Official Answer
Answer
Ana yin zoben riƙe da karkace daga waya mai lebur wadda aka naɗe, wanda ke nufin ba shi da 'kunne' ko maɗaukaki, yana samar da cikakkiyar fuskar lamba $360°$. Ana ƙididdige ƙarfin shear $P_s$ a matsayin $P_s = _x000c_rac{D imes T imes ext{π} imes ext{τ}_s}{FOS}$, inda $T$ shine jimillar kaurin zobe da $ ext{τ}_s$ shine ƙarfin shear na kayan (kimanin $0.6 imes UTS$). Ba kamar faifan dawafi da aka buga ba, waɗanda za su iya samun matsananciyar damuwa a ramukan lugga, zoben karkace suna rarraba nauyin juzu'i daidai gwargwado. Duk da haka, don zoben juyi da yawa, lissafin dole ne ya tabbatar da cewa an raba kaya a duk juzu'i, wanda ke buƙatar tsagi ya kasance mai zurfi don tallafawa dukan bangon radial $ b $ na zobe.
