Influence of various hydraulic binders on performance of very low porosity cementitious systems☆
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Cited by (8)
Experimental investigation on the effect of pressure-filtration method on compressive strength and microstructure of cement paste
2021, Construction and Building MaterialsCitation Excerpt :The total porosity of calcium aluminate cement decreased by 18% after the loading of the hot press for 0.5 h [27]. One step further, Xu et al. [28] studied the cement system on the basis of Roy’s method and obtained a cementitious material with two times the strength and one-fifth the porosity by combining low w/c with pressure compaction. It should be noticed that the microstructure would also change with the pressure.
Fractal characteristics of pore structure of hardened cement paste prepared by pressurized compact molding
2020, Construction and Building MaterialsPreparation and characterization of engineered stones based geopolymer composites
2018, Journal of Building EngineeringCitation Excerpt :A very attractive solution to the declined quality of the formed composite mixture is using a combination of very low w/c ratios, below w/c 0.1, and pressure compaction. This results in formation of a sub-microscopic pore structure and a significant increase in the quality of acquired engineering properties of the composites ([11,29–31,24,10]). It appears that low-porosity cement composites have a great potential for modification of composition and structure.
High strength metahalloysite based geopolymer
2014, Composites Part B: EngineeringCitation Excerpt :As examples can be mentioned empirical models of Hasselman et al. [71–75]. In the context of these claims and efforts programming approach for the prediction of compressive strength becomes an interesting and expanding domain [76–78]. Regression analysis was used for the assessment of empirical equations of the correlation between compaction pressure-compressive strength and compressive strength – porosity of the systems based on the metahalloysite and metakaolin based geopolymers and for the comparison with alkali activated blast furnace slag and Portland cement.
Dependence of efficiency of pressure compaction on the cement type used
2011, Construction and Building MaterialsProperties of metakaolin geopolymer hardened paste prepared by high-pressure compaction
2011, Construction and Building MaterialsCitation Excerpt :A very attractive solution of this approach represents the combination of super low w/c ratios, under w/c 0.1 and lower, and the pressure compaction of the fresh composite mixtures. The result is a submicroscopic pore structure and an adequate high increase of the quality of engineering properties of the composites [11–17]. It appears that low-porosity cement composites have a great potential of reconsideration and modification of composition and structure.
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The project supported by the Chinese National Fund of Natural Science.