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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Due to population growth and industrial development, waste generation has increased annually over the last few years. According to a World Bank report, in 2018, about 2.01 billion tons of municipal solid waste were generated, and this amount was predicted to grow to 3.40 billion tons by 2050 (Kaza et al 2018). Waste glass (WG) is …
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A feasibility study should be completed on the use of plastics as replacement for sand in concrete production. Such a study should include a comparison of the costs of sand and crushing plastic, with the provision of large areas of land as a result of plastic waste disposal. ... The possibility of making a composite material from waste plastic ...
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Waste foundry sand, a by-product of ferrous and non ferrous metal casting industries is one such promising material which can be used as an alternative to natural sand in concrete. In last few decades, several studies have been conducted to investigate the effect of addition of waste foundry sand as partial and complete replacement of …
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Bricks and concrete blocks are essential walling units for the construction of homes. The world production of bricks is estimated at over 1391 billion units per year (Korpayev et al. 2022), with various types and production techniques emerging over time depending on available materials and technology.The conventional bricks are made by …
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The presence of silica in waste sand obtained from foundry draws attention towards its use in civil engineering applications such as partial replacement or full replacement of fine aggregate in...
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Concrete is the most produced man-made material [], and its demand is expected to grow further [] with the ongoing industrial and social developments.Because of the high volume produced, concrete has a significant environmental impact despite its very low specific CO 2 emissions and embodied energy [].In addition, the production of …
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The percentage of plastic waste recycled in 2015 was 16%. Estimations show that in 2021, the recycling rate will increase up to 25%. But if this production estimation turns out to be valid, a significant amount of plastic waste will still be left un recycled (Foti, 2019).Then, there is a necessity of increasing the recycling of plastic …
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According to the study, foundry waste sand does not have an obvious effect on water absorption except for concrete with 20% ferrous waste sand that absorbs 1.13% compared to the control mix that absorbs 1.91%. According to a study, concrete with partially replaced WFS has about the same water absorption as control concrete . …
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The quantities of materials for 1 m3 of concrete production can be calculated as follows: The weight of cement required = 7.29 x 50 = 364.5 kg. Weight of fine aggregate (sand) = 1.5 x 364.5 = 546.75 kg. Weight …
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The proposed method is a closed-loop production cycle consisting of two consecutive parts: production of the concrete structure and the recycling of the formwork material (Fig. 2a). The first part consists of fabricating the formwork geometry in a powder bed, cleaning it from unbound sand and pouring the concrete.
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It is now essential to explore various alternative solutions to the basic components of cementitious materials i.e. sand, aggregates present in concrete. Such potential material that could be utilized in place of naturally occurring sand for concrete is a foundry sand or waste foundry sand, (a residue of both non-ferrous as well as ferrous ...
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As one of the most versatile, durable, and economically practical construction materials, Portland cement concrete receives increasing attention for its relatively low embodied energy compared to other materials. The production of 1.0 kg of cement emits only 0.6–0.8 kg of CO 2, which is negligible compared to other materials …
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Creating renewable biocement entirely out of waste material Cement is a binder, a substance used in construction that hardens, sets, and adheres to other materials to bind them together. When sand and gravel are combined with cement, concrete is produced. Cement is classified as hydraulic or non-hy
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Waste foundry sand (WFS) Foundry sand is the raw material required for making metal-casting sand molds, which are frequently recycled during the casting process. ... sustainable materials in the construction industry has become critical and WFS is one of such alternatives for use in concrete production. WFS as a waste in non-ferrous and …
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Several researchers have investigated the suitability of WFS in concrete production instead of natural river sand in the last few decades to discover a way out of the trouble of WFS in the...
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industrial waste material, makes it possible to produce ultra-high performance concrete. Waste Foundry Sand Usage for Building Material Production: A First Geopolymer Record in Material Reuse: Advances in Civil Engineering – Hindawi: Evangelos J. Sapountzakis The SiO 2 /Al 2 O 3 ratio in the WFS by weight was not in the range of 2–3.5.
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Mix design and casting. Concrete was created with a mix design of 1:1.5:3 (1 part Limestone Portland Cement CEM-II/A-L 32; 1.5 parts sand and 3 parts coarse aggregate) according to BS 5328 [] using a rotating mixer.Control mixes containing only regular concrete sand were first made; subsequently, waste FS replaced regular sand …
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Autoclaved aerated concrete (AAC) is the lightest masonry material available in today's building industry. It shows properties, such as high strength per unit weight, lesser density, lower shrinkage, higher thermal insulation, and fire resistance as compared to traditional concrete. Not only engineering properties of AAC make it …
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Concrete is a mix of several different materials: water, fine aggregates (or sand), coarse aggregates (or gravel), chemical additives, and, most importantly, cement. ... of cement production and change the ingredients used in concrete. One material. Many opportunities ... and granulated blast furnace slag from iron and steel production. …
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The incorporation of waste foundry sand results in material cost savings of 7.5–10%. Abstract. Waste foundry sand (WFS) is a by-product of the metal casting process, which constitutes a sustainable solution as a replacement for natural sand (NS) in the production of concrete. This article provides an overview of two types of WFS, …
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Category: Concrete Technology. Concrete is a construction material composed of cement, fine aggregates (sand) and coarse aggregates mixed with water which hardens with time. Portland cement is the commonly used type of cement for production of concrete. Concrete technology deals with study of properties of concrete and its practical …
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This paper is based on the study on utilization of industrial waste sand in concrete. Waste sand requires large area for the disposal by open dumping. In this paper, we are going to replace natural sand with industrial waste sand in different percentage like, 0%, 10%, 20%, 30%, 40%, 50% &60%.
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Using discarded sand from foundry as a substitution for sand in concrete produces concrete with good properties, boosting its application in buildings. The use of …
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Waste foundry sand (WFS) is one such promising material which needs to be studied extensively as substitute of fine aggregates in concrete. It is a by-product …
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A Review on the Utilization ofWaste Material for Autoclaved Aerated Concrete Production† ... normal concrete. AAC is a combination of silica sand, cement, gypsum, lime, water, and an expansion ...
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In terms of the use of industrial waste materials, as a substitute material by reducing the percentage amount of the weight of the cement with the composition ratio varies based on the comparative ...
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Waste foundry sand (WFS) is a by-product of the metal casting process, which constitutes a sustainable solution as a replacement for natural sand (NS) in the …
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Such potential material that could be utilized in place of naturally occurring sand for concrete is a foundry sand or waste foundry sand, (a residue of both non …
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As a material that creates the majority of the world's bridges, roads, dams, and construction, concrete releases an extreme amount CO2 each year. ... The Production Process of Concrete: Concrete is constructed using cement mixed with an aggregate-- a grainy blend of materials such as stone and sand. After mixing, the …
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In this Review, we shed light on the available solutions that can be implemented within the next decade and beyond to reduce greenhouse gas emissions from cement and concrete production.
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Foundry sand is a waste material which is granular or subgranular having lesser unit weight and the voids in case of foundry sand are usually more than that of conventional sand. ... Masuero AB (2023) Analysis of the technical feasibility of sustainable concrete production using waste foundry sand as a fine aggregate. ACS Omega …
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The leather used to replace the sand was provided by the Curtume Touro LTDA, located in the city of Presidente Prudente-SP. This material was processed in a micronized of the Schilling brand, generating particles of the order of 50 mesh (diameter < 0.297 mm), and the specific mass for leather waste "wet blue" is 0.25 g/cm 3.This …
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The manufactured sand (MS) is also one of the alternate materials being used in concrete production. There are significant studies available world-wide, which estimated associated environmental impacts of RCA; however, author could not find comparative study on environmental impact of RCA and manufactured sand (MS) …
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Concrete production itself, excluding cement-associated energy requirements, accounts for around 20% of overall energy use in the CCI, ... If the aggregate deposit is thin, mining generates a large amount of waste material and vice-versa [4]. Moreover, the site may be an ecosystem for endangered species, or sometimes rock features may be rare ...
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The high-performance concrete (HPC) mixtures utilized Portland cement, drinkable water, crushed granite as coarse aggregate, river sand as fine aggregate, silica fume, Superplasticizer, and waste ...
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1. Introduction. With the rapid development of urbanization, the requirement for infrastructure has increased exponentially. At present, cement-based materials (CBMs) are used as the main raw materials for infrastructure construction due to their low cost, wide source of raw materials and superior performance [1], [2].Around 11.5 billion tons …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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