Micro-Cement for Injection Consolidation of Base Soils
O.M. Smirnova1, M.V. Glazev2, V.V. Komolov3, M.Yu. Vilenskii4

1O.M. Smirnova*, Saint Petersburg Mining University, Saint-Petersburg, Russia
2M.V. Glazev, Saint Petersburg Mining University, Saint-Petersburg, Russia
3V.V. Komolov, Saint Petersburg Mining University, Saint-Petersburg, Russia
4M.Yu. Vilenskii, St. Petersburg State University of Architecture and Civil Engineering, Saint-Petersburg, Russia

Manuscript received on November 14, 2019. | Revised Manuscript received on 23 November, 2019. | Manuscript published on December 10, 2019. | PP: 2173-2177 | Volume-9 Issue-2, December 2019. | Retrieval Number: A6142129219/2019©BEIESP | DOI: 10.35940/ijitee.A6142.129219
Open Access | Ethics and Policies | Cite | Mendeley | Indexing and Abstracting
© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: 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. 
Keywords: Micro-Cement, Injection, Suspension, Silica gel, lime, by-Product of Industry, Superplasticizer, Soil Consolidation, Ecology, Environmental Construction.
Scope of the Article: Construction Engineering