{"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\/et\/blog\/news\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","title":{"rendered":"Insenerid testisid maailma suurima kaarjate silda Leonardo da Vinci mudelil","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Aastal 1502 m\u00f5tles sultan Bayezid II ehitada silla Kuldse sarve \u00fcle, et \u00fchendada Istanbul ja naaberlinn Galata. Tollaste juhtivate inseneride seas eristudes pakkus t\u00e4helepanuv\u00e4\u00e4rset originaalsust Itaalias tuntud kunstniku ja teadlase Leonardo da Vinci projekt. Tollased sillad olid tavaliselt tugevalt kaarjad ja n\u00f5udsid v\u00e4hemalt 10 toetamist. Kuid Leonardo joonistas 280 meetri pikkuse silla, mis ei vajanud \u00fchtegi toetust. Itaalia teadlase projekt ei saanud heakskiitu. Me ei saa seda imet n\u00e4ha. Aga kas see projekt toimis? Sellele k\u00fcsimusele vastasid MITi insenerid, kes t\u00f5estasid Leonardo joonistustel, ehitades<\/a><\/noindex> 1:500 skaalas silla mudeli ja testides seda k\u00f5igi v\u00f5imalike koormuse suhtes.<\/p>\n

\"Insenerid<\/p>\n

Tegelikult koosneks sild tuhandetest viimistletud kividest. Teist sobivat materjali tol ajal polnud (teadlased p\u00fc\u00fcdsid maksimaalselt l\u00e4heneda tollaste sillaehituse tehnoloogiatele ja olemasolevatele materjalidele). Mudeli valmistamiseks kasutasid t\u00e4nap\u00e4eva spetsialistid 3D-printerit ja jagasid mudeli 126 etteantud kujuga plokkideks. Kivid asetati j\u00e4rk-j\u00e4rgult ehituspuuri peale. P\u00e4rast nurgakivi paigaldamist sildadele eemaldati ehituspuur. Sild j\u00e4i p\u00fcsima ja t\u00f5en\u00e4oliselt oleks vastu pidanud sajandeid. Itaalia renessansiaegne teadlane arvestas k\u00f5igega: alates piirkonna seismilisest ebastabiilsusest kuni sillale m\u00f5juvate k\u00fclgkoormusteni.<\/p>\n

Valitud Leonardo lamdaark kuju v\u00f5imaldas laevade navigeerimist lahes isegi purjelaevadel t\u00f5stetud mastidega, samas kui alus, mis laieneb alusele, tagas k\u00fclgkoormuste suhtes stabiilsuse ning, nagu n\u00e4itas skaalamudelite eksperimenteerimine, seismilise vastupidavuse. Aluse tugiplatvormid v\u00f5isid liikuda m\u00e4rgatavalt ilma kogu objekti kokku varisemiseta. Gravitatsioon ja mitte mingit kinnitust liimide v\u00f5i kinnitusdetailide abil - Leonardo teadis, mida pakkus.<\/p>\n

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

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