Experimental studies of soil base deformations under the model of flexible bottom of steel vertical tanks

Mangushev, R. A.; Konyushkov, V. V.; Usmanov, Rustam; Kirillov, V. M.

doi:10.1201/9780429058882-32

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“…At the same time, their conditional viscosity was in the range of 36-37 s. This is not much higher than the water conditional viscosity that is equal to 32 s. Such suspensions have a good penetrating ability and allow obtaining soil-concrete when injected into sandy soil. Consolidation of soils has different purposes: consolidation of unstable soils, construction of ground water cutoffs and increase of bearing capacity of the soil for the foundation bases [44][45][46][47][48][49][50]. The bases under the foundations should have increased compressive strength.…”

Section: Research Results and Discussionmentioning

confidence: 99%

Micro-Cement for Injection Consolidation of Base Soils

Smirnova*,

Glazev,

Komolov

et al. 2019

IJITEE

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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.

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