Quarry rock dust (QRD), a waste obtained during the quarrying process is a significant source of air pollution yet has the potential of becoming a sustainable and economical alternative to sand in concrete. Studies confirmed that replacing sand in conventional concrete with QRD increases its durability and robustness by ten percent.
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The dust from rock quarry used in the concrete mix as per IS 383:1970 and the grade . Results. The strength of the hardened concrete is obtained for flexure and compressionas per experimental study for the concrete having river sand replacement in the percentage of 0%, 25%, 50% and 75%. The results obtained are mentioned graphically as below ...
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Connect and query BigQuery datasets directly from Dust Import data from your BigQuery tables into your workspaces
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dust increases the workability of the concrete decreases due to the absorption of the water by the quarry dust. The specific gravity is almost same for both the natural river sand and quarry dust. The physical properties parameter like particle size distribution and bulking has shown high variation which can affect the mix design of the ...
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In addition, quarry dust is utilised in the manufacturing of concrete cubes at a replacement level of 30% by fine aggregate. These cubes were allowed to cure for seven days, twenty-eight days, fifty-six days, and ninety days, and then the results of compressive strength and split tensile strength tests were recorded. The following conclusions ...
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of sand with quarry dust (20, 30 and 40%) o n the properties of concrete in both fresh and hardened state. Saifuddin (2001)[8] studied the influence of partial replacement of sand with quarry dust and cement with mineral admixtures on the compressive strength of concrete
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The use of crushed quarry dust as a partial replacement of river sand in concrete production was investigated in this study. This is expedient as quarry dust can be available at some locations ...
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2.3 Quarry Dust:- Quarry dust is obtained from sawargaon plant. Sr.no. Test Reading 1. Fineness modulus 2.90 2. Specific Gravity 2.50 3. Water Absorption 0.5% 4.. Surface texture Rough 5. Practical shape Fine powder III. EFFECT OF QUARRY DUST ON PROPERTIES OF CONCRETE MIX 7 days In N/mm2 14 days In N/mm2 28 days in N/mm2 CC 27.71 33.32 42.93
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Quarry Rock Dust can be defined as residue, tailing or other non-voluble waste material after the extraction and processing of rocks to form fine particles less than 4.75mm. Usually, Quarry Rock ...
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Quarry dust from the Devri stone is an impure byproduct of limestone. In Kashmir's highlands, there is a unique type of stone called devri stone. Devri stone quarry dust is a waste byproduct that should be utilized in all construction projects to prevent environmental harm from its disposal. This quarry dust is produced in large quantities by ...
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The results showed that the highest value of compressive strength test is from a sample of 70% quarry dust of 31.07 N/mm ² which consisted ratio of 1 cement: 1.8 sand: 4.2 quarry dust while for water absorption test, the highest reading was recorded by 0 % sample of quarry dust with a ratio of 1 cement mixture: 5.1 sand of 11.8%.
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Quarry dust is one of the alternatives as it has some advantages over river sand such as better contribution to the strength of the cementitious material, better workability, lesser cement consumption and eco-friendly. The present study explored the feasibility of using quarry dust as fine aggregate in manufacturing cement blocks.
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quarry dust provides good cohesiveness to the mix because of its high fineness and it also increases the demand of water which was observed. Micro filling ability is demonstrated by the use of quarry dust. Utilization of quarry dust in the manufacturing of concrete helps in the production of green concrete. 3.
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Sand demand is currently very high and constantly increased up to cause problems in the construction industry. In an effort to solve this problem, various studies have been conducted as an alternative to replace the use of sand and among them are the
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Quarry dust is a byproduct that is generated from the crushing plants and which is abundantly available to an extent of millions of tonnes per year associated with disposal problems and serious ...
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The dust from rock quarry used in the concrete mix as per IS 383:1970 and the grade is considered as second zone. The coarse aggregates as per IS 383:1970 used in the concrete mix, the different test on the coarse aggregates as per IS 2386:1963 part-III also carried out. It has been found that for the coarse aggregates physical characteristics ...
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More specifically, vast volume of limestone fines present in QD, are formed throughout the extraction, transporting, and crushing procedures used to produce aggregates [19].Fine airborne substances, like silt and dust, can be created and discharged at nearby environment, mainly throughout the crushing and screening phases [20].Silt exists in …
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We have the capacity that more than 300 cubes of aggregates are delivered per day island wide. Cost for our products are very reasonable when comparing market prices. We …
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Download scientific diagram | Particle size distribution curves for river sand and quarry dust from publication: Comparison of physical and mechanical properties of river sand concrete with quarry ...
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