Official Answer
Answer
Ƙarfin ƙarar zobe $P_r$ shine nauyin da riƙon zoben da kansa ya gaza ta hanyar yankewa. Ana lissafta shi azaman $P_r = _x000c_rac{D imes t imes au_s imes ext {Safety Factor}}{\phi}$ inda $t$ shine kaurin zobe kuma $\tau_s$ shine ƙarfin juzu'in kayan zobe (yawanci $0.6 \ lokuta \rubutu{ƙarfin ƙarfi}$). Ring Shear ya zama abin iyakancewa lokacin da aka shigar da zobe a cikin tsagi da aka yi da kayan aiki mai ƙarfi sosai (misali, ƙarfe na kayan aiki mai ƙarfi) ko kuma lokacin da kaurin zobe ya kasance kadan dangane da zurfin ragi. A yawancin gidaje masu 'laushi' kamar Aluminum ko daidaitaccen Karfe Karfe, tsagi zai samar da dadewa kafin zobe ya yi shears. Don zoben sararin sama 17-7PH, $\tau_s$ na iya wuce $150,000$ PSI.
