{"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\/sv\/blog\/news\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","title":{"rendered":"Ingenj\u00f6rer testade modellen av v\u00e4rldens st\u00f6rsta b\u00e5gbro, Leonardo da Vinci","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00c5r 1502 planerade sultan Bayezid II att bygga en bro \u00f6ver Guldhornsviken f\u00f6r att koppla samman Istanbul och grannstaden Galata. Bland svaren fr\u00e5n ledande ingenj\u00f6rer vid den tiden var projektet av den v\u00e4lk\u00e4nda italienska konstn\u00e4ren och vetenskapsmannen Leonardo da Vinci s\u00e4rskilt originellt. Traditionella broar p\u00e5 den tiden var tydligt b\u00f6jda b\u00e5gar med minst 10 pelare. Men Leonardo skissade ett broprojekt med en l\u00e4ngd av 280 meter utan en enda pelare. Det italienska forskningsprojektet blev inte antaget. Vi kan inte se detta underverk. Men \u00e4r detta projekt genomf\u00f6rbart? Ingenj\u00f6rerna p\u00e5 MIT gav svaret, baserat p\u00e5 Leonardos skisser. byggde<\/a><\/noindex> en modell av bron i skala 1:500 och testade den med ett helt spektrum av m\u00f6jliga belastningar.<\/p>\n

\"Ingenj\u00f6rer<\/p>\n

I verkligheten skulle bron best\u00e5 av tusentals huggen sten. Det fanns inget annat l\u00e4mpligt material vid den tiden (forskare f\u00f6rs\u00f6kte s\u00e5 n\u00e4ra som m\u00f6jligt efterlikna byggteknikerna f\u00f6r broar vid den tiden och de tillg\u00e4ngliga materialen). F\u00f6r att bygga modellen anv\u00e4nde moderna specialister en 3D-skrivare och delade modellen i 126 block av specificerad form. Stenarna lagdes successivt p\u00e5 byggnadsst\u00e4llningar. Efter installationen av h\u00f6rnstenen p\u00e5 bron togs st\u00e4llningarna bort. Bron skulle st\u00e5 kvar och skulle s\u00e4kerligen st\u00e5 i \u00e5rhundraden. Den italienska forskaren fr\u00e5n ren\u00e4ssansen beaktade allt: fr\u00e5n den seismiska instabiliteten i regionen till de laterala belastningarna p\u00e5 bron.<\/p>\n

Den form av en platt b\u00e5ge som valdes av Leonardo m\u00f6jliggjorde sj\u00f6fart \u00f6ver viken \u00e4ven f\u00f6r segelfartyg med upplyft mast. Den spridande konstruktionen vid basen gav stabilitet mot laterala belastningar och, som experiment med skalmodellen visade, seismisk stabilitet. R\u00f6rliga plattformar i basen av b\u00e5gen kunde r\u00f6ra sig inom betydande gr\u00e4nser utan att hela konstruktionen kollapsade. Gravitation och ingen f\u00e4stning med hj\u00e4lp av blandningar eller inf\u00e4stningar - Leonardo visste vad han f\u00f6reslog.<\/p>\n

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K\u00e4lla: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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