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•Direktan napon pritiska u gornjem području grede i direktni napon zatezanja u donjem području grede.
Posljednje dvije sile čine spreg sila ili moment jer su jednake po veličini i suprotnog su smjera. Ovaj moment savijanja opire se ulegnutoj deformaciji grede koja trpi savijanje. Naponska raspodjela grede može se predvid
Euler-Bernoullijeva teorija savijanja[uredi | uredi kod]
Element savijene grede: vlakna čine koncentrične lukove, na vrhu su vlakna pritisnuta, a na dnu zategnuta.
Momenti savijanja kod grede
Kod Euler-Bernoullijeve teorije savijanja vitkih greda, glavna pretpostavka je da 'ravne sekcije ostaju ravne'. Drugim riječima, bilo kakva deformacija usljed smicanja preko odjeljka se ne evidentira (kao da nema smican

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Kvazistatičko savijanje greda[.pptx

  • 1. •Direktan napon pritiska u gornjem području grede i direktni napon zatezanja u donjem području grede. Posljednje dvije sile čine spreg sila ili moment jer su jednake po veličini i suprotnog su smjera. Ovaj moment savijanja opire se ulegnutoj deformaciji grede koja trpi savijanje. Naponska raspodjela grede može se predvid Euler-Bernoullijeva teorija savijanja[uredi | uredi kod] Element savijene grede: vlakna čine koncentrične lukove, na vrhu su vlakna pritisnuta, a na dnu zategnuta. Momenti savijanja kod grede Kod Euler-Bernoullijeve teorije savijanja vitkih greda, glavna pretpostavka je da 'ravne sekcije ostaju ravne'. Drugim riječima, bilo kakva deformacija usljed smicanja preko odjeljka se ne evidentira (kao da nema smican