Matrix type design structure of U-shaped GRG suspended ceiling

The invention discloses a matrix design structure of a U-shaped GRG suspended ceiling, and belongs to the technical field of building decoration, the matrix design structure comprises a plurality of U-shaped keels, the middle parts of the U-shaped keels are concavely arranged, the two ends of the U-shaped keels are connected to a wall surface base layer through side keels, and the U-shaped keels are arranged along the linear direction; the plurality of reinforcing keels penetrate through the plurality of U-shaped keels, and the plurality of reinforcing keels are parallel to one another; a plurality of arc-shaped GRG plates; the arc-shaped GRG plate is loosened, under the sliding supporting effect of the sliding mechanism, the arc-shaped GRG plate is driven by the gravity effect to slide along the gradient of the U-shaped keel and automatically slide to the installation position, the arc-shaped GRG plate is pushed for position adjustment, and after position adjustment is completed, the position of the arc-shap