{"id":28457,"date":"2017-07-05T08:00:31","date_gmt":"2017-07-05T05:00:31","guid":{"rendered":"http:\/\/btv.md\/?p=28457"},"modified":"2017-07-04T23:31:54","modified_gmt":"2017-07-04T20:31:54","slug":"o-noua-tehnologie-va-proteja-cladirile-de-cutremure","status":"publish","type":"post","link":"https:\/\/www.btv.md\/ro\/o-noua-tehnologie-va-proteja-cladirile-de-cutremure\/","title":{"rendered":"O nou\u0103 tehnologie va proteja cl\u0103dirile de cutremure"},"content":{"rendered":"<p><strong>O echip\u0103 de cercet\u0103tori de la Penn State University examineaz\u0103 o metod\u0103 complet nou\u0103 de a proteja imobilele de cutremure. Ace\u015ftia doresc s\u0103 creeze un metamaterial care ar anula undele seismice de suprafa\u0163\u0103 \u00eenainte ca acestea s\u0103 ajung\u0103 la cl\u0103diri.<\/strong><\/p>\n<p>Cliff Lissenden, profesor la aceast\u0103 universitate, sus\u0163ine c\u0103 \u201escopul proiectului este de a proteja structurile critice. Proiectele actuale pentru cl\u0103diri rezistente la cutremur necesit\u0103 costuri foarte mari. Ideea noastr\u0103 este c\u0103 po\u0163i disipa cutremurul \u00eenainte de a ajunge la structur\u0103, astfel nu trebuie s\u0103 o proiectezi pentru a rezista\u201d.<\/p>\n<p>Parisa Shokouhi, autorul principal al studiului, \u00eempreun\u0103 cu Lissenden, vor utiliza o serie de studii numerice \u015fi experimentale pentru a evalua eficien\u0163a metamaterialului propus \u00een disiparea \u015fi redirec\u0163ionarea\u00a0<a href=\"http:\/\/www.descopera.ro\/dnews\/15744774-noua-harta-seismica-a-capitalei-cartierele-cele-mai-afectate-din-bucuresti-in-cazul-unui-cutremur-major\">undelor seismice<\/a>\u00a0de suprafa\u0163\u0103, scrie\u00a0<a href=\"http:\/\/www.geologypage.com\/2017\/06\/research-new-metamaterial-provides-earthquake-protection.html\">Geology Page<\/a>.<\/p>\n<p>Metamaterialele sunt materiale care au fost create pentru a avea propriet\u0103\u0163i care nu se g\u0103sesc \u00een natur\u0103. Acestea sunt ansambluri de mai multe materiale precum metale sau plasticuri.<\/p>\n<p>Shokouhi precizeaz\u0103 c\u0103 \u201eceea ce dezvolt\u0103m acum este un model foarte simplu, alc\u0103tuit dintr-o plac\u0103 \u015fi tije care vor ac\u0163iona ca rezonatori locali. Dorim s\u0103 vedem ce combina\u0163ie \u015fi care trebuie s\u0103 fie geometria tijelor care disipeaz\u0103 energia ce se deplaseaz\u0103 prin plac\u0103\u201d.<\/p>\n<p>Astfel, prima etap\u0103 a proiectului este de a g\u0103si dimensiunea \u015fi aranjarea ideal\u0103 a acestor elemente. Cercet\u0103torii vor realiza acest lucru cu ajutorul model\u0103rilor \u015fi simul\u0103rilor 2D \u015fi 3D, transmite <a href=\"http:\/\/www.descopera.ro\/stiinta\/16520121-o-noua-tehnologie-revolutionara-va-proteja-cladirile-de-cutremure-chiar-si-cladirile-vulnerabile\">descoper\u0103.ro<\/a>.<\/p>\n<p>Baz\u00e2ndu-se pe informa\u0163iile ob\u0163inute, cercet\u0103torii vor construi \u015fi vor testa un model simplificat utiliz\u00e2nd forma recomandat\u0103. \u00cen aceast\u0103 etap\u0103 a cercet\u0103rii, vor lua \u00een considerare \u015fi efectele asupra propag\u0103rii undelor pe care le au factorii naturali, precum compozi\u0163ia solului \u015fi satura\u0163ia cu ap\u0103 a acestuia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O echip\u0103 de cercet\u0103tori de la Penn State University examineaz\u0103 o metod\u0103 complet nou\u0103 de a proteja imobilele de cutremure. Ace\u015ftia doresc s\u0103 creeze un metamaterial care ar anula undele seismice de suprafa\u0163\u0103 \u00eenainte ca acestea s\u0103 ajung\u0103 la cl\u0103diri. Cliff Lissenden, profesor la aceast\u0103 universitate, sus\u0163ine c\u0103 \u201escopul proiectului este de a proteja structurile [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":28458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6354],"tags":[],"class_list":["post-28457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-externe-ro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O nou\u0103 tehnologie va proteja cl\u0103dirile de cutremure<\/title>\n<meta name=\"description\" content=\"O echip\u0103 de cercet\u0103tori de la Penn State University examineaz\u0103 o metod\u0103 complet nou\u0103 de a proteja imobilele de cutremure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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