SUSTAINABLE MODIFIED POLYPROPYLENE FIBER CONCRETE BASED ON INDUSTRIAL WASTE
DOI:
https://doi.org/10.58225/q42mhn90Keywords:
fiber concrete, ecology, sustainable development, industrial waste, cement production, economic efficiency, effectiveness, productivity, environment, savingsAbstract
In the current research, the feasibility of using dense mountain rocks and industrial waste of various origins as mineral additives in cement systems, as well as in combination with various plasticizing additives, was studied. In the experiments, fine powdery aluminum oxide production waste, natural quartz rock and dense stone dust from crushed stone production, which pose a potential ecological threat to the environment in the Republic of Azerbaijan, were used and it was determined that these ultrafinely ground components can be applied as mineral additives in cement systems, and in this case, the compressive strength of cement stone increases by 4-10%. It was determined that by using these finely ground additives in combination with S520 brand superplasticizer and HP777 brand hyperplasticizer, the compressive strength of heavy concrete increased by 15.5%. The effect of such complex additives on polypropylene fiber fiber concretes was studied and it was determined that the strength of the resulting fiber concrete increased by 18-40%. The compressive strength of the obtained fiber concretes was determined to be 48.35-58.92 MPa, the average density was within the range of 2400-2467 kg/m3, and at the same time, other main operational indicators (impact resistance (12.72%), dynamic stability (4.16%), bending strength (3.03%), bending tensile strength (9.09%), friction (4%) and water resistance (9.63%)) were higher than those of ordinary polypropylene fiber fiber concrete. The cost of such concretes was determined to be 2.23 AZN cheaper than polypropylene fiber concrete. As a result of the conducted scientific research work, a modified polypropylene fiber concrete with technical and economic environmental and ecological effectiveness was obtained.
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Copyright (c) 2025 Gulbazar Mediyeva, Tahira Hagverdiyeva, Khayala Jamalova (Author)
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