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Aluminum Extrusion w/Phenolic Resin Thermal Break

Aluminum Extrusion w/Phenolic Resin Thermal Break

Aluminum Extrusion w/Phenolic Resin Thermal Break

(OP)
I have an aluminum extrusion with a phenolic resin thermal break. The extrusion is in an H shape to receive an aluminum sandwich panel on each side. The panels are 2.5" thick to match the slot between the flanges of the H shape.

The phenolic resin is poured into a cavity in the extrusion. After it hardens, a segment of the aluminum is cut away to provide a thermal break.

I need to compute the axial load and bending load structural capacity of this composite member. How should I compute the composite structural properties of this member?

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