The utility model discloses a roadway grouting reinforcement structure, which is characterized in that a plurality of grouting units are uniformly arranged on a roadway bottom plate, each grouting unit comprises a grouting
deep hole, a sectional type
deep hole slurry pipe is arranged in each grouting
deep hole, a plurality of grouting shallow holes are arranged around the deep hole
slurry pipes, and the grouting shallow holes are communicated with the deep hole
slurry pipes. A sealing plug ring is arranged between any two adjacent sections of deep-hole slurry pipes, a central grouting
pipe is arranged in each deep-hole slurry
pipe, a grouting hole is formed in each central grouting pipe, and a grouting punch is inserted into the outer wall of each deep-hole slurry pipe in a sliding manner; the deep hole grouting device has the advantages that shallow hole grouting and deep hole segmented grouting are combined, the pressure maintaining effect of shallow layer sealing and deep layer grouting is good, meanwhile, the grouting punch is designed to conduct stress
impact on a deep hole rock wall, tiny cracks appear, slurry can permeate into the deep hole rock wall quickly, it is guaranteed that broken surrounding rock is effectively modified, and the service life of the deep hole rock wall is prolonged. And the grouting effect is obviously improved.