0.8 fcd b w 0.8 0.85 13.3 250 x c2 = 109mm < x = 185mm < x c = 400mm , jarelikult MRd = 0.8 fcd b w x ( d1 - 0.4 x ) + fycd A s2 ( d1 - d2 ) = = [0.8 0.85 13.3 250 185 (594 - 0.4 185) + + 340 509 (594 - 56 )] 10 -6 = 319kNm - 2 22 A S1 = 760mm2 A S1 760 1 = = = 0.0050 b w d1 250 594 A S1 fyd - A s2 fycd 760 340 - 509 340 x= = = 38mm 0.8 fcd b w 0.8 0.85 13.3 250 x = 38mm < x c2 = 109mm < x c = 400mm , jarelikult
x 30, 3 = = = 0, 0562 < c = 0, 667 (147) d1 539 y = 0, 8 · x = 0, 8 · 30, 3 = 24, 2mm (148) MRd = ·fcd ·bef f,1 ·y·(d1 -0, 5·y) = 1, 0·16, 7·1390·24, 2·(539-0, 5·24, 2) = 296, 0kN m (149) Keskmises avas (222 As1 = 760mm2 ): fyd · As1 350 · 760 x= = = 17, 0mm (150) 0, 8 · · fcd · bef f,2 0, 8 · 1, 0 · 16, 7 · 1170 x 17, 0 = = = 0, 0315 < c = 0, 667 (151) d1 539
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