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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Improvement of Strength and Chemical Resistance of Silicate Polymer Concrete
Author(s): Oleg Figovsky and Dmitry Beilin
Appears on pages(s): 97-101
Keywords: silicate polymer concrete; additives; tetrafurfuryloxisilane; furfuryl alcohol
Abstract:It has been known that acid-resistant concretes on the liquid glass basis have high porosity (up to 18-20 %), low strength and insufficient water resistance. Therefore they can not be used as materials for load-bearing structural elements. Significant increasing of silicate matrix strength and density was carried out by incorporation of special liquid organic alkali-soluble silicate additives, which block of superficial pores and reduces concrete shrinkage deformation. It was demonstrated that introduction of tetrafurfuryloxisilane additive sharply increases strength, durability and shock resistance of silicate polymer concrete in aggressive media. This effect is attributable to hardening of contacts between silicate binder gel globes and modification of alkaline component owing to "inoculation" of the furan radical. The optimal concrete composition with the increased strength, chemical resistance in the aggressive environments, density and crack resistance was obtained.
IJCSM, International Partner Access.
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