"1491mm2" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

4 2.3 22 340 lb,22 = = 813mm 4 2.3 25 340 lb,25 = = 924mm 4 2.3 - Varda nõutav ankurduspikkus a lb A s,req lb,net = lb,min A s,prov lb,min = 0.3 lb 10 Esimene ja viimane ava: a = 1 A s,req = 1491mm2 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