For instance, when the water-to-cement ratio of 75% quarry dust ed concrete increased from 0.52 to 0.58, the enhancement in flow table spread and slump cone value reached 7.8%.Web
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Venkata et al. studied partial replacement of quarry dust as cement in concrete by 10%, 15%, 20%, 25%, 30%, 35%, and 40% by ... Proportioning of materials for hollow concrete blocks requires careful adjustment of water to cement ratio unless the mix could be easily crumbled when the water content in it is too little or it may cause difficulty ...Web
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A range of 0%, 10%, 15%, 20% and 25% sand replacement with quarry dust was used in the cement: sand mix ratios of 1:6 and 1:8 for molding the blocks of size 450mm x 225mm x 225mm.These blocks were ...Web
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Portland limestone cement, river sand and quarry rock dust both of 2 mm maximum size as fine aggregate, and 14 mm crushed rock coarse aggregate were used for the concrete The particle size distribution and the physical properties of the fine and coarse aggregates are shown in Fig. 1 and Table 1 respectively. The fine and coarse aggregates …Web
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Abstract This study compared the physical and mechanical properties of river sand concrete with quarry dust concrete. The constituent materials were batched by weight. The water-cement ratio and mix ratio selected for the experimental investigation were 0.55 and 1:2:4, respectively. The specimens were cured for 7, 14, 21 and 28 days. …Web
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The water cement ratio used for each grade of concrete were 0.65, 0.6, 0.55 and 0.5. The compressive strength, Split tensile strength and the fresh properties of quarry dust concrete were studied and compared with control …Web
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An optimum water cement ratio could be a feasible approach to get the best concrete (Anifowose et al., 2021). Hence, in this study, three different water cement ratios (0.45–0.55) have been used to understand the performances along with other materials.Web
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15 rowsThe flexural strength of concrete made with quarry dust as fine aggregate is higher (about ...Web
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This study compared the physical and mechanical properties of river sand concrete with quarry dust concrete. The constituent materials were batched by weight. The water-cement ratio and mix ratio selected for the experimental investigation were 0.55 and 1:2:4, respectively. The specimens were cured for 7, 14, 21 and 28 days. Slump, density and …Web
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It is found that 40% replacement of fine aggregate by quarry dust gives maximum result in strength than normal concrete and then decreases from 50%. The compressive strength …Web
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concrete ratio of sand : quarry dust weight of cement (kg) weight of sand (kg) weight of aggregate (kg) weight of quarry dust (kg) weight of super-plasticise r (ml) m20 100 : 0 3 kg 4.5 kg 9 kg 0 7 m20 85 : 15 3 kg 3.825 kg 9 kg 0.675 kg 7 m20 75 : …Web
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For mixes M20 and M25, quarry dust concrete with water cement ratio 0.65 showed same slump as that of control concrete with w/c 0.5 [28] In view of the above studies, following observations are ...Web
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Cost analysis indicates that the percentage of cost reduction on optimized cement quarry dust ratio concrete mixes stands between 27% to 31% than conventional concrete mixes. It can be concluded ...Web
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The consumption of cement content, workability, compressive strength and cost of concrete made with Quarry Rock Dust were studied by researchers Babu K.K. et al. [1], Nagaraj T.S. et al. [11] and ...Web
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Rowland-Lato E.O. This work is related to study the compressive strength of concrete using quarry dust as fine aggregate instead of sand and 10mm washed aggregate instead of conventional granite ...Web
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The Strength Characteristics of Concrete Blended with Recycled Concrete, Quarry Dust and Broken Glass. ... MIX RATIOS . 1:2:4, W/C 0.55 . ... Cement, quarry dust, 75% glass, 25% recycled concrete .Web
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This experimental study presents the effect of partial replacement of Ordinary Portland Cement (OPC) by crushed rock dust (CRD) as filler material on the flexural strength of concrete when ...Web
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This research was carried out to investigate the effect of partially replacing cement with quarry dust in cement-sand mortar. Tests including setting times, water absorption, compressive strength ...Web
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For M20 grade, 25% is the optimum percentage of stone dust mix with the concrete. 30% of stone dust requires relative high cement content. If 50% replacement of sand 450 kg per meter cube cement needed to achieve the target means strength for M25 grade. Also, the increase in water-cement ratio didn't yield a positive result.Web
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It has been observed that quarry dust requires more water to attain same slump when compared to control concrete. For mixes M20 and M25, quarry dust concrete with water cement ratio...Web
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Cost analysis indicates that the percentage of cost reduction on optimized cement quarry dust ratio concrete mixes stands between 27% to 31% than conventional concrete mixes. It can be concluded ...Web
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standard concrete mix ratio of 6% air, 10% cement, 16% . ... the cracks in the specimens were in shearing pattern at 10 and 12.5 wt. % of quarry dust in cement composites. Meanwhile, as the ...Web
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admixtures. Concrete cubes of 150mm x 150mm x 150mm were casted with different ratios of sand to quarry dust. Sand was replaced by quarry dust in the proportions of 25%, 50%, 75% & in concrete & cubes were casted using this concrete containing quarry dust. The compressive strength of these cubes were tested after 7 days, 21 days & 28 days ...Web
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The consumption of cement content, workability, compressive strength and cost of concrete made with Quarry Rock Dust were studied by researchers Babu K.K. et al. [1], Nagaraj T.S. et al. [11] and ...Web
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Concrete is a mixture of water, cement or binder and aggregates (fine and coarse ... S/N Mix ratios Quarry Dust Slump (cm) 1 0.45:1:1:2.5 0.0 2 0.5:1:1.5:3 0.1 3 0.55:1:2:4 0.0 ...Web
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For 28 days of curing, partial replacement of fine aggregate with 20-50% quarry dust content resulted to optimum compressive …Web
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The quarry dust was supplied by factory ID Interlocking Brick Sdn Bhd., Terengganu. The specific gravity of quarry dust was 2.69 and the fineness modulus was 2.8 with density of 1,630 kg/m 3. The quarry dust of size 6 mm after sieving was used. The quarry dust was then dried in the room temperature before used.Web
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Concrete using lateritic sand and quarry dust as fine aggregates exhibit three basic forms of slump depending on the water/cement ratio just like normal concrete (i.e., True, Shear and Collapse ...Web
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The findings showed that the partial replacement of cement with quarry dust is not detrimental to product durability and the recycled material qualifies as a strength class 42.5, type II/A binder. The materials bearing 20% granite quarry dust, in turn, were found to meet the requirements to qualify as low heat cements (CEM II/A LH).Web
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In this research work, physical, chemical, morphological, and mechanical behavior as partial replacement of fine aggregate in concrete. Stone dust was acquired from three different sources i.e. Nowshera, Dara, and Besai, while concrete was kept at a ratio of 1:2:4 and water to cement ratio at 0.5 as per ASTM standards for considerable …Web
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The concrete using 1:2:4 mix and 0.5 water cement ratio is designed in two groups. First group used only conventional aggregates whereas, in second group 50% recycled aggregates from demolished ...Web
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considerable amount of quarry dust is composed. In this analysis, the experiment work is performed by using cement, fine aggregate, coarse aggregate, quarry dust. The …Web
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From the temperature readings it is observed that there is no significant variation in temperature differences between top and bottom of the slabs, the observed temperature readings are 12.1⁰, 11.6⁰C and 11.1⁰C in conventional concrete slab, quarry dust concrete slab and M−sand concrete slab respectively.Web
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This study aims to assess the production of cellular micro-concrete, consisting of quarry dust, calcareous fly ash, cement, and aluminum powder as aerating agent. The proposed mixture design …Web
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