Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios

Saeid Moghimi; Hojjat Hosseınnezhad; Mustafa Emir Bayram; Derviş Orhan; Adil Gültekin; Kambiz Ramyar

doi:10.35860/iarej.1777248

Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios

Abstract

Crystalline waterproofing admixtures (CWA) are used to reduce permeability and provide self-healing effect. Although previous studies have investigated the effects of crystalline admixtures on strength and durability properties of concrete, the effects of these admixtures on the modulus of elasticity of concretes with different W/C ratios remains an area requiring research. In this study, the effect of self-healing provided by CWA on the permeability and mechanical properties of concrete particularly its modulus of elasticity was investigated. For this purpose, 12 concrete mixtures with three different water-to-cement ratios (0.4, 0.5, and 0.6) and four different CWA dosages (0, 0.5, 0.8, and 1.2% by weight of cement) were designed. Three series of specimens were prepared. While one series was tested at the end of 28-day curing without any additional process, second series was pre-loaded to 65% of its compressive strength to induce damage. The last series, following damage induction, underwent additional water curing for 21 days to assess self-healing capacity. To facilitate the observation of self-healing, pre-loading was applied to induce micro-damage. The results indicated that self-healing occurred in concretes containing CWA, the phenomenon verified through SEM imaging. An examination of modulus of elasticity test results revealed that the reference concretes (produced without CWA inclusion) exhibited no substantial improvements. However, CWA-bearing concretes demonstrated enhanced modulus of elasticity, with optimal CWA dosages determined as 1.2%, 0.8%, and 1.2% for W/C ratios of 0.4, 0.5, and 0.6, respectively. Furthermore, the CWA reduced water absorption and water penetration depth under pressure, while enhancing both splitting tensile and compressive strengths.

Keywords

References

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Details

Primary Language

English

Subjects

Construction Materials

Journal Section

Research Article

Authors

Saeid Moghimi
0000-0002-6563-9548
Türkiye

Hojjat Hosseınnezhad
0000-0002-9846-2435
Türkiye

Mustafa Emir Bayram
0000-0001-8452-3447
Türkiye

Derviş Orhan
0009-0002-2040-5163
Türkiye

Adil Gültekin ^*
0000-0002-5267-5312
Türkiye

Kambiz Ramyar
0000-0003-2200-2691
Türkiye

Publication Date

April 20, 2026

Submission Date

September 4, 2025

Acceptance Date

March 23, 2026

Published in Issue

Year 2026 Volume: 10 Number: 1

DOI

https://doi.org/10.35860/iarej.1777248

IZ

https://izlik.org/JA72PK23BG

Cite

RIS / Bibtex

APA

Moghimi, S., Hosseınnezhad, H., Bayram, M. E., Orhan, D., Gültekin, A., & Ramyar, K. (2026). Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios. International Advanced Researches and Engineering Journal, 10(1), 1-13. https://doi.org/10.35860/iarej.1777248

AMA

1.Moghimi S, Hosseınnezhad H, Bayram ME, Orhan D, Gültekin A, Ramyar K. Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios. Int. Adv. Res. Eng. J. 2026;10(1):1-13. doi:10.35860/iarej.1777248

Chicago

Moghimi, Saeid, Hojjat Hosseınnezhad, Mustafa Emir Bayram, Derviş Orhan, Adil Gültekin, and Kambiz Ramyar. 2026. “Effect of Crystalline Waterproofing Admixture on Modulus of Elasticity of Concrete With Different W C Ratios”. International Advanced Researches and Engineering Journal 10 (1): 1-13. https://doi.org/10.35860/iarej.1777248.

EndNote

Moghimi S, Hosseınnezhad H, Bayram ME, Orhan D, Gültekin A, Ramyar K (April 1, 2026) Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios. International Advanced Researches and Engineering Journal 10 1 1–13.

IEEE

[1]S. Moghimi, H. Hosseınnezhad, M. E. Bayram, D. Orhan, A. Gültekin, and K. Ramyar, “Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios”, Int. Adv. Res. Eng. J., vol. 10, no. 1, pp. 1–13, Apr. 2026, doi: 10.35860/iarej.1777248.

ISNAD

Moghimi, Saeid - Hosseınnezhad, Hojjat - Bayram, Mustafa Emir - Orhan, Derviş - Gültekin, Adil - Ramyar, Kambiz. “Effect of Crystalline Waterproofing Admixture on Modulus of Elasticity of Concrete With Different W C Ratios”. International Advanced Researches and Engineering Journal 10/1 (April 1, 2026): 1-13. https://doi.org/10.35860/iarej.1777248.

JAMA

1.Moghimi S, Hosseınnezhad H, Bayram ME, Orhan D, Gültekin A, Ramyar K. Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios. Int. Adv. Res. Eng. J. 2026;10:1–13.

MLA

Moghimi, Saeid, et al. “Effect of Crystalline Waterproofing Admixture on Modulus of Elasticity of Concrete With Different W C Ratios”. International Advanced Researches and Engineering Journal, vol. 10, no. 1, Apr. 2026, pp. 1-13, doi:10.35860/iarej.1777248.

Vancouver

1.Saeid Moghimi, Hojjat Hosseınnezhad, Mustafa Emir Bayram, Derviş Orhan, Adil Gültekin, Kambiz Ramyar. Effect of crystalline waterproofing admixture on modulus of elasticity of concrete with different W/C ratios. Int. Adv. Res. Eng. J. 2026 Apr. 1;10(1):1-13. doi:10.35860/iarej.1777248