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WEBAC injection solutions based on alkali silicate are designed for solidifying and stabilizing soil and masonry. These alkali silicates are characterized by their low viscosity, good penetration and fast strength development.
Alkali silicate can be used for installing a post-construction damp-proof course against capillary rising moisture. It also has a hydrophobizing effect on the capillary pores. Fully reacted WEBAC silicate injection solution is resistant to standard chemical loads usually found in building structures.
Structural analysis before the injection:
Structural analysis before the soil solidification:
This provides information on:
Masonry solidification/damp-proof course by means of solidifying alkali silicate injection
The injection pressure depends on the nature and condition of the building structure. The material is injected from bottom to top, beginning at the lower grid level. The injection process is continued until material emerges from the adjacent packers or the masonry is obviously saturated. When performing pressureless injections, the drill holes are filled via feed tanks until the masonry no longer absorbs any liquid. The drill holes must be filled continuously with the alkali silicate solution to obtain an even distribution.
The alkali silicate material is applied by impregnation or by injection with a 1C pump via drill holes/lances/injection packers. Only inject pure WEBAC silicate injection solution free of residues from cleaning agents or other foreign matter.
Application by 1C pump:
Silicate injection solution: final work