{"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\/pt\/blog\/news\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","title":{"rendered":"Engenheiros verificaram o projeto da maior ponte em arco do mundo, Leonardo da Vinci","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Em 1502, o sult\u00e3o Bajazet II planejou construir uma ponte sobre a Ba\u00eda de Corno de Ouro para conectar Istambul \u00e0 cidade vizinha de Galata. Entre as respostas dos principais engenheiros da \u00e9poca, destacou-se pela originalidade o projeto do famoso artista e cientista italiano Leonardo da Vinci. As pontes tradicionais da \u00e9poca eram arcos bem curvados com m\u00faltiplos v\u00e3os. Para a ponte sobre a ba\u00eda, seriam necess\u00e1rias pelo menos 10 suportes, mas Leonardo esbo\u00e7ou um projeto de ponte de 280 metros de comprimento sem nenhum suporte. O projeto do cientista italiano n\u00e3o foi aceito. N\u00e3o podemos ver essa maravilha do mundo. Mas o projeto \u00e9 vi\u00e1vel? Essa pergunta foi respondida por engenheiros do MIT, que com base nos esbo\u00e7os de Leonardo constru\u00edram<\/a><\/noindex> um modelo da ponte em escala 1:500 e o testaram sob uma gama completa de cargas poss\u00edveis.<\/p>\n

\"Engenheiros<\/p>\n

Na realidade, a ponte seria composta por milhares de pedras talhadas. N\u00e3o havia outro material adequado na \u00e9poca (os cientistas tentaram se aproximar ao m\u00e1ximo das tecnologias de constru\u00e7\u00e3o de pontes da \u00e9poca e dos materiais dispon\u00edveis). Para fabricar o modelo da ponte, especialistas modernos utilizaram uma impressora 3D e dividiram o modelo em 126 blocos de formato espec\u00edfico. As pedras foram colocadas progressivamente sobre andaimes. Ap\u00f3s a instala\u00e7\u00e3o da pedra angular no topo da ponte, os andaimes foram removidos. A ponte permaneceu de p\u00e9 e certamente resistiria por s\u00e9culos. O cientista italiano do Renascimento considerou tudo: desde a instabilidade s\u00edsmica da regi\u00e3o at\u00e9 as cargas laterais sobre a ponte.<\/p>\n

A forma de arco achatado escolhida por Leonardo permitiu a navega\u00e7\u00e3o na ba\u00eda, mesmo para embarca\u00e7\u00f5es a vela com mastros erguidos, e a estrutura que se alarga na base forneceu estabilidade contra cargas laterais e, como demonstraram os experimentos com o modelo em escala, resist\u00eancia s\u00edsmica. As plataformas m\u00f3veis na base do arco podiam se mover em limites significativos sem colapsar toda a estrutura. A gravidade e nenhum tipo de fixa\u00e7\u00e3o por argamassa ou parafusos \u2014 Leonardo sabia o que estava proporionando.<\/p>\n

<\/center><\/p>\n

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

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