Answer
Impagarara ntarengwa $ \ sigma $ kurwego rwo hejuru yisoko yumuraba igaragazwa na $ \ sigma = _x000c_rac {3 imes au imes P imes D_m} {b imes t ^ 2 imes N ^ 2} $ aho $ P $ ari umutwaro. Nyamara, umurongo usanzwe wumurongo wumurongo akenshi utateganya guhangayikishwa nuburyo bugoramye. Ikintu cyo gukosora $ K $, gikomoka ku kigereranyo cya $ D_ {hanze} / D_ {muri} $, gikoreshwa. Nkuko $ D_ {hanze} / D_ {mu kigereranyo cya $ $ yiyongera, guhangayikishwa no guhangayikishwa na diametre yimbere yikizenga cyiyongera. Mubisabwa byumunaniro mwinshi (urugero, kohereza ibinyabiziga), niba imihangayiko yabazwe irenze imbaraga zingana zingirakamaro yibikoresho (urugero, $ 200,000 $ PSI ya Carbone Steel SAE 1070), isoko izagira ikibazo gihoraho cyangwa kunanirwa kunanirwa. Mubisanzwe dushushanya guhangayikishwa cyane na 80% yumusaruro kubisabwa bihamye na 50% kubikorwa bikora.
