 The core in a sandwich panel differs from the web of an I-beam in that it maintains a continuous support for the facings, allowing the facings to be worked up to or above their yield strength without crimping or buckling.Obviously, the bonds between the core and facings must be capable of transmitting shear loads between these two components, thus making the entire structure an integral unit.The load-carrying capacity of a sandwich panel can be increased dramatically by introducing light steel framing.