fineness modulus of stone dust and fine aggregate should be comparable in order to use 4.2:-Stone dust: Stone dust is obtained at crusher plants where the artificial crushing of the rock or
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In this study dust which is a waste material stone crusher plant was used as a additive in artificial sand and the concrete made by using artificial sand with 20 % dust were found to be
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Test results indicate that crushed stone dust waste can be used effectively to replace natural sand in concrete. Concrete made this replacement attain the same compressive strength,
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201581;obtained for 40% replacement of s and by crusher dust (Quadri . et al., 2013). Its fineness modulus and . sp ecific gravity were 2.75 and 2.3 respectively. Particle size .
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crusher dust compared to conventional concrete. Lohani et al. (2012): The slump value increases with increase in percentage replacement of sand with quarry dust. The increase in dust
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With help of stone crusher large boulders of 100 to 150 mm size is reduced in smaller sizes. Crushed stone is separated Physical properties like specific gravity, fineness modulus etc.
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reported that beams with stone crusher dust and sand both developed same ultimate strength[4].Sahu, et al replaced Table 11: Mortar strength incorporating Quarry dust of
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This experimental study is to investigate the optimum fineness modulus range of crushed sand to be used in concrete mixes. For compressive strength determination of the hardened concrete,
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37;The suitability of quarry dust as alternative material for the river sand in concrete manufacturing is studied. M25 grade concrete was prepared with 0%, 20%, 40%, 60%, 80%
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11;Coarse fraction of CRD, generally, used as crushed sand or manufactured sand contains much fines or fillers when compared to natural sand. CRD is chemically inert, but can
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200567;The properties of quarry dust that were determined are aggregate crushing value, flakiness index, pH value, soundness, specific gravity, absorption and fineness modulus.
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113;Graded with precision and consistency thus it has higher Fineness Modulus compared to natural sand and crusher dust; Free of impurities such as clay, dust and silt and
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Dust content, mass percentage that passes a sieve that has a square aperture of nominal size 75 μm 0 - 52) 0-102) B Methylene blue adsorption value3), max. 0.7 B Clay content4), material of
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Fine aggregate are basically sands won from the land or the marine environment. Fine aggregates generally consist of natural sand or crushed stone with most particles passing
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Crusher Dust – ASMS – Home. Crusher dust is a grey coloured fine aggregate Maximum Dry Density 2.00-2.15 t/m3 Optimum Moisture Content 10-13% Bulk Density (Loose) 1.35-1.45
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Fineness Modulus of 10 mm Aggregate 6.5 Fineness Modulus of 20 mm Aggregate 7.7 Water Absorption 1% Specific Gravity 2.6 Stone dust Stone dust was collected from local stone
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2016310;Fineness modulus for river sand cr usher The test results shows that the replacement fine aggregate by crusher dust up to 50% by weight has a negligible effect on the
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production from Invercargill to Nelson. Most of these sands have some level of crusher dust added at the quarry being preblended materials. As these sands were used without further
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It even causes burden to dump the crusher dust at one place which causes environmental pollution. Fig 2: Quarry dust Table 3: properties of quarry dust 3 Water Water used in concrete
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2010101;fineness modulus of ROBO sand are 2.66 and 2.88 re spectively. Sieve analysis results are shown in Fig. (crusher dust) and cement with Ground Granulated Blast furnace Slag (GGBFS), it is a
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quarries while the stone crushes, stone crusher dust that is abundantly available from crusher units at a low-priced in many areas, maintain practical option for concrete river sand. Table-3.3
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200567;The properties of quarry dust that were determined are aggregate crushing value, flakiness index, pH value, soundness, specific gravity, absorption and fineness modulus.
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The quarry rock dust was obtained from local crusher at Kariapatti, Virudunagar District. The specific with a modulus of fineness = 2.20; Specific gravity 2.677,
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199671;Experimental Program Materials. In all mixes line crushed rock coarse and fine aggregates were used. Dust passing 75 um BS sieve was produced in a laboratory
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Specific gravity of quarry dust 2.56 Fineness modulus of fine aggregates 2.67 Fineness modulus of coarse aggregates 7.19 Fineness modulus of quarry dust 4.09 V. METHODOLOGY The
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Fineness modulus obtained for the fine aggregates indicate that river sand has relatively finer grains whereas quarry dust has coarser grains. Table 1. Physical properties of aggregates
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natural sand by crusher dust increased the compressive strength of concrete by 5-22% and it was also found that amongst all the mixes, the highest compressive strength was obtained for 40%
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• Very fine material such as silt, clay, or dust of fracture can increase the water demand in concrete • Fines limit is 3% in ASTM C 33 for concrete subject to abrasion • Manufactured
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104;The larger the sieve size, the greater the fineness modulus of the MS. The content of particles above 2.36 mm in the grading also increases. Practice has proved that
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NOTE* Weight lower than 150 micron is not considered in calculation :- Fineness modules (F.M.) = 2.45. Q.3) A sieve analysis was carried out for 5 kg aggregate in the laboratory with
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