{"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\/novosti-interneta\/inzhenery-na-modeli-proverili-proekt-krupnejshego-v-mire-arochnogo-mosta-leonardo-da-vinchi","title":{"rendered":"Insenerid on mudelil kontrollinud maailma suurima Leonardo da Vinci kaarte silla projekti.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

1512. aastal kavandas sultan Bayezid II ehitada silla l\u00e4bi Kuldse Sarve lahe, et \u00fchendada Istanbul ja naaberlinn Galata. Sel ajal tuntud inseneride seas paistis silma kuulsate Itaalia kunstniku ja teadlase Leonardo da Vinci projekt. Tollased sillad olid tavaliselt kumerate arkide kujul, millel olid mitmed tugipunktid. Kuldse Sarve kohal ehitatav sild vajaks v\u00e4hemalt 10 tugipunkti, kuid Leonardo joonistas \u00fcles 280 meetri pikkuse silla, millel ei olnud \u00fchtegi tugipunkti. Itaalia teadlase projekt ei leidnud heakskiitu. Me ei saa seda maailma imet n\u00e4ha. Kuid kas see projekt on t\u00f6\u00f6tav? Sellele vastasid MIT insenerid, kes ehitasid Leonardo jooniste p\u00f5hjal silla<\/a><\/noindex> 1:500 m\u00f5\u00f5tkavas mudeli ja testisid seda k\u00f5igi v\u00f5imalike koormuste suhtes.<\/p>\n

\"Insenerid<\/p>\n

Tegelikult koosnes sild tuhandest t\u00f6\u00f6tlemata kivist. Teisi sobivaid materjale sel ajal ei olnud (teadlased \u00fcritasid tehnoloogiaid, millega sillaid ehitati, ja olemasolevaid materjale v\u00f5imalikult t\u00e4pselt j\u00e4ljendada). Silde maketi valmistamiseks kasutasid kaasaegsed spetsialistid 3D-printerit ja jagasid mudeli 126 kindla kuju blokiks. Kivid paigaldati j\u00e4rk-j\u00e4rgult ehitusel kahele. P\u00e4rast nurga kivi paigaldamist silla tipus eemaldati kaablid. Sild p\u00fcsis p\u00fcstises asendis ja kindlalt oleks p\u00fcsinud sajandeid. Renessansi ajastu Itaalia teadlane arvestas k\u00f5igega: alates piirkonna seismilisest ebastabiilsusest kuni silla k\u00fclgsuunalistele koormustele.<\/p>\n

Leonardo forma lameeritud kaare valik v\u00f5imaldas tagada laevajuhitavuse lahes isegi purjelaevadega, millel on alused mastid \u00fcles t\u00f5stetud, ja alumine konstruktsioon, mis laieneb, tagas k\u00fclgsuunaliste koormuste vastupidavuse ning nagu katsetuste tulemused skaleeritud mudeliga n\u00e4itasid, seismilise vastupidavuse. Kaare aluses olevad liikuvad platvormid suudsid liikuda m\u00e4rkimisv\u00e4\u00e4rsete ulatustega ilma kogu konstruktsiooni kokku kukkumata. Gravitatsioon ja mitte mingit l\u00e4bipaistvust lahuste v\u00f5i kinnitusdetailide kaudu - Leonardo teadis, mida pakkuda.<\/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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