Retaining appts. for continuous wall construction process

The utility model relates to a soil blocking device for a continuous wall construction method, which is composed of a base seat and a plurality of sleeve pipes, wherein the base seat is provided with a guiding frame on a bottom seat; each of the four corner sides of the bottom seat is provided with a traction device; the end of the traction device is engaged with a sliding block; the sliding blocks are driven by the traction devices, slide in sliding grooves in the bottom seat, and are engaged with driving pressure rods; the ends of the driving pressure rods are engaged with holders; the sleeve pipes are hollow pipe frames and are sheathed in the guiding frame of the base seat; the upper and the lower end edges of the sleeve pipes form engaging ends; the two sleeve pipes are connected by the engaging ends; each of the four sides of each sleeve pipe is provided with a fixed clamping fin for being clamped and fixed by the holders. When a concave ditch is excavated, the sleeve pipes are used for soil blockage. During grouting, the connected sleeve pipes are successively pumped away by the driving pressure for completing grouting operation. The utility model has the efficiency that soil collapse can be effectively prevented.