| The following calculations are for the 200mm
Structural Box Gutter only and do not take into consideration the
additional Ring Beam Adaptor extrusion. |
|||||||||||||||||||||||||||
| Moments of Inertia I xx |
566.81 cm4
|
Modulus of Section Z xx
|
58.14 cm3
|
C x distance to Neutral Axis
|
4.25 cm
|
Moments of Inertia I yy
|
2027.03 cm4
|
Modulus of Section Z yy
|
199.50 cm3
|
C y distance to Neutral Axis
|
10.16 cm
|
| Mechanical Properties
Youngs Modulus of Elasticity E
|
68,500 N/mm2
|
Max permissible bending stress
|
154 N/mm2
|
Max permissible shear stress
|
83 N/mm2
|
Ultimate tensile strength
|
295 N/mm2 min.
|
0.2% Proof stress
|
255 N/mm2 min.
| Material: 6082 Extruded Structural Aluminium Alloy in "T6" condition. All calculations based on the cross-sectional view of the 200mm Structural Box Gutter shown below.  | |||||
