"170mm2" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

MSd = 3.81kNm MSd 3.81 10 6 µ= = = 0.0599 fcd 1000 d12 0.85 13.3 1000 752 = 1 - 1 - 2 µ = 1 - 1 - 2 0.0599 = 0.0618 fcd 1000 d1 0.0618 0.85 13.3 1000 75 A S1 = = = 154mm2 fyd 205 Valin 6 6 A S1 = 170mm2 1000 s= = 167mm 6 s max = 1.5 h1 = 1.5 100 = 150mm s = 167mm > s max = 150mm A S1 226 1 = = = 0.0023 1000 d1 1000 75 Võtan 6 s.150 - Jaotusarmatuur A S3 = A S1 20% = 154 20% = 31mm2 s max = 2.5 h1 = 2