Analysis the nonlinear finite element of bearing capacity of recycled concrete filled steel tubular columns

The research on the recycled concrete column of steel tube is helpful to recycle and reuse the waste, and reduce construction costs and the use of non-renewable resources, this is of great significance to the sustainable development of China's economy. In this paper, the ABAQUS software was used to carry out the nonlinear finite element analysis of the T shape and L shaped steel tubular concrete column, and the buckling analysis and stress deformation analysis were carried out. According to the results of the analysis, it can be seen that the mechanical properties and deformation behavior of recycled concrete members and ordinary concrete members are similar, which can be used in practical construction.