Combined foundation pit supporting structure

The utility model relates to a combined type foundation pit supporting structure which comprises a supporting pile, a top beam, a soil retaining plate, an inclined supporting plate and an anchor rod. The bottoms of the supporting piles are located below the bottom face of the foundation pit, and the tops of the supporting piles are located below the ground. Top beams are arranged at the tops of the support piles; the top of the top beam is provided with a soil retaining plate which is vertically arranged; the bottom of the inclined supporting plate is connected with the top beam, and the top of the inclined supporting plate is connected with the breast board. The utility model has the beneficial effects that the top beam and the pile top are lowered to a certain height under the ground, and the soil body above the pile top is vertically supported by arranging the thin soil retaining plate at the top of the top beam and arranging the inclined supporting plates at certain intervals, so that the length of the su