Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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Stone dust is a waste material obtained from crusher plants. It has potential to be used as partial replacement of natural river sand in concrete. Use of stone dust in concrete not only improve ...
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Effect of using stone dust and M-sand on properties of high strength concrete. Stone dust is a byproduct obtained from the crushing process of quarrying operations …
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In this study, effects of crushed stone waste from Katunun's quarry as fine aggregate on mortar and concrete properties will be examined. Samples with varying …
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The escalating demand for natural resources within the construction industry is progressing upward. At the same time, however, there is a great concern regarding the depletion of these resources. This review paper emphasizes the significance of utilizing alternative aggregate materials in concrete. Particularly, it aims to explore replacing …
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Marble powder obtained as a by-product of marble sawing and shaping [Citation 1].Waste marble powder "WMP" is an inert material which is obtained as an industrial by product during sawing, shaping, and polishing of marble and causes a serious environmental problem [Citation 2].M.S. Hameed et al. [Citation 3] studied that the green …
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Conclusions. From the concrete studies, replacement of 20% of sand with crushed limestone dust improved the compressive strength of the concrete specimen, which is considered a significant enhancement in the strength. Overall it was found that crushed limestone enhances most of the properties and with 20% optimum …
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Six representative parent rocks of sand, including limestone, quartzite, gneisses, granite, Basalt and Marble were selected to conduct a systematical research on the effects of various lithologies of manufactured sand on the workability, mechanism properties, volume stability and durability of manufactured-sand concrete. The …
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M25 grade of concrete was considered for this investigation with a final mix proportion of 1:1.65:3 at w/c ratio of 0.50. The replacement levels of natural fine aggregate with stone dust were 30 ...
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Excessive stone dust may have a detrimental effect on concrete strength due to the absence of suf cient cement paste needed for binding very ne CSD aggregates [ 14 ]. On the other hand, compressive
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The research findings reveal that by incorporating 10% manufactured sands dust, the concrete exhibited improved mechanical properties, as evidenced by a 13.5% …
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The present paper study the effect of partial substitution of brick dust (BD), stone dust (SD), and recycled fine aggregate (RFA) as fine aggregate on the properties of natural aggregate concrete (NAC) and recycled aggregate concrete (RAC). In the present investigation, two groups of mixes were considered: Group A consists of natural ...
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Effects of crushed stone dust on some properties of ... The review also indicates that up to 40–50% substitution of QD as a fine aggregate can be utilized in concrete with no harmful effects on ...
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The effect of different proportions of crushed stone dust and recycled concrete on the compressive strength of M30 concrete was studied. The effect of different ratios of crushed stone dust and ground recycle concrete on the flexural and tear strength of M30 concrete is also observed. KEYWORDS-Secondary Crushed Stone, tone Dust,
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using it in th e concrete a nd maintained the sustainability. As. stone dust has acceptable properties of a fine aggregate sand. with regard to shape and texture, it can be thought of as an ...
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The cement concrete stone dust CCSD 7.5 with partial replacement of 7.5% stone dust shows an increase in compressive and flexural strengths of 14.42% and 15.85% at 28 and 56 days as compared to the nominal mix, respectively. The increase in strength is due to the dense microstructure of the specimen in the presence of fine …
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concrete is replaced by stone dust, a by oisture content are also performed. Stone dust is one dust on mechanical property like, Natural sand, Mechanical properties, Stone dust. 2. Materials Cement and aggregate: The cement used is Portland Pozzolana cement of 53 grade confining to IS Specific gravity of cement is 2.62, Fineness modulus of cement
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Crushed stone dust acts as a filler in the concrete and contributes to reduce the absorption of concrete. However, increasing the dust content more than 15% causes an increase in absorption which is a parallel leading with compressive strength.
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In this study, effects of crushed stone waste from Katunun's quarry as fine aggregate on mortar and concrete properties will be examined. Samples with varying crushed stone waste replacement ratio, ranging between 0% until , will be analysed at 3, 7 and 28 days curing time. Mortar sample is using 0.5 w/c ratio, while concrete …
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It addresses critical research questions regarding the physical and chemical properties of stone dust aggregates compared to natural sand; the impact of stone …
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of sand with crusher dust as fine aggregates gives increased compressive, spl it tensile. to 33.39%, 41.58% and 56.45% respectively in comparison. to that of control mix. Thus, crusher dust can be ...
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The influence of replacing M-sand with stone dust on mechanical attributes of high strength concrete are presented in this paper. Stone dust was incorporated in percentages varying from 0 to 40% ...
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This paper shows some relevant studies regarding the effect of stone dust on mechanical properties like compressive strength, tensile strength, flexural strength, acid attack …
DetailsCrusher dust is a fine material formed during the process of comminution of rock into crushed stone or crushed sand. This dust is composed by particles which pass 75 μm BS sieve. Effects of dust content in aggregate on properties of fresh and hardened concrete are not known very well.
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The present paper study the effect of partial substitution of brick dust (BD), stone dust (SD), and recycled fine aggregate (RFA) as fine aggregate on the properties …
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Natural aggregates with three different gradings have been used to produce concretes with a constant water cement ratio of 0.5 and cement contents varying between 300 kg/m3 and 425 kg/m3. Aggregate gradings differed only in the dust (particles smaller than 300 μm) contents: Nil, 3%, 9%. Dust deficient aggregates always produced less …
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This paper investigates the feasibility of using coal gangue as coarse and fine aggregates in concrete as well as how the coal gangue aggregate grading affects concrete properties. Nine mixed concrete samples were prepared with the value n in Fuller's curve ranged from 0.44 to 0.68. The coal gangue aggregate with n = 0.62 shows the highest …
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The purpose of this study is to evaluate the performance of stone powder (substitute) in concrete when mixed with concrete to ensure workability, durability, and strength of concrete using OPC (class 43). Efforts to improve concrete performance in recent years suggest that natural substitutes for sand, combined with grout, can improve the strength …
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The specific objectives are focused in this research as follows: 1) to explore the synergy effect on improving the workability and mechanical properties of the concrete using crushed sand combined with river sand, 2) to investigate the effect of adding fine crushed sand < 0.14 mm in concrete mixture on its workability and resistance under ...
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