"277mm" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

A s,prov = 1805mm2 1 739 1491 lb,net,20 = = 610mm 1805 lb,min,20 = 0.3 739 = 222mm 10 20 = 200mm Võtan lb,net = 610mm a = 1 A s,req = 509mm2 A s,prov = 1491mm2 1 924 509 lb,net,25 = = 315mm 1491 lb,min,25 = 0.3 924 = 277mm 10 25 = 250mm Võtan lb,net = 315mm Keskmised avad: a = 1 A s,req = 1018mm2 35  A s,prov = 1219mm2 1 591 1018 lb,net,16 = = 494mm 1219 lb,min,16 = 0.3 591 = 177mm 10 16 = 160mm Võtan lb,net = 494mm a = 1 A s,req = 509mm2 A s,prov = 1018mm2 1 665 509