Grouting reinforcement technology i

Grouting reinforcement technology is mainly through the use of air pressure or hydraulic grouting pipe to inject grout into the middle of the base, grout through extrusion, infiltration, filling and other means, in the gap infiltration, by taking up the position occupied by water and air, and achieving the corresponding pressure through manual control, the grout can well connect the originally cracked and loose structure into a whole, gROUTING technology is the use of fill permeability, pressure, expansion of the technology, so that the strength of soil, because the soil layer of the soil has a certain degree of Heterogeneity, on the one hand, the injection of grout with a certain water cement ratio into the soil layer by drilling holes may make the grout holes expand outwards, resulting in a cylindrical body, the soil near the borehole will be squeezed and filled, and the soil next to the cement slurry will suffer some shear and damage, resulting in plastic deformation surface, and the soil far away from the cement slurry will have elastic deformation, the overall density of the soil near the borehole will further increase. Meanwhile, with the continued development of the soil joints and the penetration of cement slurry, in the course of formation, the cement slurry will produce strip-like massive crystals with different thickness and different directions, and the serous veins will be crisscrossed, which will cause the concretion to produce the hardening condition, which will lead to the continuous and close contact between the stone flake and the soil, the thick and thin columns with irregular diameter are produced along the polymer injection pipe. The Composite Foundation is formed between the columns and the compacted soil, and the settlement is controlled by the interaction, so the bearing capacity is further improved.