... truyền cấp chậm Ft3 = Ft4 = )(48, 430 066,6622,1 433 35.22 3 2NdTw==Fr3 = Fr4 = )( 43, 16 83 36,1568,20.48, 430 0.00 3 NCostgCostgFtwT==βαFa3 = Fa4 = Ft3.tgβ = 430 0,48.tg15 ,36 = ... có:DmmnpsbI 73, 161420.85 ,3 120120 3 311=== D6,2952,2467 ,3 120120 3 322===npsbIIDmmnpsbIII02, 43 03, 77.55 ,3 120120 3 3 3 3===Vậy: a1 =aw 1069,762 73, 16289,6912022 3 =−−=−sbIaDd ... =1,5.4,1951197 ,35 4202,12516422=+).→48 ,30 40.1,04,195119 3 ==Buσ, Tmax=kqt .TII =1,5.11 433 35,22=1715002, 83 98, 133 40.2,0 83, 1715002 3 ==Bτ→MPaBtd 234 98, 133 .34 8 ,30 22=+=σTại C:Mmax =kqt .Muc =1,5.26,282546625,566545,1796 43 22=+TMax...