As,min1 = = = 221mm2 (304) fyd 350 As,min2 = 0, 002 · Ac = 0, 002 · 300 · 300 = 180mm2 (305) As,max = 0, 04 · 300 · 300 = 3600mm2 (306) 28 Valitud armatuur pindalaga As = 452mm2 vastab n~ouetele: As,min = 221mm2 < As = 452mm2 < As,max = 3600mm2 (307) II korruse posti jaoks: 0, 10 · NEd 0, 10 · 1556, 0 · 103 As,min1 = = = 445mm2 (308) fyd 350 As,min2 = 0, 002 · Ac = 0, 002 · 400 · 400 = 320mm2 (309)
A s,tot = = fyd 602 10 3 - 0.9 0.85 13.3 250 2 = = -111mm2 0.9 340 0.15 NSd 0.15 602 10 3 A s,min = = = 266mm2 fyd 340 0.003 A = 0.003 250 2 = 188mm2 A s = 266mm2 Valin 4 12 A S = 452mm2 - Kandevõime lo 1800 = =6 b 300 NSd1 =1 NSd Siis c = 0.92 ja sc = 0.92 fyd A s 340 452 s = = = 0.22 fcd A 0.85 13.3 250 2 = c + 2 ( sc - c ) s = 0.92 + 2 ( 0.92 - 0.92) 0.22 = 0.92 NRd = ( fcd A + fyd A s ) = ( ) = 0.92 0.85 13
annaabi.ee 
