Rebar is a small type of steel, mainly used for the skeleton of reinforced concrete building components. Rebar is usually used in reinforced concrete, the effect of its stripes is to increase the friction force, make rebar and concrete bite together, form one,under the action of external force will not produce twitching phenomenon, improve the strength of concrete. Rebar is widely
used in building, bridge, road and other civil engineering construction. Large to highways, railways, Bridges, culverts, tunnels, flood control, DAMS and other public facilities, small to the foundation of housing construction, beams, columns, walls, boards.