"261knm" - 1 õppematerjal

“RAUDBETOONKONSTRUKTSIOONID. PROJEKT”

siis s max = 0.8 d1 = 0.6 606 = 485mm > 300mm A sw 101 s= = = 388mm < s max = 300mm A sw / s 0.26 Valin s=300mm A sw 101 w = = = 0.0013 < w,min = 0.0016 s b w sin 300 250 sin 90° A sw 101 s= = = 253mm w,min b w sin 0.0016 250 sin 90° Võtan s=250mm - VSd = 261kNm = 0. 6 = 90° cot = 0 VRd2 = 0.45 fcd b w d1 (1 + cot ) = = 0.45 0.6 13.3 250 594 (1 + 0) = = 533 10 3 N > VSd = 261kN k = 1.6 - d1 = 1.6 - 0.594 = 1.01 1,min = 0.0050 < 0.02 31  [ ] VRd1 = Rd k (1.2 + 40 1 ) + 0.15 cp b w d1 = = [0.26 1.01 (1.2 + 40 0.0050) + 0.15 0] 250 594 = = 54