"407mm" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

lb,min,25 = 0.3 924 = 277mm 10 25 = 250mm Võtan lb,net = 403mm Vahetugi C: a = 1 A s,req = 1520mm2 A s,prov = 1774mm2 1 665 1520 lb,net,18 = = 570mm 1774 lb,min,18 = 0.3 665 = 200mm 10 18 = 180mm 36  Võtan lb,net = 570mm a = 1 A s,req = 760mm2 A s,req = 1520mm2 1 813 760 lb,net,22 = = 407mm 1520 lb,min,22 = 0.3 813 = 245mm 10 22 = 220mm Võtan lb,net = 407mm - Armatuuri ankurdus äärmisel toel a1 = 273mm VSd = 161kN V a 161 273 Fs = Sd 1 = = 72.5kN d1 606 Fs 72.5 10 3 A s,req = = = 213mm2 fyd 340 a = 1 A s,req = 509mm2 0.7 665 213 lb,net,18 = = 195mm 509 lb,min,18 = 0