Mechano-chemical modification of cement with high volumes of blast furnace slag |
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| Affiliation: | 1. National Technical University of Athens, School of Mining and Metallurgical Engineering, Laboratory of Mineralogy, Petrology & Economic Geology, 9 Heroon Polytechniou St., 15773 Athens, Greece;2. National Technical University of Athens, School of Civil Engineering, Laboratory of Reinforced Concrete, 5 Heroon Polytechniou, 15773 Athens, Greece;3. National Technical University of Athens, School of Chemical Engineering, Laboratory of Inorganic and Analytical Chemistry, 9 Heroon Polytechniou St., 15773 Athens, Greece |
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| Abstract: | The application of chemical admixtures significantly improves the performance of cement-based materials. Some admixtures can also be used to modify the cement grinding process and induce changes in the structure of cement minerals due to mechano-chemical activation. A reactive silica-based complex admixture was developed for the modification of cement grinding. This paper examines the effect of grinding on the strength of a modified cement containing granulated blast furnace slag in high volumes. According to the test results, mortars based on the modified cement possess a compressive strength of up to 91.7 MPa, a 62% increase over the reference. |
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