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Draw AFD, SFD & BMD for given frame.
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written 6.3 years ago by | • modified 6.1 years ago |
$\sum M_A=0\ (\circlearrowright +ve)$
$-V_D\times5+(\frac{1}{2}\times6\times5)(\frac{2}{3}\times6)+10\times1.5$
$+(2\times2)(3+1)+(\frac{1}{2}\times2\times2)\times(3+\frac{2}{3}\times2)=0$
$\boxed{V_D=19.934\ kN}\ (\uparrow)$
$\sum F_Y=0(\uparrow+ve)$
$V_A+19.934-10-(2\times2)-\frac{1}{2}\times2\times2=0$
$\boxed{V_A=-3.934\ kN}\ (\downarrow)$
$\sum F_X=0(\rightarrow+ve)$
$-H_A+\frac{1}{2}\times6\times5=0$
$\boxed{H_A=15\ kN}\ (\leftarrow)$
1. Consider part AB:
$BM_A=0\\BM_B=15\times6-\frac{1}{2}\times6\times5\times\frac{1}{3}\times6\\ BM_B=\underline{60\ kNm} $
2. Consider part BC:
$\textbf{1. Shear force calculation: }(\uparrow|\downarrow+ve)$
$SF_{BL}=0$
$SF_{BR}=-3.434\ kN$
$SF_{EL}=-3.434\ kN$
$SF_{ER}=-3.934-10=13.934\ kN$
$SF_F=13.934\ kN$
$SF_C=-19.934\ kN$
$\textbf{2. …
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