Lightgage steel joist composite wall body

The utility model discloses a lightgage steel joist composite wall body which comprises a wall body keel mechanism, wherein the wall body keel mechanism comprises a supporting steel keel and a frame steel keel; pad blocks are arranged on two sides of the supporting steel keel; panels are arranged on the outer sides of the pad blocks; the panels penetrate through the pad blocks and are fixedly connected with the supporting steel keel through connecting pieces; foam concrete is filled in a hollow cavity formed by the panels; wallpaper is arranged on the outer walls of the panels; the connecting pieces are countersunk bolts; the supporting steel keel and the frame steel keel are C-shaped steel, and a reserved pipeline is arranged inside the wall body keel mechanism. According to the utility model, the double layer supporting steel keels are adopted according to needs, so the thickness of the wall body is increased, and the sound insulation and thermal insulation effects can be enhanced; the composite wall body can adapt to different positions and environments; the intensity and the smoothness of the wall body are guaranteed; the C-shaped steel is used so that the foam concrete can be fully filled; the comprehensive performance of the wall body is guaranteed; the composite wall body can adapt to industrial production, and is worth popularizing and applying.