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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Using this recycled concrete will save money and help the environment. We can preserve our gravel resources and consume less raw materials. Additionally, using recycled concrete means needing less transportation. By using recycled concrete, you can reduce fuel consumption. By using a portable crusher, crushing can take place on-site.
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The result showed that both standard mixtures of concrete and the standard mixture of concrete with ½ kg polyethylene ground plastic have a comparison infraction that has a result of an SW-Shear ...
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This study investigates the effect of the replacement of recycled concrete as coarse aggregates using the Densified Mixture Design Algorithm Method (DMDA) in unconfined …
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1. Introduction. Concrete is the most widely produced material for construction and the second most consumed material in the world. It is estimated that each human being uses three tons of concrete per year (Gagg, 2014).Concrete is a composite material consisting primarily of cement and coarse and fine aggregates.
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Plastic Pollution. Follow. 'The Plastic Flamingo' is a group of recyclers in the Philippines who turn items of plastic waste into building materials. The company's 'eco-lumber' can be used for …
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Concrete is a building material consisting of a mixture of gravel, sand, cement, and water. It is one of the most widely used materials on earth. The concrete industry generates harmful effects on the environment. The cement industry is a testimony to the air pollution generated by greenhouse gases. The use of mussel shell waste as a …
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However, using a recycled aggregate of more than 65% can impact the mix's durability significantly, reducing its physical properties tenfold. The optimum amount blended in with the concrete should be 35%. Some experiments have shown that the recycled aggregate is durable, no doubt, but not as sturdy as natural coarse aggregate.
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Abstract: The purpose of this study was to investigate whether demolished concrete can be used as an alternative for natural coarse aggregates in concrete. Specifically, this study wished to measure the strength of relationship between recycled concrete volume in …
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The concrete mixtures containing waste aggregates are donated as follows: plastic – PAC 15 and PAC 30, rubber – RAC 15 and RAC 30, and glass – GAC 15 and GAC 30, for the 15% and 30% replacement levels, respectively. The Concrete and Cement Institute (C&CI) mix design approach was adopted for developing all mixtures [38].
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To enhance forestry solid waste reuse, reduce building energy consumption, and increase building capacity, producing lightweight concrete with new materials has garnered recent attention. This study used waste wood and expanded perlite (EP) to design lightweight thermal insulation recycled concrete (LTIRC) with varying volume …
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One of the world's top plastic polluters is giving its garbage a second life by using it to construct much-needed infrastructure. Philippine companies like San Miguel Corp. and Aboitiz Equity Ventures Inc. are using discarded shopping bags, sachet wrappers and plastic packaging to fire cement plants and build roads as the country embarks on …
DetailsAs shown in Fig. 9 the average concrete compressive strength increased by increasing the percentage of recycled concrete starting from which is the reference normal concrete, then the compressive strength after the age of seven days increased to reach 114.58%, 113.54%, 109.44% and 110.91% for 25%, 50%, 75% and …
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The construction waste recycling plant in the Philippines is a series of equipment that is designed to process and recycle various types of construction and demolition waste materials generated from construction, renovation, and demolition projects. The primary goal of the c&d waste plant is to divert as much waste as possible by recovering …
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Portland cement (CEM 1) is made from a mixture of limestone (CaCO 3) and clay, shale (Al 2 O 3 .2SiO 2) or other alumino-silicate. These are finely crushed and calcinated at a temperature of about 1,500 °C to form a partially fused mass, or clinker. CO 2 is liberated from the limestone.
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Global sales of recycled concrete aggregate are anticipated to grow at a robust CAGR of 8.0% over the following ten years (2023–2033). End-of-2033 market valuation is anticipated to be around US ...
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1. Recycle rubber tire crumbs be used as partial replacement of aggregated which can reduce the water absorption, permeability and sorpitivity of concrete which can make it wate rproof. 2. The ...
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Abstract —The paper investigates possible use of recycled. tire in concrete for partial fine aggregate replacement to. provide possible solution for tire waste management as well. as aggregate ...
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content, the carbon footprint of the mix with 0.5 w/c was. 25% higher than that of the mix with 0.7 w/c. e carbon. footprint of all the analyzed mixes decreased to a small. extent as the coarse ...
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A group of civil engineering students from the University of the Philippines recently won an international competition for developing an environment-friendly concrete that uses …
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This article presents a comprehensive review on the use of recycled concrete aggregate (RCA) and recycled aggregate concrete (RAC) in construction, with emphasis on …
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5. "Tubohotel" by T3arc – Tepoztlán, México | Recycled Concrete. Recycling debris is not the only way to reuse concrete: inspired bit the Dasparkhotel, T3arc studio found its muse to create an innovating …
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Previous research on structural elements shows that replacement of the natural aggregate with recycled tire aggregate in concrete, will produce structural elements with improved behavior ...
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The search for environmental preservation and conservation of natural resources gives rise to new concepts and viable technical solutions on the path to sustainable development. In this context, this study's main objective is to analyse the influence of recycled concrete aggregates (RCAs) on the development of pervious …
DetailsPrevious research indicates that the mechanical characteristics of RAC were around 10%-20% lower than those of equivalent natural aggregate concrete (NAC) (Kazmi et al. Citation 2019; Kisku et al. Citation 2017; Thomas, Thaickavil, and Wilson Citation 2018; Verian, Ashraf, and Cao Citation 2018).The lower properties of RAC can be …
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In the future, we will keep moving, and provide more and more high quality shredding technology for Philippines and surrounding area. Learn more about the Shredwell tire shredder and the full line of tire shredding plant at: and contract: Marketing Dept. Shredwell Recycling Technology CO.,Ltd …
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Ordinary Portland Cement (OPC) and natural aggregates, which are the key constituents of concrete, are suggested to be recycled or substituted in order to address the …
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1. Introduction. In recent decades, large amount of construction and demolition (C&D) wastes are generated owing to the accelerated urbanization (Shin & Kim, 2022).Concrete waste accounts for the largest proportion (60–70 %) of C&D wastes, and it is predicted to reach 7,750 million tons by 2050 (Huang et al., 2020).Usually, concrete …
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After demolition of old roads and buildings, the removed concrete is often considered worthless and disposed of as demolition waste. By collecting the used concrete and breaking it up, recycled concrete aggregate (RCA) is created (Fig. 1).This paper focuses on coarse RCA which is the coarse aggregate from the original concrete that is …
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Four concrete formulations were analyzed: recycled aggregate concrete, recycled aggregate mortars, self-compacting concrete containing rubble powder, and reuse of …
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Overview. Authors: Jianzhuang Xiao. The world's first book on recycled aggregate concrete (RAC) structures. Based on the author's ten years of fundamental studies on the material properties and structural behavior of RAC. Includes first-hand experimental and simulation results on RAC. Includes some typical demonstration structures with RAC.
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Article. How recycling concrete could accelerate sustainable construction. In the built environment to date, it has been cheaper and easier to knock things down and start again, despite the cost in CO 2 emissions. We explore the potential to reuse concrete, and the benefits from saving CO 2, to greater stability. Andy Gardner.
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The use of recycled concrete (RCA) as coarse aggregates in concrete is a sustainable, cost-effective alternative to disposing the old concrete pavements. Previous studies indicated that replacing up to 30% of the original () coarse aggregate in the mixture with RCA will have no negative effects on the freeze-thaw (F/T) resistance and ...
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Use of wastes in concrete blocks is a promising recycling approach. •. Incorporated wastes can impart unique features to the concrete blocks. •. Unique features of 12 different wastes used as aggregate is presented. •. Optimum ratio for each waste used in concrete blocks is recommended. •. Suitability of wastes for use in building and ...
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Recycling concrete reduces the carbon footprint of concrete production by up to 70%, making it an ideal choice for environmentally conscious construction projects or any. project at all. Specifically, recycling one ton of cement could save 1,360 gallons of water. and 900 kg of carbon dioxide (CO2).
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Recycled concrete can be used in various construction applications. It can be a base or subbase material in road construction projects. It provides a stable foundation, enhances load-bearing capacity, and contributes to the longevity of the road infrastructure. It can also be used as an aggregate in the production of new concrete.
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This study aims to compare the potential environmental impact of the manufacture and production of recycled and by-product aggregates based on a life cycle assessment and to evaluate the environmental impact and cost when they are used as aggregates in concrete. To this end, the six potential environmental impacts (i.e., abiotic …
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Recycled concrete aggregates (RCA) are used in existing green building composites to promote the environmental preservation of natural coarse aggregates (NCA). Besides, the use of RCA leads to potential solutions to the social and economic problems caused by concrete waste. It is found that insufficient information on the longevity and …
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This is a pioneer study on Recycled Coarse Concrete Aggregate in the Philippines. Disposal of construction and demolition (C&Ds) wastes is yet to be specially addressed …
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