Testing On Axial Compression Of RC Columns Reinforced By Steel Wire

The structure of reinforcement become one of the hot issues to domestic and foreign scholars in recent years.The method of wire reinforcement have advantage of components increase less weight after reinforcement,cross section change little and the component environment space requirements is not high that is a new technology of building structure reinforcement.This article have wire reinforced axial compression test and the analysis of numerical simulation,researching the reinforcement mechanism and the reinforcement effect.Experimental study on axial compression concrete column of rectangular section on wire reinforcement.Designing four members contain the columns not reinforced,the column on horizontal wire reinforced winding space of 100mm,the column on helical wire reinforced winding space of 100mm and the column on helical wire reinforced winding space of 50mm,Researching the change of the load-bearing capacity and the strain of concrete surface,longitudinal steel and stirrup on axial compression of RC columns.The testing results showed the load-bearing capacity and ductility of RC columns were researched under two reinforcement methods and different winding spaces.The method of wire reinforcement can increase the load-bearing capacity and ductility of axial compression of RC columns.the smaller the winding spacing was,the greater the ultimate load and peak strain of RC columns could be.When the winding space is same,the helically-wound method is better than the horizontally-wound method on the the load-bearing capacity and ductility of RC column.Researching on simulation experiment of axial compression of RC columns wire reinforced.To establish the finite models of four testing members,compare with the testing result,verify the finite model correctness.To establish 16 the finite models of different methods of wire reinforcement and different winding spaces,comparing with the load-bearing capacity and ductility of RC columns.Bring up reasonable scope about winding spaces.