About the authors
| First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address. | Bogdanov R.R. – post-graduate student, assistant E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Ibragimov R.A. – candidate of technical sciences, senior lecturer E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Izotov V.S. – doctor of the technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1 |
| Title of the article | Studies of the influence of super- and hyper plasticizers on the basic properties of cement paste |
| Abstract. | Self-compacting concrete is becoming more and more popular in Russia. Self-compacting concrete (SCC) – a new type of concrete that does not require vibration during installation. He is able to flow under its own weight, completely filling the casing. Efficiency of the development and application of self-compacting concrete solutions to construction problems related to the optimization of particle size distribution of aggregates and the introduction of active mineral additives. Also an important part of self-compacting concrete is super and hyper plasticizers. Due to the large variety of chemical additives on the market, requires research to determine the most appropriate modifiers for a given composition of SCC. The paper presents the experimental study of super- and hyper plasticizers domestic and foreign production. The influence of plasticizers on water-reducing performance and setting time of cement paste. The graphs with the temperature curves of hydration of Portland cement plant Wolski with the test additives, which show that all the supplements slow the hydration of Portland cement. We also present data on the measurement of contraction of cement paste with the addition of plasticizers on tester of contraction activity of cement «Cement-prognosis». Studies have shown a high performance additives based on esters of polycarboxylates. |
| Keywords. | Super plasticizers, hyper plasticizers, modification, metakaolin cement paste. |
| For citations: | Bogdanov R.R., Ibragimov R.A., Izotov V.S. Studies of the influence of super- and hyper plasticizers on the basic properties of cement paste // Izvestiya KGASU. 2013. №2(24) P.221-225. |
