A Study on the Flow and Compressive Strength Characteristics of Dry Mortar for Apartment Houses based on Water-Binder Ratio

December 31, 2023  |  Vol.9, No.12  |  PP. 103-114  | PDF

AUTHORS:

Jisun Park, Department of Building Research, Korea Institute of Civil Engineering and Building Technology, Republic of Korea

KEYWORDS:

Drymortar, Flow, Compressive Strength, Test Method for Mortar, Water-Binder Ratio

Abstract

Due to a higher water-cementitious ratio than designed, the strength of the floor finishing mortar decreases, and the crack occurrence rate increases. Ultimately, this can lead to a deterioration in the soundproofing performance of the floor, resulting in usability issues with dry mortar. Therefore, design and on-site management of dry mortar products that can have a crack-free structure are necessary. To achieve this, it is most desirable to have consistent quality control regulations in both the manufacturing and on-site management stages. If achieving the same level of control is difficult, predictive measures of the strength that can be achieved with the applied water-cementitious ratio during on-site construction and quality control based on this prediction should be implemented. Hence, this study aims to compare and measure the changes in physical properties of dry mortar used for residential floorings according to differences in water-cementitious ratios and testing methods to derive correlation values of compressive strength for different water-cementitious ratios that can be utilized in the field. Two types of premixed dry mortars widely used in domestic construction were tested for on-site workability, flowability, and compressive strength. From the results, it was confirmed that ensuring consistent workability at the same water-cementitious ratio is essential for securing stable quality in residential floorings.

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References:

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Citations:

APA:
Park, J. S. (2023). A Study on the Flow and Compressive Strength Characteristics of Dry Mortar for Apartment Houses based on Water-Binder Ratio. Asia-pacific Journal of Convergent Research Interchange (APJCRI), ISSN: 2508-9080 (Print); 2671-5325 (Online), KCTRS, 9(12), 103-114. doi: 10.47116/apjcri.2023.12.10.

MLA:
Park, Jisun, “A Study on the Flow and Compressive Strength Characteristics of Dry Mortar for Apartment Houses based on Water-Binder Ratio.” Asia-pacific Journal of Convergent Research Interchange, ISSN: 2508-9080 (Print); 2671-5325 (Online), KCTRS, vol. 9, no. 12, 2023, pp. 103-114. APJCRI, http://apjcriweb.org/content/vol9no12/10.html.

IEEE:
[1] J. S. Park, “A Study on the Flow and Compressive Strength Characteristics of Dry Mortar for Apartment Houses based on Water-Binder Ratio.” Asia-pacific Journal of Convergent Research Interchange (APJCRI), ISSN: 2508-9080 (Print); 2671-5325 (Online), KCTRS, vol. 9, no. 12, pp. 103-114, December 2023.


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