SANDWICH PANEL MECHANICAL STRENGTH

Used as a cladding material in building roofs, exteriors, interiors, or cold rooms, sandwich panels are featured in architectural preferences thanks to its quick assembly, high insulating properties as well as load capacity. Various factors such as dead weight, wind load, temperature affect buildings on its own or in combination with each other. ASSAN PANEL roof and exterior wall system load-bearing tables offer various products suitable for any specific architectural project requirements. As sandwich panels are composite materials consisting of polyurethane filling material between two metal sheets, their behavior against the exposed loads should be evaluated with caution. Although each of metal surfaces and polyurethane filling material has individual bearing capacity, they have difficulty in even carrying their own weight due to low young’s modulus (elasticity) values. On the other hand, since composite form offers high shear strength and bending strength, each layer provides a new system having a better load bearing capacity. Due to homogeneous distribution and high adherence in joints, only the metal surfaces account for the bending moment, which directly affects buckling on the surface. On the other hand, most of the shear effect is compensated by the filling material which is thicker than the metal surfaces. For this reason, composite system offers various advantages to sandwich panels due to increased shear capacity. In conclusion, corrugated form of panels and filling material strength greatly affect the bearing capacity.

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