Analytical Development on Light Weight Structures Using Hybrid Corrugated Core

Abstract

 A sandwich structured composite is a particular class of composite materials consists of two relatively thin, stiff, and robust faces separated by a relatively thick lightweight core. The core material is low strength material, but its higher thickness provides the sandwich composite with high bending stiffness with overall low density. Open and closed cell structured foams like polyethersulfone, polyvinylchloride, polyurethane, polyethylene or polystyrene foams, balsa wood, syntactic foams, etc. were used as corematerials commonly. In this project, the analytical development of lightweight structures made of the corrugated core along with bar connectors which are connected with friction weld is done. Bar connectors can resist longitudinal shear also it can prevent the uplift of the slab from the beam. Total deformations, stress distribution, and the strain developed in the sandwich beam are determined by preparing various models. Then it was compared with each other to choose the best model. The analysis is carried out with the help of the software ANSYS workbench.