Experimental Research And Finite-element Analysis On The Shearing Property Of The Compostite Wallboard Made Of Plasterboard And Concrete

The goverment advocate green buildings and building energy conservation.Tianjin Fulin Development limited company develop a series of fully functionalcompostite wallboard. The wallboard is mainly made of concrete, building plaster,flyash and the polystyrene used for thermal insulation. There are also link steelswithout cold bridge in the wallboard. The wallboard is produced in the factory. Theproduct will be cut according to the building designing drawings and the steelframework will be made before they are moved to construction site. At theconstruction site, they just need pouring the concrete after packaging the wallboard.Buildings using this kind of wallboard not only reduce energy consumption but alsoimprove the construction efficiency. So the research on the shearing property of thewallboard has important theoretical significance and engineering value.In this dissertation, the major achievements and the originality innovation areobtained as follows:1、According to the9test specimen of the shearing property experiment, we focuson the shearing property of the link surface between concrete and plasterboard. Alsofocuses on the shearing property of the link surface between plasterboard andpolystyrene board. Based on the shearing experiment of nine specimens, we contrastthe failure process, the crack pattern, the load-displacement curves, the shearcapacity and the maximum relative displacement, providing test data for the study ofmechanical property of this new kind of wallboard.2、By using general purpose finite element modeling software-ANSYS, some ofthe shearing test are made nonlinear finite-element analysis and develop mechanicanalysis model. based on the stress-strain property of the composite wallboard madeof plasterboard and concrete and considering the influences of the nonlinearity and soon, the nonlinear finite element analysis on the behavior of the shearing specimensunder different loads is carried out by employing the command stream edited withANSYS Parametric Design Language, and by comparison of analysis results andexperimental results, conclusion is obtained that the calculated results are muchcoincided with the tested results. Offering an effective reference for later computersimulative experiment of this new kind of wallboard.