Abstract:
The finite element analysis method was adopted to conduct the axial compression properties of steel square tube composite short columns filled with 8 unsymmetrical type steel-reinforced concrete. Moreover, the load-displacement curve of the combination columns in the axial compression process and the effects of different parameters were investigated, such as the concrete strength, stirrup ratio and confining index, on the axial compression properties of the combination columns, which provide relevant references and suggestions for practical engineering technology. The results of the research show that this new type of short combination columns is endowed with excellent axial compression properties.