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Journal articles on the topic 'Aggregate industry'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2024

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1

Ferreira, Saulo Rocha, Rodolfo Giacomim Mendes de Andrade, Gabriele Melo de Andrade, et al. "Bond Behavior of a Bio-Aggregate Embedded in Cement-Based Matrix." Materials 15, no. 17 (2022): 6151. http://dx.doi.org/10.3390/ma15176151.

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This paper investigates the bond behavior between a bio-aggregate and a cement-based matrix. The experimental evaluation comprised physical, chemical, image, and mechanical characterization of the bio-aggregate. The image analyses about the bio-aggregate’s outer structure provided first insights to understand the particularities of this newly proposed bio-aggregate for use in cementitious materials. A mineral aggregate (granitic rock), largely used as coarse aggregate in the Brazilian civil construction industry, was used as reference. The bond behavior of both aggregates was evaluated via pul

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Liulchenko, Yevhen, Serhiy Sakhno, Tetiana Sergiienko, and Maxim Sergiienko. "Development of sustainable compositions and study of the properties of porous aggregates from the waste of a mining and processing plants." E3S Web of Conferences 280 (2021): 07006. http://dx.doi.org/10.1051/e3sconf/202128007006.

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In connection with the growing need for saving natural resources used in aggregates for concrete, the importance of lightweight structural aggregates obtained from production waste is continuously increasing. Lightweight structural concretes on porous aggregates can significantly reduce own weight of structures, make it possible to manufacture larger structures, reduce transport costs, and improve the thermal insulation and acoustic properties of enclosing structures. The use of waste from the mining and metallurgical industry to produce construction materials significantly reduces environment

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3

Deepa, P. R., and Joy Anup. "Experimental Study on the Effect of Recycled Aggregate and GGBS on Flexural Behaviour of Reinforced Concrete Beam." Applied Mechanics and Materials 857 (November 2016): 101–6. http://dx.doi.org/10.4028/www.scientific.net/amm.857.101.

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Globally, the concrete industry consumes large quantities of natural resources, which are becoming insufficient to meet the increasing demands. Cement and aggregates are major constituents of concrete. Utilisation of waste materials in concrete instead of raw materials reduces environmental pollution. Ground-granulated blast-furnace slag (GGBS) is a by-product of steel industry. It has cementatious property. Recycled aggregates are obtained from demolishing waste. By using recycled concrete aggregate and GGBS in concrete we can reduce environmental problem to some extent. This experimental stu

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Luo, Hua, José Aguiar, Xiaoqi Wan, Yinggu Wang, Sandra Cunha, and Zhiyou Jia. "Application of Aggregates from Construction and Demolition Wastes in Concrete: Review." Sustainability 16, no. 10 (2024): 4277. http://dx.doi.org/10.3390/su16104277.

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In the current century, urbanization and the development of the construction industry have led to the generation of construction and demolition waste (CDW), imposing pressure on ecology and the environment. This has attracted the attention of industry personnel and researchers. This work discusses the current research on recycled coarse or fine aggregate, mainly focusing on the physical, mechanical and durability properties of sustainable concrete with recycled coarse or fine aggregate. Furthermore, it also summarizes CDW recycling and classification in major countries, the production processe

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Kim, Ji-Hwan, Sung-Ho Bae, and Se-Jin Choi. "Effect of Amorphous Metallic Fibers on Strength and Drying Shrinkage of Mortars with Steel Slag Aggregate." Materials 14, no. 18 (2021): 5403. http://dx.doi.org/10.3390/ma14185403.

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Recently, with increasingly stringent environmental regulations and the depletion of natural aggregate resources, high-quality aggregates have become scarce. Therefore, significant efforts have been devoted by the construction industry to improve the quality of concrete and achieve sustainable development by utilizing industrial by-products and developing alternative aggregates. In this study, we use amorphous metallic fibers (AMFs) to enhance the performance of mortar with steel slag aggregate. Testing revealed that the 28-day compressive strength of the sample with steel slag aggregate and A

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Vasić, Milan, Aleksandar Savić, Sanja Martinović, Milica Vlahović, and Tatjana Volkov-Husović. "Properties of green self-compacting concrete designed by particle packing density method." Holistic approach to environment 13, no. 2 (2023): 40–47. http://dx.doi.org/10.33765/thate.13.2.1.

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Since depletion of natural resources and the amount of construction and demolition waste have overcome the socially and environmentally acceptable level, the construction industry must address this issue and reduce its impact on the environment. A step towards sustainability in the construction industry is the application of recycled aggregates and supplementary cementitious materials as integral components of concretes, which provides conserving natural aggregates and waste reduction. This study adopts a holistic approach to producing green self-compacting concrete with the highest portion of

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Santos da Costa, Juzélia, Celso Aparecido Martins, and João Baptista Baldo. "Sanitary Ware Industry as an Aggregate to Produce Concrete and Mortar." Key Engineering Materials 517 (June 2012): 653–58. http://dx.doi.org/10.4028/www.scientific.net/kem.517.653.

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Chemical analysis of household waste from the sanitary ware industry is of fundamental importance in order to detect the presence of AAR (alkali-aggregate reaction), the same in field or laboratory. There are several test methods, these methods can detect pre-reactivity of aggregates compared to the sodium or potassium hydroxide present in hydrated cement paste. For the preparation of both the concrete and the mortar, from the recycled material, the aggregates were reduced until it had texture, close to the river sand and gravel. The analyses stayed in determining the potential of the alkali-a

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Ahmad @ Mohd Din, Norasyimah, K. Muthusamy, R. Embong, and L. Krishnaraj. "Recycling of Oil Palm Shell as Aggregate in Concrete: A Review." CONSTRUCTION 4, no. 1 (2024): 28–36. http://dx.doi.org/10.15282/construction.v4i1.10176.

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The consideration of using alternative materials as coarse aggregates in construction industry is to conserve the natural resources, reduce undesirable carbon dioxide (CO2) and environmental degradation related to conventional aggregate. Oil palm shell (OPS) which is a by-product from oil palm industry has shown potentials as an alternative to the conventional aggregate in concrete production. This paper reviews the previous studies on the application of OPS as a construction material and has been extensively used in tropical countries. The performance of OPS meets the minimum requirements for

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Nakamura, H., and S. Kajio. "Limestone industry in concrete aggregate." Concrete Journal 41, no. 10 (2003): 3–7. http://dx.doi.org/10.3151/coj1975.41.10_3.

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10

Buchanan, MS, CR Marek, JD Powell, and SW Dean. "Superpave and the Aggregate Industry." Journal of ASTM International 3, no. 8 (2006): 13638. http://dx.doi.org/10.1520/jai13638.

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11

Abdulrasool, Abdulrasool Thamer, Safaa S. Mohammed, Noor R. Kadhim, and Wail Asim Mohammad Hussain. "Sustainable Materials Used as Lightweight Aggregate :(An Overview)." IOP Conference Series: Earth and Environmental Science 961, no. 1 (2022): 012027. http://dx.doi.org/10.1088/1755-1315/961/1/012027.

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Abstract Lightweight aggregates (LWA) are building materials with a lower bulk density than standard construction aggregates. In recent years, the contribution of industry to the circular economy has become a serious concern. Among these, the mining sector is confronted with significant problems relating to the management of a huge quantity of generated waste. The major contemporary task is to address a number of interconnected challenges, including waste management and recycling, conservation of scarce natural resources, reduction of energy use, and reduction of greenhouse gas emissions. Natu

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Aslam, Muhammad, Payam Shafigh, and Mohd Zamin Jumaat. "Structural Lightweight Aggregate Concrete by Incorporating Solid Wastes as Coarse Lightweight Aggregate." Applied Mechanics and Materials 749 (April 2015): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amm.749.337.

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Structural lightweight aggregate concrete offers several benefits as compared to the normal weight concrete. Most common methods of producing structural lightweight concrete is by using artificial lightweight aggregates. However, the cost of the production of artificial lightweight aggregates is high due to energy and raw materials consumption. The use of waste and by-product materials as lightweight aggregate in concrete can provide a better solution to reducing the negative impact of the concrete industry. This paper reports an investigation to produce structural lightweight aggregate concre

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Sadhana, K., K. Suguna, and P. N. Raghunath. "Experimental study on properties of cinder aggregate lightweight concrete with fibre reinforcement." Materials Express 14, no. 6 (2024): 877–83. http://dx.doi.org/10.1166/mex.2024.2701.

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Lightweight concrete is gaining increasing significance in the construction industry due to its numerous advantages over conventional concrete. It can be produced by partially or fully replacing conventional coarse aggregates with lightweight aggregates. Laboratory tests were conducted to assess the feasibility of utilizing solid waste, such as cinders, for manufacturing lightweight aggregate concrete. The mechanical properties of cinder aggregate lightweight concrete were improved through the introduction micro-reinforcements. Polypropylene fibres were incorporated as micro-reinforcements at

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Saravanakumar, P. "Strength and Durability Studies on Geopolymer Recycled Aggregate Concrete." International Journal of Engineering & Technology 7, no. 2.24 (2018): 370. http://dx.doi.org/10.14419/ijet.v7i2.24.12087.

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This paper aims to study the engineering and durability properties of fly ash-based geopolymer recycled aggregate concrete and the results were presented in this paper. The addition of recycled coarse aggregate (RCA) retrieved from construction and demolition(C&D) wastes showed promising function in construction industry as an alternative to natural aggregates. It conserves enormous quantities of natural resources and reduces the space required for the landfill disposal of C&D wastes. In this study an increment of 25% partial replacements by weight of natural aggregates with recycled a

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Yuniar, Dewi, Fitriansyah Fitriansyah, Adi Susetyo Dermawan, Hadi Surya Wibawanto Sunarwadi, and Teten Suparto. "Variasi Penggunaan Limbah Crushing Plant Bijih Besi Gunung Batu Sebagai Agregat Halus Terhadap Mutu Beton." Media Ilmiah Teknik Sipil 11, no. 2 (2023): 150–57. http://dx.doi.org/10.33084/mits.v11i2.4758.

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The increasing demand for concrete as a construction material has resulted in the depletion of natural resources. This motivates the construction industry to continue to innovate in the manufacture of concrete. The utilization of iron ore waste as a substitute for fine aggregate is one of the solutions. This study aims to determine the optimum composition of iron ore waste as a substitute for fine aggregate on compressive test strength and economic value of concrete mix materials. This study used coarse aggregate from the quarry location of Mount Batu PTP Pelaihari District, Tanah Laut Regency

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Sivakumar, Pithchai Pandian, Elke G. ruyaert, Nele De Belie, and Stijn Matthys. "Feasibility Study on the Use of Modified Copper Slag as a Sustainable Fine Aggregate in Mortar." Recent Progress in Materials 03, no. 02 (2021): 1. http://dx.doi.org/10.21926/rpm.2102022.

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Depending on the availability of aggregate sources pertaining to their geographic locations, the concrete industry utilizes conventional aggregates such as marine sand, dredged gravel, or crushed rocks. This method requires high energy and high processing costs for washing and grinding. The objective of this work is to use Modified Ferro silicate slag (MFS), a by-product obtained from the copper industry, as an alternative to the conventional fine aggregates found in mortar. No additional processing such as washing or grinding is required. By using the MFS slag as an aggregate in mortar or con

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Choi, Se-Jin, Young-Uk Kim, Tae-Gue Oh, and Bong-Suk Cho. "Compressive Strength, Chloride Ion Penetrability, and Carbonation Characteristic of Concrete with Mixed Slag Aggregate." Materials 13, no. 4 (2020): 940. http://dx.doi.org/10.3390/ma13040940.

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The shortage of natural aggregates has recently emerged as a serious problem owing to the tremendous growth of the concrete industry. Consequently, the social interest in identifying aggregate materials as alternatives to natural aggregates has increased. In South Korea’s growing steel industry, a large amount of steel slag is generated and discarded every year, thereby causing environmental pollution. In previous studies, steel slag, such as blast furnace slag (BFS), has been used as substitutes for concrete aggregates; however, few studies have been conducted on concrete containing both BFS

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Rashwan, Mohamed H., and Mohamed Nagib Abou-Zeid. "Performance of Concrete Incorporating Stone Industry Waste as Aggregates." Transportation Research Record: Journal of the Transportation Research Board 2290, no. 1 (2012): 122–29. http://dx.doi.org/10.3141/2290-16.

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Scarcity of nonrenewable natural resources is stipulating the adoption of global sustainable approaches to ensure better utilization of resources. Abrasion mechanisms take place on concrete surfaces, such as pavements and hydraulic structures, as a result of mechanical wear, scour, erosion, and cavitation. Adequate attention has not been paid to the incorporation of coarse aggregate by-products from the stone industry in concrete used for building transportation infrastructures. This paper evaluates the performance of concrete mixtures that incorporate coarse aggregate by-products of the stone

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Naveena, M. P., and G. Narayana. "Alternative fine and coarse aggregates in concrete: a review." i-manager’s Journal on Civil Engineering 12, no. 1 (2022): 35. http://dx.doi.org/10.26634/jce.12.1.18480.

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Concrete is the most commonly used material in the construction industry, with concrete aggregates accounting for 75 percent of the volume. Due to their primary consumption, natural aggregates are subject to depletion, leading to environmental problems. Therefore is an urgent need to develop or manufacture aggregates. This paper critically reviews the available literature on the development of manufactured aggregate for use in cement concrete. This paper has reviewed the literature on available raw materials for the production of aggregates, the properties of aggregates and their suitability i

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Chavan, Ketan S., and Prof Manoj P. Wagh. "Experimental Study on Conventional Recycled Aggregate Concrete Associate with Micro Silica." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 2435–42. http://dx.doi.org/10.22214/ijraset.2023.54076.

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Abstract: The ongoing need for infrastructure around the world as a result of continued population growth suggests that more aggregate and cement will be needed in the manufacture of concrete. This would eventually result in greater carbon emissions, increased resource extraction, and depletion. The increasing aggregate and cement requirements are a result of the constant global demand for concrete. More extraction occurs as a result, depleting natural gravel resources and increasing CO2 emissions from quarrying operations. Construction costs and carbon emissions could both be reduced by parti

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Rodriguez Rodriguez, Margarita, Manuel de Jesús Pellegrini Cervantes, Ramon Corral Higuera, et al. "Estudio de permeabilidad y propiedades mecánicas de concreto elaborado con sustituciones de grueso reciclado. agregado: alternativa sostenible." Latin American Journal of Applied Engineering 6, no. 1 (2023): 1–8. http://dx.doi.org/10.69681/lajae.v6i1.30.

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The use of recycled aggregates for the production of concrete is increasingly frequent, contributing to the preservation of the environment by reducing the consumption of natural aggregates. Unfortunately, the properties of concrete manufactured with recycled aggregate differ from those of conventional concrete, being the entrance of water and aggressive ions a determining factor in the durability of structures, thus making it important the study of their mechanical and permeable properties. In this work the resistance to compression and the permeability properties of concrete manufactured wit

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Reddy1, T. C. Venkata. "PRODUCTION OF RECYCLED AGGREGATE FOR STRUCTURAL CONCRETE." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 06 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem36168.

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Recycling demolished concrete is crucial for efficient resource utilization and environmental preservation. The study investigates the use of recycled aggregate in structural concrete production. This study focuses on the mix design of recycled aggregate concrete using the IS mix design procedure with a targeted design strength. Five different concrete proportions were investigated, ranging from 0% ,25% ,50% ,75% and 100% replacement of natural aggregates by recycled aggregates. Results were discussed, with a focus on comparing cube compressive strength to cylindrical compression strength and

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Bae, Sung-Ho, Jae-In Lee, and Se-Jin Choi. "Characteristics of Mortars with Blast Furnace Slag Powder and Mixed Fine Aggregates Containing Ferronickel-Slag Aggregate." Materials 14, no. 19 (2021): 5879. http://dx.doi.org/10.3390/ma14195879.

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Recently, interest in environmentally friendly development has increased worldwide, especially in the construction industry. In this study, blast furnace slag powder (BFSP) and mixed steel fine aggregates were applied to cement mortars to reduce the environmental damage caused by the extraction of natural aggregate and to increase the recycling rate of steel by-products in the construction industry. We investigated the fluidity, compressive strength, tensile strength, accelerated carbonation depth, and chloride ion penetration resistance of mortars with steel slag aggregate and their dependenc

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Benjeddou, Omrane, and Nuha Mashaan. "Experimental Study of the Usability of Recycling Marble Waste as Aggregate for Road Construction." Sustainability 14, no. 6 (2022): 3195. http://dx.doi.org/10.3390/su14063195.

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The road construction industry consume a considerable amount of natural aggregates in the world. As a consequence, the increase in the natural aggregates demand increases the construction cost. On the other hand, marble spoil waste, generated from marble cutting and polishing process, is an environmental nuisance in the world. Indeed, an economical solution to this problem is the reuse of these wastes as an aggregates for road construction. The main objective of this study is to evaluate the usability of aggregate, obtained by crushing marble waste, as a conventional aggregate for road constru

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Jagan, Inti, Kurmapu Harshavardhan, Kancharapu Sharmila Rani, Karri Kavitha, and Killi Mohan Krishna. "Behaviour Analysis of Light Weight Concrete with Coconut Shell as a Partial Replacement of Coarse Aggregate." International Journal for Research in Applied Science and Engineering Technology 11, no. 4 (2023): 201–4. http://dx.doi.org/10.22214/ijraset.2023.50052.

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Abstract: Concrete is the most widely used material in the world for construction, more than any other commodity. It is also the second-most used material after water in the world. In concrete, aggregates are the most abundant component by volume and are naturally low in carbon, and the demand for natural coarse aggregate is increasing in construction activities. Using light aggregate materials as coarse aggregates can help reduce the environmental impact of construction projects. Lightweight aggregates in concrete have a low density, which gives it several other properties like low self-weigh

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Adomako, Solomon, Anette Heimdal, and Rein Terje Thorstensen. "From Waste to Resource – Utilising Residue from Ready-Made Concrete as New Aggregate." Nordic Concrete Research 64, no. 1 (2021): 1–10. http://dx.doi.org/10.2478/ncr-2021-0010.

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Abstract A new admixture is available, to reduce the sludge produced from the cleansing of production and transportation equipment in the fresh concrete industry. The result is agglomerations of hardening concrete, that might be utilised for aggregate. Utilisation depends on adequate properties. This paper reports from investigations on the physical and mechanical properties of the aggregate and discussions on the performance relative to natural and recycled aggregates and towards requirements for utilisation. The findings indicate substantial potential for utilisation, supporting the reductio

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Komlenovic, Srdan, Abdullah Mamun, and Dev Mishra. "Business cycle and aggregate industry mergers." Journal of Economics and Finance 35, no. 3 (2009): 239–59. http://dx.doi.org/10.1007/s12197-009-9098-y.

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Akshay, Kumar Jain. "Experimental investigation on the influence of recycled aggregate on the durability and mechanical properties of concrete." i-manager’s Journal on Civil Engineering 13, no. 4 (2023): 36. http://dx.doi.org/10.26634/jce.13.4.20282.

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Recycled aggregate refers to crushed concrete, mortar, bricks, or asphalt derived from construction debris and repurposed in other building projects. It is obtained by crushing demolished waste to reclaim the aggregate. Over the past few decades, the abundance of Construction and Demolition Waste (C&DW) has increased significantly, leading the concrete industry to incorporate it, thereby reducing the cost of aggregates. The use of C&D waste in construction not only decreases carbon emissions but also facilitates the expansion of the concrete industry without causing harm to the environ

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Chai, Yizhan, Zhen Yang, and Yuanyuan Duan. "The Influence of Chemical Component Distribution on the Radiometric Properties of Particle Aggregates." Applied Sciences 9, no. 7 (2019): 1501. http://dx.doi.org/10.3390/app9071501.

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The radiometric properties, including the extinction efficiency, absorption efficiency, scattering efficiency, and asymmetric parameter values of particle aggregates consisting of multiple chemical components are critical in industry and nature. This article aims to analyze the influence of chemical component distribution on these radiometric properties. The particle aggregates are generated by a diffusion-limited aggregate method by which spherical particles are stuck together randomly. The particle aggregates have two components with a major component of a fixed refractive index and a minor

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Srinivasan, K., J. Premalatha, and S. Srigeethaa. "A Performance Study on Partial Replacement of Polymer Industries Waste (PIW) as Fine Aggregate in Concrete." Archives of Civil Engineering 64, no. 3 (2018): 45–56. http://dx.doi.org/10.2478/ace-2018-0028.

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AbstractRecycling of plastic wastes helps in reducing waste disposal problems and helps for the sustainable development of the country. Concrete with various % (0 to 55%) of waste plastic aggregates were tested for their mechanical strength properties. In the present work, plastic aggregates obtained as end product of a polymer recycle industry in the form of grains called as plastic aggregates are used as fine aggregate replacements in concrete. The addition of plastic aggregate as fine aggregate replacements results in increase in compressive strength, split tensile strength and flexural str

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Khan, Rizwan Ahmad. "Effect of Partial Substitution of Fine Aggregate with Copper Slag on Mechanical and Durability of High Performance Concrete-A Review." Journal of Advanced Research in Civil and Environmental Engineering 07, no. 01 (2020): 1–11. http://dx.doi.org/10.24321/2393.8307.202001.

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The challenge before the construction industry is to meet the demand of the efficient and economically viable construction materials posed by the huge infrastructural needs. Many nations are observing an expeditious growth in the field of construction necessitating the utilization of natural reserves for the expansion of infrastructure. This expansion is giving a warning to available reserves of nature. The natural ingredients, fine aggregates and coarse aggregate constitute more than 70% volume of the concrete. The availability of these resources is decreasing at a very high pace. In fact due

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Loureiro, Carlos D. A., Caroline F. N. Moura, Mafalda Rodrigues, Fernando C. G. Martinho, Hugo M. R. D. Silva, and Joel R. M. Oliveira. "Steel Slag and Recycled Concrete Aggregates: Replacing Quarries to Supply Sustainable Materials for the Asphalt Paving Industry." Sustainability 14, no. 9 (2022): 5022. http://dx.doi.org/10.3390/su14095022.

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Various researchers are developing efforts to integrate waste and by-products as alternative materials in road construction and maintenance, reducing environmental impacts and promoting a circular economy. Among the alternative materials that several authors have studied regarding their use as partial or total substitutes for natural aggregates in the asphalt paving industry, the steel slag aggregate (SSA) and recycled concrete aggregate (RCA) from construction demolition waste (CDW) stand out. This paper reviews and discusses the characteristics and performance of these materials when used as

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Yagi, Shogo, Carlos Aquino, Masumi Inoue, and Takahisa Okamoto. "Volume Change of Limestone and its Effects on Drying Shrinkage of Concrete." Advanced Materials Research 168-170 (December 2010): 738–41. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.738.

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Recently, the cracks of concrete by drying shrinkage become one of the problems in the construction industry in Japan. The drying shrinkage decreases when the concrete is produced with limestone aggregate. However, it is not clear why the drying shrinkage is decreased. The purpose of this study is to clarify the relation between the drying shrinkage of concrete and the limestone aggregate. In this study, the experiments about the strength, elasticity and drying shrinkage of concrete and the physical properties and shrinkage of coarse aggregates were conducted. It is thought that the volume cha

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Kandiri, Amirreza, Farid Sartipi, and Mahdi Kioumarsi. "Predicting Compressive Strength of Concrete Containing Recycled Aggregate Using Modified ANN with Different Optimization Algorithms." Applied Sciences 11, no. 2 (2021): 485. http://dx.doi.org/10.3390/app11020485.

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Using recycled aggregate in concrete is one of the best ways to reduce construction pollution and prevent the exploitation of natural resources to provide the needed aggregate. However, recycled aggregates affect the mechanical properties of concrete, but the existing information on the subject is less than what the industry needs. Compressive strength, on the other hand, is the most important mechanical property of concrete. Therefore, having predictive models to provide the required information can be helpful to convince the industry to increase the use of recycled aggregate in concrete. In

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Ahn, Byung-Hwan, Su-Jin Lee, and Chan-Gi Park. "Chloride Ion Diffusion and Durability Characteristics of Rural-Road Concrete Pavement of South Korea Using Air-Cooled Slag Aggregates." Applied Sciences 11, no. 17 (2021): 8215. http://dx.doi.org/10.3390/app11178215.

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In the construction industry, the lack of supply and demand for high-quality natural aggregates is a problem. In the case of South Korea, according to data from the Ministry of Environment, it is predicted that the depletion of aggregate resources will occur in 20 years, considering the amount of aggregate used in construction every year and the amount of natural aggregate. Therefore, it is necessary to develop recycled aggregates that can replace natural aggregates for construction. The purpose of this study is to evaluate the applicability of recyclable air-cooled slag (ACS) aggregates as a

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Lu, Linfeng. "Optimal Replacement Ratio of Recycled Concrete Aggregate Balancing Mechanical Performance with Sustainability: A Review." Buildings 14, no. 7 (2024): 2204. http://dx.doi.org/10.3390/buildings14072204.

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Significant construction and demolition waste (CDW) is produced by many useless concrete buildings, bridges, airports, highways, railways, industrial mining, etc. The rising need for new construction has increased the use of natural materials, impacting the ecosystem and incurring high costs from mining natural aggregates (NA) and processing CDW. The concept and implementation of recycled aggregate concrete (RAC) offer a sustainable solution for the concrete industry. Crushed concrete, made from recycled concrete, can be used instead of natural aggregates in structural concrete. This sustainab

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SHAHEDAN, Noor Fifinatasha, Mohd Mustafa Al Bakri ABDULLAH, Ikmal Hakem AZIZ, et al. "POTENTIAL OF GEOPOLYMER COATING FOR LIGHTWEIGHT AGGREGATE VIA MILLING AND DIPPING METHOD: A REVIEW." European Journal of Materials Science and Engineering 7, no. 2 (2022): 94–105. http://dx.doi.org/10.36868/ejmse.2022.07.02.094.

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The high demand for construction materials and building products, particularly aggregates, necessitates the development of innovative as the natural aggregate resource depletes. Lightweight aggregates are one of the alternatives has meet industry demand with low apparent density, excellent thermal insulation property and fire protection. Unfortunately, lightweight aggregate has a high-water absorption rate, which results in low strength and high porosity. These conditions had a negative impact on the qualities of fresh concrete, such as strength, slump, and cracking. Surface coating is thought

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Sonwane, Rajiv, Pushpendra Kumar Kushwaha, and Jiji M. Thomas. "Review on The Production Of Concrete By Using Waste Coarse Material." IJOSTHE 6, no. 6 (2019): 3. http://dx.doi.org/10.24113/ojssports.v6i6.111.

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Marble Industry produces large amount of waste during mining and processing stages. This waste is dumped on to open land which creates a lot of environmental problems. Similarly granite is also produced in the same manner in great amount. We get recycle aggregate from the old dumped structures and buildings. the main objective of this study was utilization of marble, granite and recycled aggregate waste with polypropylene fiber as a replacement for conventional natural coarse aggregates in concrete.

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Yehia, Sherif, and Sharef Farrag. "Variability of Lightweight Aggregate Source: Effect on the Development of High Strength Lightweight SCC Matrix Blended with Normal Weight Aggregate." Concrete Structures 24 (2023): 51–61. http://dx.doi.org/10.32970/cs.2023.1.8.

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Structural lightweight concrete is a valuable alternative to normal weight concrete. Concrete prepared with coarse lightweight aggregate provides reduction of a structure self-weight and better structural performance in regions prone to seismic activities. However, variability of the coarse lightweight aggregate affects production and properties of the concrete. In addition, availability of the aggregate influences the long-term use and stability in the construction industry. Lightweight aggregate is imported from Iran, Turkey, Saudi Arabia, UK, and Greece to the United Arab Emirates (UAE) and

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Sonwane, Rajiv, Pushpendra Kumar Kushwaha, and Jiji M. Thomas. "Study of the Compressive Strength of Concrete Using Marble, Granite and Recycled Aggregates with Polypropylene Fiber." SMART MOVES JOURNAL IJOSCIENCE 5, no. 12 (2019): 7–11. http://dx.doi.org/10.24113/ijoscience.v5i12.242.

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Marble Industry produces large amount of waste during mining and processing stages. This waste is dumped on to open land which creates a lot of environmental problems We get recycle aggregate from the old dumped structures and buildings. The main objective of this study was utilization of marble, granite and recycled aggregate waste with polypropylene fiber as a replacement for conventional natural coarse aggregates in concrete. Experimental investigations were carried out to examine the feasibility of use of marble, granite and recycled aggregates waste as coarse aggregates in concrete. Conve

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Sonwane, Rajiv, Pushpendra Kumar Kushwaha, and Jiji M. Thomas. "Study of the Compressive Strength of Concrete Using Marble, Granite and Recycled Aggregates with Polypropylene Fiber." SMART MOVES JOURNAL IJOSCIENCE 5, no. 6 (2019): 6. http://dx.doi.org/10.24113/ijo-science.v5i6.242.

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Marble Industry produces large amount of waste during mining and processing stages. This waste is dumped on to open land which creates a lot of environmental problems We get recycle aggregate from the old dumped structures and buildings. The main objective of this study was utilization of marble, granite and recycled aggregate waste with polypropylene fiber as a replacement for conventional natural coarse aggregates in concrete. Experimental investigations were carried out to examine the feasibility of use of marble, granite and recycled aggregates waste as coarse aggregates in concrete. Conve

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42

Sonwane, Rajiv, Pushpendra Kumar Kushwaha, and Jiji M. Thomas. "Study of the Compressive Strength of Concrete Using Marble, Granite and Recycled Aggregates with Polypropylene Fiber." SMART MOVES JOURNAL IJOSCIENCE 5, no. 12 (2019): 7–11. http://dx.doi.org/10.24113/ijoscience.v5i6.242.

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Abstract:

Marble Industry produces large amount of waste during mining and processing stages. This waste is dumped on to open land which creates a lot of environmental problems We get recycle aggregate from the old dumped structures and buildings. The main objective of this study was utilization of marble, granite and recycled aggregate waste with polypropylene fiber as a replacement for conventional natural coarse aggregates in concrete. Experimental investigations were carried out to examine the feasibility of use of marble, granite and recycled aggregates waste as coarse aggregates in concrete. Conve

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Yu, Lei, Jing Song Tian, Jin Xi Zhang, and Rong Jun Yang. "Effect of Iron Ore Tailings as Fine Aggregate on Pore Structure of Mortars." Advanced Materials Research 250-253 (May 2011): 1017–24. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1017.

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Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this paper. The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can improve the pore structures of mortars or not. Pore structure parameters were measured with the instrument of MIP and calculated with corollary software. The pore structure parameters from four kinds of mortars with different fine aggregates are compared with each other. This paper will provide more data about the use of this artificial aggregate, which may increase the feasibili

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Gopalakrishnan, K. M., R. Murugesan, and V. Sampath Kumar. "Experimental Investigation on Recycled Aggregate as Partial Replacement on Natural Aggregate." Asian Review of Civil Engineering 1, no. 1 (2012): 19–24. http://dx.doi.org/10.51983/tarce-2012.1.1.2179.

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In construction industry and in urban areas, many concrete structures like buildings, bridges and roads are razed after a period of time into their service life for purpose of replacement and also due to natural disasters like earthquakes, cyclones and man made disasters like war and bombing. Due to increasing construction activities and infrastructure development works the sources of basic construction materials are depleting. It is becoming increasingly difficult to obtain good quality aggregate at reasonable prize. The increase in cost is mainly due to the cost of transportation and availab

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Gengan, Gavin, and Hsein Kew. "Environmental assessment of recycled glass aggregates in reinforced concrete." Theory and Building Practice 2023, no. 1 (2023): 92–101. http://dx.doi.org/10.23939/jtbp2023.01.092.

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The sustainability of the concrete industry is in jeopardy due to the use of natural resources which impacts the environment. A swift shift towards sustainable thinking is required considering the emergency triggered by human activity on the climate. Glass concrete (GC) has sparked curiosity of the construction industry owing to its environmentally friendly approach. This article examines the environmental implications of partially replacing natural aggregates in concrete with recycled glass aggregate at various percentages i.e. 10%, 25%, 50%, and 75% which is then compared to controlled concr

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Parham, Dean, and Simon Zheng. "Aggregate and Industry Productivity Estimates for Australia." Australian Economic Review 39, no. 2 (2006): 216–26. http://dx.doi.org/10.1111/j.1467-8462.2006.00414.x.

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Varona, Francisco B., Francisco Baeza-Brotons, Antonio J. Tenza-Abril, F. Javier Baeza, and Luis Bañón. "Residual Compressive Strength of Recycled Aggregate Concretes after High Temperature Exposure." Materials 13, no. 8 (2020): 1981. http://dx.doi.org/10.3390/ma13081981.

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Sustainability requirements are gaining importance in the construction industry, which needs to take specific measures in the design and construction of concrete structures. The use of recycled aggregates in concrete may be of special interest. Recycling a construction waste will close the life cycle of the original materials (e.g., concrete). Thus, environmental benefits would come from the lower waste generation, and from a lower necessity of raw materials for new structures. The current Spanish code for structural concrete considers the use of recycled aggregates in replacement rates up to

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Lakhiar, Muhammad Tahir, Noridah Mohamad, Ashfaque Ahmed Jhatial, Samiullah Sohu, and Mehboob Oad. "Mechanical Properties of Concrete Containing River Indus Sand and Recyclable Concrete Aggregate." Civil Engineering Journal 4, no. 8 (2018): 1869. http://dx.doi.org/10.28991/cej-03091121.

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In Pakistan construction Industry, concrete construction is cheaper than the other construction methods with respect to that construction materials demand rises. The 75% volume of total concrete fill with aggregate which contributes to decrease the natural aggregate resources day by day. The best solution for this problem is to utilize River Indus sand and recyclable concrete aggregate as fine and coarse aggregate respectively. In this research the River Indus sand and recyclable coarse aggregate were fully replaced with normal aggregates. The aim of this study was to examine the flexural and

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Carmal, Judith. "Experimental Investigation on Ductility in Fly Ash Aggregate Concrete." International Journal of Innovative Research in Advanced Engineering 11, no. 05 (2024): 492–99. http://dx.doi.org/10.26562/ijirae.2024.v1105.08.

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Aggregate in concrete is structural filler, which occupies the most of the volume of the concrete The composition, shape and size of the aggregate have significant impact on the workability, durability, strength, weight and shrinkage of the concrete. In recent period some of the aggregates are chemically active and also that certain aggregates exhibit chemical bond at the interface of aggregate and paste. Aggregate occupy 60-80% of the volume of concrete is considerable. The utilization of fly ash in concrete as partial replacement of cement is gaining immense importance today, mainly on accou

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Hosen, Kamal, Md Abdulla Al Maruf, Rayhan Howlader, Kripendra Chakma, and Md Rezars Mia. "Concrete Strength and Aggregate Properties: In-Depth Analysis of Four Sources." Civil Engineering Journal 10, no. 4 (2024): 1254–64. http://dx.doi.org/10.28991/cej-2024-010-04-016.

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In the field of Reinforced Concrete Construction, concrete emerges as the predominant and extensively employed construction material. Concrete comprises a solid, chemically inert granular substance called coarse aggregate (CA) bonded with cement and water. Compared to fine aggregate or cement, CA has a larger volume of concrete. By examining the characteristics of the coarse aggregate using various laboratory testing processes, the coarse aggregate may be properly used in concrete. Bangladesh is experiencing significant growth in its infrastructure industry due to the construction of mega proj

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