Synchronous grouting material based on mucky shield soil and preparation method thereof

The invention relates to the technical field of grouting materials, in particular to a synchronous grouting material based on mucky shield soil and a preparation method of the synchronous grouting material. The synchronous grouting material is formed by mixing finished soil slurry and a soil cementing material, wherein the finished product soil slurry is prepared from sludge shield muck, sodium carbonate and iron-chromium sodium lignin sulfonate through slurry making; each 1m < 3 > of the synchronous grouting material contains 0.75 t/m < 3 > to 0.82 t/m < 3 > of a sludge shield muck dry basis, 0.16 t/m < 3 > to 0.12 t/m < 3 > of a soil cementing material and the balance of water. According to the invention, sludge shield muck is utilized in a large mixing amount, soil slurry is modified in a slurry making link, and a soil cementing material, a preparation process flow and control indexes are designed. The invention develops a new way for the utilization of a large amount of sludge shield muck and the applicat