x - x1 y - y1 = x2 - x1 y2 - y x - 1,5 p - 16, 666 = 2 p2 = 15,518 x - 11,111 1,5 - 0, 6 16, 666 - 0 x2 QB ''C = - (15,518 x - 11,111)dx = -(15,518 -11,111x + C1 ) = -7, 759 x 2 + 11,111x + C1 2 Piiritingimus Kui x = 1,5 Q = QC = 0 0 = -7, 759*1,52 + 11,111*1,5 + C1 C1 = 17, 45775 - 16, 6665 = 0, 79125 0, 791kN QB ''C = -7, 759 x 2 + 11,111x + 0, 791 Kui x = 0,6m QB ''C = QB = -7, 759*0, 6 2 + 11,111*0, 6 + 0, 791 = 4, 66436 4, 664kN Kui x = 1,5m QB ''C = QC = -7, 759*1,52 + 11,111*1,5 + 0, 791 = 0 Kui x = 1,0m QB ''C = QG = -7, 759*1, 0 2 + 11,111*1, 0 + 0, 791 = 4,143kN x3 x2 M B ''C = (QB ''C ) dx = (-7, 759 x 2 + 11,111x + 0, 791)dx = -7, 759 + 11,111 + 0, 791x + C2
lo 1800 = =6 b 300 NSd1 =1 NSd Siis c = 0.92 ja sc = 0.92 fyd A s 340 452 s = = = 0.22 fcd A 0.85 13.3 250 2 = c + 2 ( sc - c ) s = 0.92 + 2 ( 0.92 - 0.92) 0.22 = 0.92 NRd = ( fcd A + fyd A s ) = ( ) = 0.92 0.85 13.3 250 2 + 340 452 10 -3 = 791kN NRd = 791kN > NSd = 602kN Kandevõime on tagatud! - Põiksuunas armeerimine sw = 0.25 s = 0.25 12 = 3mm < min = 6mm s = 12 s = 12 12 = 144mm < s max = 300mm Valin rangid 6 s.140 2. korrus: 40 - Posti arvutuslik kõrgus l = 3600mm lo = l = 0.5 3600 = 1800mm - Pikisuunas armeerimine NSd = 1207kN A s,tot Valin = 0
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