... Mbt = = 11 1, 79 kg.m = 11 1,79 kN.cm Vmax =0,86 kN ng sut phỏp ln nht: max M max + M bt 84, 47 .10 6 + 11 1, 79 .10 4 = = = 205,98 N/mm 1, 12 ì Wx 1, 12 ì 3 71. 103 max = 205,98 N/mm < ìc = 210 N/mm ... 01 (L-x 01 ) (13 1,59+2,66) 1, 7ì (14 -1, 7) M 01 = = 2 = 14 03,58 (kN.m) tt tt L V 01 = ( q dc + g dc ) -x 01 ữ= 711 ,53 (kN) M 01 h w 14 03,58 10 6 12 60 = ' ì =ì = 95,54 (N/mm ) Ix 9255 31 10 4 2 c ... bn bng: Mb = Iw 11 0 916 ,7 ìM1 = 11 88,7 = 364,425 (kN.m) I 3 617 96,7 Trong ú : I = 3 617 96,7 (cm ) Iw = 1 11 03 = 11 0 916 ,7 (cm ) 12 Chn bn thộp cú tit din l : (10 0 x 1) (cm),b rng 10 (cm) Kim tra...