The easiest way to add strength is to add cement. The factor that most predominantly influences concrete strength is the ratio of water to cement in the cement paste that binds the aggregates together. The higher this ratio is, the weaker the concrete will be and vice versa. Every desirable physical property that you can measure will be adversely effected by adding more water.
Deagglomeration in the homogenization step might be helpful. We used an ultrasonic processor with high-intensity ultrasonic waves based on the acoustic cavitation phenomenon and the conventional mechanical milling method with zirconia balls to homogenize and deagglomerate the powders in the first step of the solid-state processes. These processes improved the structure of the ceramics.
https://www.researchgate.net/publication/305729376_Effects_of_Ultrasonication_and_Conventional_Mechanical_Homogenization_Processes_on_the_Structures_and_Dielectric_Properties_of_BaTiO3_Ceramics
Article Effects of Ultrasonication and Conventional Mechanical Homog...
Hi Brahma
Adding more cement is not desirable because of the negative impact of cement on the environment. Part of the cement may be replaced by some construction waste material (glass powder, ceramic waste, gypsum, fly ash, etc.), leading to comparable strength results.
http://www.ijste.org/articles/IJSTEV2I8001.pdf
http://www.ijera.com/papers/Vol4_issue7/Version%204/H047043740.pdf
Best wishes
water is the enemy, this in simply way, if you control it you will be good, sure additive play the main factor for strength process.
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