Cement grouting is a specialized civil engineering process used to fill cracks, voids, and gaps in concrete, masonry, and soil structures to restore strength, reduce permeability, and improve overall stability. It is commonly applied in dams, tunnels, foundations, retaining walls, and other structures where water seepage or structural weakness needs to be controlled.
This method involves injecting a cementitious mixture under controlled pressure into targeted areas so that the grout penetrates and seals the voids, ensuring long-term durability and structural integrity.
TYPES OF CEMENT GROUTING WORKS
PERMEATION GROUTING
A low-pressure method used to fill voids in porous soil or weak concrete without disturbing the structure. It improves load-bearing capacity and reduces seepage around foundations and old masonry.
CURTAIN GROUTING
A series of grout injections forming a continuous underground barrier. Ideal for dams and hydraulic structures to minimize seepage through foundations or abutments.
PRESSURE GROUTING
Cement grout is injected at controlled pressure to seal cracks and joints in concrete or rock. Commonly used for dams, retaining walls, and foundations to stop leakage and improve strength.
CONTACT OR CONSOLIDATION GROUTING
Used to fill small gaps behind linings in tunnels or shafts. It strengthens fractured zones, ensures proper bonding, and improves overall stability.
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