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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The EU-funded SMARTSAND project developed Lypors™, an advanced engineered, artificial sand material manufactured from fly ash for use in the construction …
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The modulus of elasticity of concrete increases upto 60% replacement of sand with flyash and it decreases beyond 60%. It is economical, and eco-friendly. The replacement of sand with fly ash upto 50% is beneficial for the concrete works. This study could enlighten the local people to use fly ash to replace sand for concrete works.
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In this study, artificial aggregates based on alkali-activated technology were designed and manufactured, where fly ash (FA) and a blended sodium silicate/hydroxide …
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Prediction of the compressive strength of Flyash and GGBS incorporated geopolymer concrete using articial neural network Ujjwal Sharma 1 · Nakul Gupta 1 · Manvendra Verma 1
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The utilization of artificial fly ash aggregates (Produced from the process of cold bonded pelletization) in pervious concrete as a substitution to natural aggregates is feasible. ... Permeability predictions for sand-clogged Portland cement pervious concrete pavement systems. J. Environ. Manage., 81 (2006), pp. 42-49, …
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Concrete carbonation is one of the main causes of corrosion of the reinforcement and consequently causing damage to the reinforced concrete structures. The progress of the carbonation front depends on many factors including mixture proportions and exposure conditions. Several carbonation prediction models including mathematical …
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Fly ash and geopolymer was utilized to prepare artificial sand known as geopolymer fly ash sand (GFS). Different properties of geopolymer fly sand (GFS) were …
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1. Introduction. Fly ash is an industrial waste generated in power-plant boilers, carried out by gas stream and recovered in filters. Estimated global annual production of coal combustion byproducts, of which 80% represents fly ash and the remaining 20% is bottom ash, amounts to 500 million tons [1].The management of this …
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The mix proportions, which include the amount of cement, sand, gravel, water, admixture, and fly ash, can be found in Supplementary Table S2. Table 2 Number of concrete mixtures analyzed and their ...
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Section snippets Materials. The geopolymer fly ash sand (GFS) used in this study, was prepared by mixing fly ash in the sodium hydroxide (NaOH) and sodium silicate (Na 2 SiO 3), geopolymer solution.The fly ash used in the study was procurred from Sipat Thermal Power Plant, India and its physical and chemical properties such as specific …
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16. On Amount Of Water:-Requires little more amount of water as the fineness of flyash is more for fine sands. For coarse sand the addition of flyash produces beneficial results. Strength:- lower rate in …
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This study demonstrates the synthesis and development of artificial sand with fly ash alone as a precursor material. The novelty of the study lies in custom …
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An ever-growing population and a continuing trend towards urbanisation mean that around 40 billion tonnes of sand are mined each year to meet the world's increasing demand for construction materials. Because sand from the desert is unsuitable as a building material, it must be mined or dredged from rivers, deltas, and coastal and …
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2.1. Crystalline phases. FA crystalline phases account for 5 to 50% of its mass. The crystalline phases consist of ten phases. Anhydrite (CuSO 4), Merwinite, Periclase, and C3A are found in class C fly ash.In addition to mullite, melite, quartz, hematite (Fe 2 O 3), magnetite (Fe 3 O 4), and lime.Anhydrite results from O 2, SO 2, …
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This study aims to propose an efficient technique for improving the compressive strength of geopolymer concrete using Flyash and GGBS. Various regression models, including linear regression, lasso regression, and ridge regression, were compared to predict the compressive strength. The research holds significance in understanding …
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Scarcity and increased regulations on the mining of natural sand resources, besides constraints on the usage of recycled sand, necessitate a substitute for river sand. Synthesis of sand (artificial) from industrial wastes/by-products seems to be a doable, prospective, and sustainable solution to replenish ever depleting such a precious …
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AbstractSand is a naturally available resource that has numerous applications in civil engineering. Due to a rapid increase in construction activities and exploitation of natural resources, there has been a scarcity of natural river sand (NRS), causing ...Practical ApplicationsIn the present study, an attempt has been made to …
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In the construction sector, the material supply chain of aggregates is frequently disturbed due to seasonal unavailability, quarrying issues, and environmental norms. The production of artificial aggregates has gained prominence to conserve natural resources and promote green construction practices. The current study encompasses …
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This study utilizes supervised artificial-based machine learning algorithms (MLAs) to anticipate the mechanical characteristic of fly ash/slag-based geopolymer concrete (FASBGPC) by utilizing ...
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Depending on the type of coal and the resultant chemical analysis, ASTM has classified flyash into, A. Type C Type C fly ash is produced from the combustion of lignite or sub bituminous coals, contains CaO higher than …
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Artificial sand is a process controlled crushed fine aggregate produced from quarried stone by crushing or grinding and classification to obtain a controlled gradation product that completely passes the 4.75mm sieve. ... like FlyAsh and Ground Granulated Blast Furnace Slag (GGBS) that can be used in the production of long-lasting concrete ...
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Artificial stone, cement, concrete tiles: 5-28%: Wiring and electrical fittings: 18-28%: Paint and varnish: 18%: ... Natural sand of all kinds, whether coloured or non-coloured ..., GST rate is five percent for flyash bricks as per present rates. Reply. Rajan Adalinge June 8, ...
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In general, flyash particles are spherical and have a size distribution with medium around 4 μm while the bottom ash has a medium around 70 4 μm and settle close to plant site (Sadasivan et al.,1993). Fly ash generated from various thermal power plants in India comprise ranges of silt 8-85, clay 0-10, sand 7-90 and gravel 0-10% .
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Specimens are cast by adding fly ash at varying percentages like 10%, 15%, 30% and 40% by weight of cement and artificial sand. The compressive strength is evaluated.
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Integrating artificial intelligence and green concrete in the construction industry is a challenge that can help to move towards sustainable construction. Therefore, this research aims to predict ...
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Founded in the year 1995 at Pune, Maharashtra, India. We, "SATAV STONE CO. PVT. LTD." have an experience of more than 25 Years and are recognized as one of the best manufacturers and suppliers of Ready Mix Concrete, Crushed Stone, Flyash Bricks and Artificial Dry Plaster Sand.
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2.1 Specific gravity. The specific gravity of Indian origin fly ash is mostly found to be in the range of 1.9–2.2 (Pandian et al. 1998).Also, the specific gravity of coal ash was varied from 1.6 to 3.1 (McLaren and Digioia 1987; Behr-Andres and Hutzler 1994).The specific gravity of fly ash produced from sub-bituminous and bituminous (high iron) coal are 1.90 and …
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2.1 Materials. Artificial sand or silica sand was mixed with water glass having a SiO 2 /Na 2 O molar ratio of 2.1 and porous silica to prepare raw materials for sand casting. The chemical compositions of the foundry sands used, reproduced from the product catalog or published data, are shown in Table 1.Each artificial sand is graded by particle size, and …
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The Artificial Sand Making Process: Raw Material Selection:The artificial sand making process begins with the careful selection of raw materials. Typically, crushed rocks such as granite, basalt, or limestone are chosen for their hardness and durability. These rocks are then fed into crushing machines to produce coarse aggregates.
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Recycling of foundry by-products in the ceramic industry: Green and core sand in clay bricks ", Construction and Building Material ... Strength appraisal of artificial sand as fine aggregate in SFRC ", ARPN Journal of Engineering and Applied Sciences ...
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Geopolymerization is a process that produces sustainable geopolymer synthetic sand that can be done by fly ash mixing with 10M and 12M of NaOH and Na2Sio3. The properties …
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M40 concrete mixes with cc and artificial sand International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 05 | May 2019 p-ISSN: 2395-0072
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Durability of Concrete using High Volume Flyash, GGBS and M-Sand P. Priya Rachel ... Sand which is also known as factory sand or artificial sand is a type of sand used as a replacement for ...
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In the current study, Light Weight Geopolymer Fly Ash Sand (LWGFAS) was evaluated as a potential alternative to natural fine aggregate. In the present investigation, characterization of LWGFAS was done for assessing its suitability to be used in concrete and mortar.
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