The center of mass is at 137.4mm above the lowest point on the drawing. The moment of inertia is Calculate the bea...

Question

Question

The center of mass is at 137.4mm above the lowest point on the drawing.

The moment of inertia is 4.1488 104mm

$N 17 kN$

$1. = 12h:N$

$M -33kNm$

120 mm 3

Calculate the beam shear.

4.1488 104mm
N 17 kN
1. = 12h:N
M -33kNm
120 mm 3

Answer 1

Answer #1

Ans) We know,

Beam shear = M y / I_x

where, M = moment

y = distance of centroid from lowest point

I_x = moment of Inertia

Putting values,

Beam shear = 33 x 10⁶ x 137.4 / 4.1488 x 10⁴

= 109.29 kN/mm²

Longitudinal shear force at bottom of beam = F b²h² t² / 4 I_x

= 109290 x 120² x 200² x 3² / 4 x 4.1488 x 10⁴

= 3414 kN/m

Answer 2

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