Armatura betonga tortib taranglanganida unda qanaqa yo‘qolishlar sodir bo‘ladi: σ3, σ4, σ7, σ8, σ9, σ10, σ11, Armatura bo‘yicha ishonchlilik koeffitsienti nimaga bog‘liq? Armatura sinfiga; Armaturadagi oldindan zo‘riqtirish kuchlanishining eng katta qiymatini ko‘rsating? σSP ≤ Rs,ser Armaturalarni elektr yoy usulida payvandlashda qaysi shart bajarilishi lozim?