00e1s elemek.<\/p>\n\n\n\n<p>Ez egy f\u00fcggetlen tanulm\u00e1ny, amelyet a Rijksdienst voor Ondernemend (egy holland korm\u00e1nyzati szervezet, amely a fenntarthat\u00f3s\u00e1gra \u00e9s innov\u00e1ci\u00f3ra \u00f6sszpontos\u00edt\u00f3 v\u00e1llalkoz\u00e1st t\u00e1mogatja) megb\u00edz\u00e1s\u00e1b\u00f3l v\u00e9geztek, \u00e9s amely t\u00f6bbf\u00e9le anyagot vizsg\u00e1lt: f\u00e1t, betont, kompozit m\u0171anyagot \u00e9s ac\u00e9lt.<\/p>\n\n\n\n<p>Az &#8222;\u00d6sszehasonl\u00edt\u00f3 \u00e9letciklus-\u00e9rt\u00e9kel\u00e9s hidakra&#8221; c\u00edm\u0171 tanulm\u00e1nyt a Beco (tan\u00e1csad\u00f3 c\u00e9g) k\u00e9sz\u00edtette. A tanulm\u00e1ny a f\u0151 \u00e9p\u00edt\u0151anyag-t\u00edpusok (fa, beton, m\u0171anyag \u00e9s ac\u00e9l) besz\u00e1ll\u00edt\u00f3it\u00f3l gy\u0171jt\u00f6tt adatokat.<\/p>\n\n\n\n<p>A tanulm\u00e1ny pontoss\u00e1g\u00e1t \u00e9s objektivit\u00e1s\u00e1t a holland korm\u00e1ny, a Rijksdienst voor Ondernemend Nederland, az Infrastruktur\u00e1lis Miniszt\u00e9rium, a Bam InfraConsult \u00e9s a NIBE k\u00f6rnyezetv\u00e9delmi tan\u00e1csad\u00f3 c\u00e9g \u00e9p\u00edt\u00e9si \u00e9s fenntarthat\u00f3s\u00e1gi szak\u00e9rt\u0151ib\u0151l \u00e1ll\u00f3 ir\u00e1ny\u00edt\u00f3bizotts\u00e1g fel\u00fcgyelte. A tanulm\u00e1nyt az Amszterdami Egyetem (IVAM) k\u00f6rnyezetv\u00e9delmi szak\u00e9rt\u0151i is fel\u00fclvizsg\u00e1lt\u00e1k.<\/p>\n\n\n\n<p>Bauke Bonnema, a Tata Steel NL \u00e9p\u00edt\u0151ipari k\u00f6zpontj\u00e1nak vez\u00e9rigazgat\u00f3ja : &#8222;A tanulm\u00e1ny eredm\u00e9nye nagy jelent\u0151s\u00e9ggel b\u00edr a tervez\u0151k\/\u00e9p\u00edt\u00e9szek, az \u00e9p\u00edt\u0151ipari v\u00e1llalatok \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 projektek anyagbeszerz\u00e9s\u00e9\u00e9rt felel\u0151s szem\u00e9lyek sz\u00e1m\u00e1ra. A fenntarthat\u00f3s\u00e1g egyre ink\u00e1bb fontos t\u00e9nyez\u0151v\u00e9 v\u00e1lik az \u00e9p\u00edt\u0151anyagok kiv\u00e1laszt\u00e1s\u00e1ban. A tanulm\u00e1ny meger\u0151s\u00edti, hogy az ac\u00e9l rendk\u00edv\u00fcl fenntarthat\u00f3 anyag&#8221;.<\/p>\n\n\n\n<p>Az er\u0151forr\u00e1sok tekintet\u00e9ben t\u00e1rsadalmunknak k\u00f6rforg\u00e1sos gazdas\u00e1gg\u00e1 kell v\u00e1lnia. \u00cdgy az anyagok visszaker\u00fclhetnek a k\u00f6rforg\u00e1sba. Ez\u00e9rt ez a tanulm\u00e1ny a k\u00fcl\u00f6nb\u00f6z\u0151 anyagok teljes \u00e9letciklus\u00e1t figyelembe vette. Ez sz\u00fcks\u00e9ges l\u00e9p\u00e9s ahhoz, hogy helyesen \u00edt\u00e9lj\u00fck meg az anyagok fenntarthat\u00f3s\u00e1g\u00e1t.<\/p>\n\n\n\n<p><strong>Az ac\u00e9l fenntarthat\u00f3 anyag \u2013 \u00e9rdekess\u00e9gek<\/strong><\/p>\n\n\n\n<p>A mai ac\u00e9lok rendk\u00edv\u00fcl er\u0151sek, ami egyre k\u00f6nnyebb szerkezeteket eredm\u00e9nyez. Az ac\u00e9l felhaszn\u00e1l\u00e1s\u00e1val a hidak 4-8-szor k\u00f6nnyebbek lehetnek, mint a betonhidak. A ma kaphat\u00f3 ac\u00e9lm\u00e1rk\u00e1k \u00e9s -fajt\u00e1k felhaszn\u00e1l\u00e1s\u00e1val, az Eiffel-torony \u00e9p\u00edt\u00e9s\u00e9hez felhaszn\u00e1lt kezdeti ac\u00e9lmennyis\u00e9ggel h\u00e1rom Eiffel-tornyot lehetne \u00e9p\u00edteni.<\/p>\n\n\n\n<p>Az ac\u00e9l viszonylag kis s\u00falya \u00e9s kiv\u00e1l\u00f3 \u00fajrahasznos\u00edt\u00e1si tulajdons\u00e1gai miatt hat\u00e9konynak bizonyult k\u00f6z\u00fati hidak \u00e9p\u00edt\u00e9s\u00e9n\u00e9l.<\/p>\n\n\n\n<p>A legt\u00f6bb ember nem tudja, hogy az ac\u00e9l folyamatosan \u00fajrahasznos\u00edthat\u00f3 an\u00e9lk\u00fcl, hogy elvesz\u00edten\u00e9 tulajdons\u00e1gait. R\u00e1ad\u00e1sul az \u00fajrahasznos\u00edtott ac\u00e9l az eredeti ac\u00e9ln\u00e1l jobb min\u0151s\u00e9g\u0171 ac\u00e9ll\u00e1 alak\u00edthat\u00f3, ami az ac\u00e9l egyed\u00fcl\u00e1ll\u00f3 tulajdons\u00e1ga. A fa- \u00e9s m\u0171anyag kompozitokat \u00e9letciklusuk v\u00e9g\u00e9n el\u00e9getik.<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"http:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Az ac\u00e9l fenntarthat\u00f3 anyag\";<\/script><script type=\"text\/javascript\" src=\"http:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<p>Az ac\u00e9l t\u00f6k\u00e9letesen fenntarthat\u00f3 anyag, \u00e9s \u00f6sszhangban van az Eur\u00f3pai Bizotts\u00e1g k\u00f6rforg\u00e1sos gazdas\u00e1gra vonatkoz\u00f3 felh\u00edv\u00e1s\u00e1val. A k\u00e9r\u00e9s az anyagok \u00e9s er\u0151forr\u00e1sok meg\u0151rz\u00e9s\u00e9re vonatkozik. A &#8222;Comparative Life Cycle Analysis for Bridges&#8221; (H\u00edd\u00e9p\u00edt\u00e9s \u00f6sszehasonl\u00edt\u00f3 \u00e9letciklus-elemz\u00e9se) szerint k\u00e9tszer olyan fenntarthat\u00f3, mint a h\u00edd\u00e9p\u00edt\u00e9sben haszn\u00e1lt m\u00e1s elemek. Ez egy f\u00fcggetlen tanulm\u00e1ny, amelyet a Rijksdienst voor Ondernemend (egy holland korm\u00e1nyzati [&hellip;]<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"http:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Az ac\u00e9l fenntarthat\u00f3 anyag\";<\/script><script type=\"text\/javascript\" src=\"http:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[50],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - 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