The influence of carbonate additives on shrinkage deformations of cement stone

Y S Sarkisov; V K Kozlova; E V Bozhok; E Y Malova; A M Manoha

doi:doi:

The influence of carbonate additives on shrinkage deformations of cement stone

Published в Technique and technology of silicates · Volume 25, Issue 1, 2018 · Pages 7–11 · Rubrics: MAIN RUBRIC

Received: 21.03.2018 Accepted: 23.03.2018 Published: 25.03.2018 Language of publication: RUS

Authors

Y S Sarkisov ¹ · V K Kozlova ² · E V Bozhok ³ · E Y Malova ⁴ · A M Manoha ⁵

1 Tomsk State University of Architecture and Building

2 Polzunov Altai State Technical University

3 Polzunov Altai State Technical University

4 JSC «Iskitimtcement»

5 Polzunov Altai State Technical University

ABSTRACT

The authors give a full analysis of the causes of shrinkage deformations of cement stone in concrete. It is shown that the total amount of shrinkage deformations is composed of moisture and carbonation shrinkage, which is the result of carbon dioxide corrosion of cement stone. A method of forced carbonization is proposed to determine the value of carbonization shrinkage, it is shown that in the presence of carbonate additives Portland cement decreases the scale of carbonization shrinkage of cement stone. According to the authors, the cause of carbonation shrinkage during the service of cement stone are chemical reactions occurring during carbon dioxide corrosion and accompanied by the transfer of part of the chemically bound water to the free state.

KEYWORDS

shrinkage deformation carbonization shrinkage carbon dioxide corrosion carbonate additives Portland cement durability

Information References

Authors:

1. Tomsk State University of Architecture and Building

2. Polzunov Altai State Technical University

3. Polzunov Altai State Technical University

4. JSC «Iskitimtcement»

5. Polzunov Altai State Technical University

Type:

Article

Pages:

from 7 to 11

Status:

Published

Language:

Russian

Keywords:

shrinkage deformation, carbonization shrinkage, carbon dioxide corrosion, carbonate additives, Portland cement, durability

References

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The influence of carbonate additives on shrinkage deformations of cement stone

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