{"id":38888,"date":"2019-10-31T22:26:35","date_gmt":"2019-10-31T19:26:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi\/"},"modified":"2019-10-31T22:26:35","modified_gmt":"2019-10-31T19:26:35","slug":"inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","title":{"rendered":"Inginerii au verificat proiectul celui mai mare pod arcuit din lume, Leonardo da Vinci","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen 1502, sultanul Bayezid II a avut \u00een vedere construirea unui pod peste golful Corno de Aur, pentru a conecta Istanbulul de ora\u0219ul vecin Galata. Dintre r\u0103spunsurile primite de la inginerii de frunte ai vremii, proiectul artistului \u0219i omului de \u0219tiin\u021b\u0103 italian cunoscut, Leonardo da Vinci, s-a distins prin originalitate. Podurile tradi\u021bionale de atunci erau formate din arce semnificativ curbate cu mai multe deschideri. Pentru podul deasupra golfului ar fi fost necesare cel pu\u021bin 10 suporturi, dar Leonardo a schi\u021bat un proiect de pod cu o lungime de 280 de metri f\u0103r\u0103 un singur suport. Proiectul omului de \u0219tiin\u021b\u0103 italian nu a fost acceptat. Nu putem vedea aceast\u0103 minune a lumii. Dar este func\u021bional acest proiect? La aceast\u0103 \u00eentrebare au r\u0103spuns inginerii MIT care, pe baza schi\u021belor lui Leonardo, au construit<\/a><\/noindex> un model al podului la scara 1:500 \u0219i l-au testat pentru \u00eentreaga gam\u0103 de sarcini posibile.<\/p>\n

\"Inginerii<\/p>\n

\u00cen realitate, podul ar fi fost construit din mii de pietre cioplite. Nu exista alt material adecvat la acea vreme (oamenii de \u0219tiin\u021b\u0103 au \u00eencercat s\u0103 se apropie c\u00e2t mai mult de tehnologiile de construc\u021bie a podurilor din acea perioad\u0103 \u0219i de materialele disponibile). Pentru fabricarea modelului podului, speciali\u0219tii moderni au folosit un imprimant 3D \u0219i au \u00eemp\u0103r\u021bit modelul \u00een 126 de blocuri de form\u0103 specificat\u0103. Pietrele au fost a\u0219ezate treptat pe schele. Dup\u0103 instalarea piatra de unghi la v\u00e2rful podului, schelele au fost \u00eendep\u0103rtate. Podul a r\u0103mas \u00een picioare \u0219i ar fi rezistat, f\u0103r\u0103 \u00eendoial\u0103, secole. \u00cenv\u0103\u021batul italian din perioada Rena\u0219terii a luat \u00een considerare totul: de la instabilitatea seismic\u0103 a regiunii p\u00e2n\u0103 la sarcinile laterale asupra podului.<\/p>\n

Forma aleas\u0103 de Leonardo, o arc\u0103 aplatizat\u0103, a permis naviga\u021bia prin golful Corno de Aur chiar \u0219i pentru nave cu p\u00e2nze ridicate, iar structura care se extinde spre baz\u0103 a asigurat stabilitate la sarcini laterale \u0219i, a\u0219a cum au ar\u0103tat experimentele cu modelul la scar\u0103, rezisten\u021b\u0103 seismic\u0103. Platformele mobile de la baza arcei ar fi putut s\u0103 se mi\u0219te \u00een limite considerabile f\u0103r\u0103 a d\u0103r\u00e2ma \u00eentreaga construc\u021bie. Gravita\u021bia \u0219i f\u0103r\u0103 nicio fixare cu ajutorul mortarelor sau a prinderilor - Leonardo \u0219tia ce propunea.<\/p>\n

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Sursa: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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