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Akkamitti dhiibbaa dhaabbii guddaa gilgaala qabachuu ispiraaliidhaaf murteessita, akka hin saagamneef?

2026-06-16 FAQ

Dhiibbaan guddaan yeroo dhaabbii kan uumamu yeroo ringiin shaafta irratti babal’atu ykn gara manaatti walitti qabamudha. Dhiibbaan dhaabbii $S_i$ akka $S_i = \frac{E \cdot t \cdot (D_g - D_f)}{D_f \cdot D_g}$ tti shallagama, iddoo $E$ moojuulasii, $t$ furdina meeshaa, $D_g$ daayameetira dhaabbii (shaaftii ykn manaa), fi $D_f$ di...

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Dhiibbaan guddaan yeroo dhaabbii kan uumamu yeroo ringiin shaafta irratti babal’atu ykn gara manaatti walitti qabamudha. Dhiibbaan dhaabbii $S_i$ akka $S_i = \frac{E \cdot t \cdot (D_g - D_f)}{D_f \cdot D_g}$ jedhamee shallagama, bakka $E$ moojuulasii, $t$ furdina meeshaa, $D_g$ daayameetira dhaabbii (shaafta ykn mana), fi $D_f$ daayameetira bilisaa gilgaala. Tuuta dhaabbataa (difoormeeshinii pilaastikii) ittisuuf, $S_i$ humna omishaa $\sigma_y$ meeshaa sanaa caalu hin qabu. Yoo $S_i > \sigma_y$ ta'e, gingilchaan gara daayameetira bilisaa isaa isa jalqabaatti hin deebi'u, kunis gara walsimsiisaa laaftuutti kan geessudha. Meeshaalee akka SAE 1070 tiif, daangaa akkaataa idileetti $200,000$ psi dha. Yoo iyyannoon garmalee babal’achuu barbaade, girgiddaan garagalcha dachaa ykn kutaa qaxxaamuraa qalla’aa ta’een dizaayinii ta’uu qaba, kunis jijjiirama qaxxaamuraa raabsuuf.

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