0108 < 0.02 [ ] VRd1 = Rd k (1.2 + 40 ) + 0.15 cp b w d1 = = [0.26 1.19 (1.2 + 40 0.0108 ) + 0.15 0] 200 410 = 41.4 10 3 N VRd1 = 41.4kN < VSd,d1 = 103.1kN Tul eb rangid panna! Vwd = VSd,d1 - VRd1 = 103.1 - 41.4 = 61.7kN A sw Vwd 61.7 10 3 = = = 0.82mm2 / mm s 0.9 d1 fywd 0.9 410 204 Valin 2 10 A sw = 157mm2 1 295 2 2 295 VRd2 = = 58.9kN < VSd,d1 = 78.8kN < VRd2 = = 196.3kN 5 5 3 3 siis s max = 0.6 d1 = 0.6 410 = 246mm < 300mm A sw 157 s= = = 191mm < s max = 246mm A sw / s 0.82 Võtan s=190mm A sw 157 w = = = 0.0041 > w,min = 0.0016 s b w sin 190 200 sin 90°
kus: z = 0, 9 · d = 0, 9 · 0, 54 = 0, 49m -- sissej~oude ~olg Asw -- u ¨hes tasandis paikneva p~ oikarmatuuri ristl~oikepindala s -- rangide samm 18 fywd -- p~oikarmatuuri arvutuslik voolavustugevus 1 -- p~oikj~ oust pragunenud betooni tugevuse v¨ahendustegur cw -- surutud v¨ o¨ o pingeolukorra arvesse v~ottev tegur 1 cot 2, 5 oikelised rangid 210 A400 mille ristl~oikepindala on Asw = 157mm2 , sammuga Valin kahel~ 180mm: fck 25 1 = = 0, 6 · 1 - = 0, 6 · 1 - = 0, 54 (186) 250 250 Asw · fywd 157 · 350 sin = = = 0, 336 (187)
annaabi.ee 
