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Draw AFD, SFD & BMD for given frame.
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written 7.2 years ago by | • modified 7.0 years ago |
∑MA=0 (↻+ve)
−VD×5+(12×6×5)(23×6)+10×1.5
+(2×2)(3+1)+(12×2×2)×(3+23×2)=0
VD=19.934 kN (↑)
∑FY=0(↑+ve)
VA+19.934−10−(2×2)−12×2×2=0
VA=−3.934 kN (↓)
∑FX=0(→+ve)
−HA+12×6×5=0
HA=15 kN (←)
1. Consider part AB:
BMA=0BMB=15×6−12×6×5×13×6BMB=60 kNm_
2. Consider part BC:
1. Shear force calculation: (↑|↓+ve)
SFBL=0
SFBR=−3.434 kN
SFEL=−3.434 kN
SFER=−3.934−10=13.934 kN
SFF=13.934 kN
SFC=−19.934 kN
2. Bending moment calculation: (↻|↺+ve)
BMB=60 kNm_ {obtained already}
BME {considering part EBA}
=15×6−12×5×6×13×6−3.934×1.5
BME {considering part EBA}=54.01 kNm_
BMF {considering part FEBA}
=15×6−3.934×3−12×5×6×13×6−10×1.5
BME {considering part FEBA}=33.198 kNm_
BMF {considering part CD}=0
∴
\underline{BM_C=0}
3. Consider part CD:
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