Effect of Crystalline Waterproofing Admixture on the Transport Properties of Concrete

Year 2023, Volume: 15 Issue: 2, 472 - 483, 14.07.2023

Oguzhan Şahin

https://doi.org/10.29137/umagd.1234584

Abstract

In this study, the effect of crystalline waterproofing admixture on the permeability and transport properties of cementitious systems was investigated. In this regard, concrete mixtures were produced by using two different crystalline waterproofing admixtures. Compressive strength test, test for determination of resistance of capillary absorption, pressurized water permeability test and chloride ion permeability test were performed on the concrete specimens, and the obtained results were presented. In addition to these tests, microstructural analyzes were applied to the specimens to illustrate the crystal structure formation in the concrete mixtures containing admixtures. According to the results of this study, the changes in the compressive strength test results depending on the use of additives were limited. The crack healing potential of the mixtures increased with the use of additives. In general, it can be deducted from the results of this study that the crystalline waterproofing admixtures are quite effective in reducing permeability.

Keywords

permeability, crystalline waterproofing admixture, transport properties, cementitious systems, mechanical properties, geçirimlilik, kristalize geçirimsizlik katkıları, taşıma özellikleri, çimento esaslı sistemler, mekanik özellikler

Kristalize Geçirimsizlik Katkılarının Betonun Taşıma Özellikleri Üzerindeki Etkisi

Abstract

Bu çalışmada kristalize geçirimsizlik katkılarının beton malzemesinin geçirimlilik ve taşıma özellikleri üzerindeki etkisi incelenmiştir. Bu bağlamda iki farklı kristalize geçirimsizlik katkısı kullanılarak beton karışımları üretilmiştir. Üretilen karışımlar kullanılarak hazırlanan numuneler üzerinde basınç dayanımı, kılcal geçirimlilik, basınçlı su geçirimliliği ve klor iyon geçirimliliği testleri uygulanmış ve bu testlerden elde edilen sonuçlar sunulmuştur. Bu testlere ilaveten karışımlara mikroyapısal analizler uygulanarak katkılı beton karışımlarındaki kristal yapı oluşumları gösterilmiştir. Çalışma sonuçlarına göre katkı kullanımına bağlı olarak basınç dayanımlarında gözlemlenen değişimler sınırlı olmuştur. Katkı kullanımıyla birlikte karışımların çatlak iyileştirme potansiyelleri artmıştır. Genel olarak çalışma sonuçlarından katkıların geçirimliliği azaltma konusunda oldukça etkili olduğu anlaşılmaktadır.

Keywords

permeability, crystalline waterproofing admixture, transport properties, cementitious systems, mechanical properties, geçirimlilik, kristalize geçirimsizlik katkıları, taşıma özellikleri, çimento esaslı sistemler, mekanik özellikler

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