"104knm" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

= = = 0.0182 fcd b eff d1 0.85 13.3 1387 606 0.0182 µ = 1 - = 0.0182 1 - = 0.0180 2 2 µ = 0.0180 < µ c = 0.393 MRd = µ fcd b eff d1 = = 0.0180 0.85 13.3 1387 606 10 -6 = 104kNm Keskmised avad: - Arvutuslik laius b w = 250mm l0 = 0.85 leff = 0.85 6690 = 5687mm 1 1 b eff = b w + l0 = 250 + 5687 = 1387mm < b = 5000mm 5 5 - Pikisuunas armeerimine MSd = 238kNm M f = fcd b eff h f ( d1 - 0.5 h f ) = = 0.85 13.3 1387 100 ( 606 - 0.5 100) = 872 10 6 Nmm M f = 872kNm > MSd = 238kNm