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Our projects aim to make sustainable concrete. To alleviate the scarcity of drinking water, sea water can be used in the construction for mixing and curing, with sea sand replacing river sand, and GGBS and Fly ash as supplementary cementitious materials, resulting in a sustainable concrete that can be used in societies where fresh water is scarce.
In this research, the mechanical properties such as Compressive strength, Flexural strength, Split Tensile strength of the specimens were investigated. This study also looked at the specimens' durability properties, such as Sorptivity , and the Rapid Chloride Penetration Test.
From previous literature reviews, the use of sea water is likely to enhance the strength growth of the concrete at early stages due to the high chloride content in sea water. According to most research, seawater concrete has a much higher 7-day compressive strength, a comparable 28-day compressive strength, and a later drop in long-term compressive strength than regular concrete.
In this research, the specimen comprised of Ordinary Portland Cement (OPC 43 grade) with other binding materials like Ground Granulated Blast Furnace Slag (GGBS), Fly Ash, sea sand and river sand which were subjected to wetting drying cycles. The concrete specimen consists of 50% cement, 25% GGBS, 25% Fly Ash as binding material, 50% river sand and 50% sea sand as fine aggregates and gravels as coarse aggregate. The specimen was casted and cured in both tap water and sea water for 7 days, 28 days, 56 days and the results for the tests were noted. Also, these results were compared with convectional concrete cubes.
When cured in tap water, the cubes' compressive strength was 33.71 N/mm2 after 7 days, 34.66 N/mm2 after 28 days, and 47.11N/mm2 after 56 days, whereas when cured in sea water, the cubes' compressive strength was 32.44 N/mm2 after 7 days, 38.665N/mm2 after 28 days, and 41.77 N/mm2 after 56 days. As the curing time went on, the strength of the cubes improved. In addition, the strength of tap water and sea water curing were nearly identical.
The findings of this study show the necessity for more research into the properties of seawater and its use in concrete mixing and curing.
Keywords:
study of concrete
Cite Article:
"Experimental Study of Mechanical and Durability parameters of Sustainable Concrete", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.7, Issue 5, page no.394 - 398, May-2022, Available :http://www.ijrti.org/papers/IJRTI2205067.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator