The joint activation of the ashes with cement ensures a higher homogenization of the mixture, which results in significant cost savings, because does not require additional equipment for separate activation of materials. Besides, the joint activation of cement and ash significantly increases the strength of samples from cement stone and concrete. Thus, cement stone, obtained on the basis of jointly activated ash and cement, has an increased early strength due to increased pozzolanic activity of ashes and intensive hydration of clinker minerals, and late - due to the active participation of ash in the formation of the structure of cement stone. The obtained results make it possible to use ash and slag wastes more efficiently when obtaining cements and concretes on their basis.
ash-cement mixtures, pozzolanic activity, hydration, joint activation
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