Micro-Cement for Injection Consolidation of Base Soils

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Issues of development of compositions of injectable materials on inorganic basis for underground and transport construction are considered in the paper. Inorganic binders for aqueous suspensions for strengthening of low-strength sandy and debris soils by injection into the fortified massif are proposed. The use of silica gel in combination with hydrated lime for injectable aqueous suspensions is justified. The influence of superplasticizer on the technological properties of suspensions is shown. The properties of micro-cement of different compositions are presented. Optimal ratios of components were determined. The following properties of aqueous suspensions have been studied: viscosity, sedimentation and penetrating power. The viscosity was up to 40 s, sedimentation up to 1.4%. Soil-concrete obtained by injecting the aqueous suspension based on composite binders has the compressive strength in the range of 3.3-6.2MPa.




Smirnova*, O. M., Glazev, M. V., … Vilenskii, M. Yu. (2019). Micro-Cement for Injection Consolidation of Base Soils. International Journal of Innovative Technology and Exploring Engineering, 9(2), 2173–2177. https://doi.org/10.35940/ijitee.a6142.129219

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