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Here M20 mix of concrete of ratio 1:1.5:3 (Cement: Fine aggregate +Quarry dust: Coarse Aggregate +Recycled aggregate) and water cement ratio of 0.40 is used for preparing test samples by replacing fine and coarse aggregate with quarry dust and recycled aggregate in percentages varying from 0%, 10%, 20%, 30%,
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mix ratio for m25 concrete = 1:1:2. We have to do following calculating steps:- Step 1 :-we have wet volume of concrete is equal to 1 cubic metre (1m3), but when we calculate actual quantity of dry ingredient cement, sand and aggregate of concrete we have to calculate dry volume of concrete. For converting wet volume to dry volume of concrete we will multiply 1.54 in wet volume of concrete ...
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Experimental Study on Partial Replacement of Cement with Quarry Dust. International Journal of Civil Engineering and Technology (IJCIET), 2(3): 136-137. [26] Jaharatul D K L A, Nazri A, Roslli N M1 & Mohammed M.A (2018): the effect of quarry dust with cement by-products on properties of concrete Malaysian Journal of Civil Engineering 30(3):415 ...
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The water to cement ( /) ratio for all the mixes was fixed at 0.44 and water to powder ( /) ratio was calculated as Here represents weight of water required for powder consisting of cement and fly ash. The mortar mix proportion is given in Table 7. Table 7 Mix proportioning for 1 : 3 mortar mixes. 2.3. Test Method
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determined after replacing sand with quarry dust in various ratios. The results of the study showed encouraging results for replacement of 50% of sand with quarry dust. ... The materials used for casting of cube specimens were OPC cement of 53 grade, sand and quarry dust passing through IS 4.75 mm sieve having the following properties: Table I ...
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Apr 26, 2017· was manufactured by incorporating different percentages of quarry dust waste which are 0%, 10%, 20% and 30%. All bricks sample was tested with physical and mechanical properties which were density, shrinkage, initial rate of suction (IRS) and compressive strength of the fired bricks. Read More
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The paper aims to analyze the compressive strengths of concrete cubes made from quarry dust, sand, and a mixture of sand and quarry dust. The research study adopted is purely laboratory based. A total of 60 grade C20 concrete cubes of size 150 mm × 150 mm × 150 mm were cast and cured with a constant water/cement ratio of 0.5.
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The aim of the experiment is to find the maximum content of quarry dust partial replacement of cement in concrete. The percentages of quarry dust partial replacement of cement in concrete are 0, 10%, 15%, 20%, 25%, 30%, 35%, and 40%. M20, M30 and M40 grade concrete cubes of 150x150x150mm size were cast for conducting compressive strength test.
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The two fine aggregates; sharp sand and quarry dust were obtained from bed of Unwana river and Amasiri quarry site respectively. Mix design used was 1:2:4 and 0.6 water cement ratio. The results obtained showed that the compressive strength for sand both for 7 and 28 days were 19.78N/mm 2 and 30.25N/mm 2 and were higher than that of stonedust ...
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Water -cement ratio 0.43 Before introducing bentonite into the concrete proper percentage of quarry dust replacement instead of fine aggregate is to be calculated for the same mix proportion. After obtaining maximum percentage of Quarry dust then kept constant and the Bentonite can be replaced instead of
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Concrete created with quarry dust material. e strength qualities like the compressive strength and exural strength were subjected to experimentation to ascertain the optimum substitution of the quarry dust. e feat of the concrete ratio and quarry dust substitution level on the compressive strength of the quarry dust concrete also became the subject
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Furthermore, use of fly ash with 30% of cement replaced by fly ash is explored as means of increasing the performance of the quarry dust mixes. Quarry dust concrete at the tested water cement ratio is found to have higher compressive strength compared to sand mixes. However, use of quarry has increased the required amount of water in the mix to ...
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dust concrete with constant water cement ratio at 0.44 are found to be 80, 75, 70, 65, 60, 60 mm for different mixes such as Mix 1(0% quarry dust), Mix 2(10% quarry dust), Mix 3(20% quarry dust), Mix4(30% quarry dust), Mix 5(40% quarry dust), Mix 6(50% quarry dust) respectively. It was observed that slump value increases with increase in
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The ratios of quarry dust that uses instead of sand are 0%, 10%, 20% and 30% respectively. Mold of size 5×5×5 cm is used. Cure the mortars in the water. Test the ... in concrete, the fly ash is well used for replacing some portion of cement. The quarry dust is also the by product from crushing plant. This is the waste material which has low
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They made high volume fly ash self compacting concrete with 12.5 percent, 18.75 percent, 25 percent and 37.5 percent of the cement (by mass) replaced by fly ash and 6.25 percent, 12.5 percent and 25 percent of the cement replaced by the dolomite powder.
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Among the various percentages (1%, 2%, 3% and 4%) of Triethanolamine and Diethanolamine added, the quarry dust replaced concrete with 2% addition of inhibitor shows maximum improvement in the compressive strength, split tensile strength, flexural strength, and bond strength when compared to the control specimen. 3.
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concrete made of quarry stone dust as fine aggregate. 2. To study the effect of addition of quarry stone dust as replacement of sand 3. To study the effect of superplssticizer on water-cement ratio. 4. To study the behaviour of concretes M40 and M50 grades when exposed to temperature. II. MATERIALS AND METHODS Cement
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M40 concrete mixes had the lowest water-cement ratios & higher cement quarry dust ratios & M40 mixes showed the lowest workability compared to other M20 & M30 QD mixes. M40 - 0.43 showed 5 mm slump & it was an 80% sharp decrease than M40 - 0.41 mix. M40 NS control concrete mix has shown a 40 mm slump value & it was a 37.5%
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The presence of quarry dust in concrete can give high compressive result which is greater than normal concrete for 28 day. The optimum percentage of quarry dust in mix design is 50% except for w/c 0.57%. Certain proportion of quarry dust can be used as fine aggregate in concrete. REFERENCES
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blend of 70% quarry dust and 30% laterite was 2.56N/mm2 at water cement ratio of 0.58 while a static modulus of elasticity of 8.86 was obtained from a combination of 75% quarry dust and 25% laterite. Keywords: Compressive strength, Static modulus of elasticity, quarry dust-laterite block, density, quarry dust, laterite I. INTRODUCTION
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The water-cement ratio is one of the most important factors affecting strength of concrete. Depending on the water-cement ratio, the compressive strength is defined in the mix designs. ... Usually, we have a fine and coarse aggregate. Sand and the quarry dust is used as fine aggregate. All of these aggregates, their properties shall be checked ...
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It has been observed that the mechanical and durability characteristics of a concrete mixture incorporating a fly ash-15%, aluminum dross-10%, and quarry dust-20% are better than that of standard concrete. Production of concrete using industrial waste can minimize infrastructure construction costs and reduce environmental impacts.
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(d) In the fourth series, M20, M30, and M40 grades of concrete with 20, 30, and 40 percent replacement of quarry dust with water-cement ratio of 0.45 are studied and the results are presented.
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The compositions of quarry dust were varied from 10 to 20 wt. % and were mixed into five different ratios. It was found that 0.45 water cement ratio was suitable to mix all proportions and values of slump were observed have been increased with the increasing percentage of quarry dust in cement composites.
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At optimum blend (6% cement/8% quarry dust), values of 78.04 %, 88.42 % and 98.54 % were observed for BSL, WAS, and BSH. However, the peak soaked CBR values for the three compaction efforts met the 20 ∼ 30 % requirement for use as sub base materials on the basis of clause 6201 of the General Specification for Roads and Bridges. Contact
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At 28 days of curing, river sand concrete exceeded the target compressive strength by 36%, whereas quarry dust concrete was less than the target compressive strength by 12%.
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aggregate by quarry dust and water cement ratio (w/c) is taken as 0.45. Test results gives clear picture that the compressive strength of recycled concrete up to 30% coarse aggregate replacement by demolished waste with 20% fine aggregates replacement by quarry dust is the optimum quantity used for construction work..
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The measured slump values of quarry dust with constant water/cement ratio i.e. w/c ratio (0.55) are 37, 45, 50, 54, ... in percentage replacement of sand with quarry dust for the same w/c ratio. Concrete does not give adequate workability with increase of quarry dust. It can be due to the extra fineness of quarry dust (Jain et.al., 1999).
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Each series is composed of different w/b ratio of 0.3, 0.4, 0.5 and 0.6, with cement content of 684 kg/m3, 513 kg/m3, 410 kg/m3 and 342 kg/m3 respectively. The mixes of 100% OPC without adding Sp were used as control reference. The amount of Sp and the percentage of Sp were kept constant to ensure its consistency when OPC was replaced with QDFP.
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Natural sand replaced with quarry dust at an interval of 5% up to 25%. 5.2 Mix Proportions Water cement ratio is an important factor in the process of mix proportioning. Primary requirement of good concrete is satisfactory compressive strength in its hardened state. Many of the desirable properties like durability, impermeability and
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The quarry dust content is varied between 25% and 85%. The cement content is varied between 15% and 25%. The economy on the use of cement as the binding material can be justified when cost analysis is being conducted accounting for the expenses for disposal, opportunity cost of dumping land, feedstock energy, manufacturing technology etc.
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Stone crusher dust as a fine aggregate in Concrete for paving ... A concrete mix of 1:2:4 (cement: sand: stone chips) ... Variation of split tensile stress in concrete courting crusher dust between FC50 and FC75 is less.
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This experimental study presents the variation in the strength of concrete when replacing sand by quarry dust from 0% to 100% in steps of 10%. M20 and M25 grades of concrete were taken for study keeping a constant slump of 60mm. The compressive strength of concrete cubes at the age of 7 and 28 days were obtained at room temperature. Also the temperature effect on concrete cubes at 100 o C on ...
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The test results were plotted for 10% ratio of granite slurry and saw dust having great compressive strength, tensile ... Concrete made with granite slurry and saw dust, quarry dust cement sets more slowly than concrete made with ordinary Portland cement, depending on the amount of granite slurry and saw dust in the cementation ...
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The ratio of billet scale and quarry dust was done based on trial mixtures. Fly ash and billet scale were first placed in a mixer and dry mixed for 2 minutes. ... In series C 10% of cement, 40% of fly ash and 50% of quarry dust and billet scale were mixed. However, in series D cement was reduced to 5%, fly ash was increased to 70%
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quarry dust ratio concrete mixes stands between 27% to 31% than conventional concrete mixes. It can be concluded that M20 - 0.41 and M20 - 0.42 QD concrete mixes can be used for industrial purposes as a replacement for conventional concrete mixes & using superplasticizer, M30 grade quarry dust concrete mixes and M40 - 0.41
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to study the effect of partial replacement of fine aggregates by quarry dust and cement by fly ash on cement concrete. 1.2 NEED FOR INVESTIGATION Quarry Dust These residues are generally less than 1% aggregate production in the normal concrete. The introduction of quarry dust for mixing is limited due to its high fineness.
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with varying cement contents ranging from 4% to 6% by weight. The mix design requirement was to establish the cement content necessary to have a minimum unconfined compressive strength of 250 psi (1724 kpa) at 7 days. This paper presents the soil-cement mix design, field-laboratory procedure and results.
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The tests will be carried out on both the natural sample and the improved sample and will include: moisture content, specific gravity, grain size distribution, Atterberg's limits, compaction and California Bearing Ration (CBR) tests both before adding quarry dust and after adding a varying percentage and proportion of quarrying dust.
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