Conclusions
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1.
Vibroactivation and pregrinding of cement (especially in high-fill systems with low W/C ratio) enable us to create homogeneous, finely-crystalline, finely-capillary concrete.
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2.
The structure-forming role of quartz microfiller in adhesive appears in the growth of the specific surface of the pore capillaries and the proportion of fine pores.
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3.
As more quartz is added up to the optimal quantity, the structure of the adhesive improves. Above this limit the proportion of coarse pores begins to increase, together with the overall porosity, owing to excess of water for the case W/S=const, or owing to incomplete compaction at constant water-cement ratio. For the compositions investigated (W/S=const) the best amount of added quartz is 20–30%.
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4.
Vibroactivation of high-fill systems based on finely-ground cement and the addition of quartz microfiller up to 40% secure high water-imperviousness of colloidal cement adhesive and solutions based on it.
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5.
The experimental data on the pore structure and water imperviousness show that CCA and CCS can be successfully used as waterproofing materials.
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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 5, pp. 15–18, May, 1970.
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Klimanova, A.F., Dubnikov, L.M., Ur'ev, N.B. et al. The pore structure and waterproofing properties of colloidal cement adhesive and solutions based on it. Hydrotechnical Construction 4, 404–408 (1970). https://doi.org/10.1007/BF02376136
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DOI: https://doi.org/10.1007/BF02376136