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Artykuły w czasopismach na temat „Coarse Aggregate Replacement”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Shah, Prof Ajinkya S., Vaibhav Pradip pawar, Nikhil Ashok Khumbhar, Alim altab maner, and Yogesh Umesh Kalel. "Suitability of Partial Replacement of Coarse Aggregate by Replacement Coarse Aggregate." International Scientific Journal of Engineering and Management 04, no. 07 (2025): 1–9. https://doi.org/10.55041/isjem04734.

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Concrete is the main material used in construction, composed of water, fine aggregate, coarse aggregate, and cement. The aggregates, sourced from nature, are depleting rapidly due to excessive use for development, creating a future shortage. To address this, it's essential to find alternatives. Demolition waste, a byproduct of construction and renovation Demolish concrete is huge problem we are facing now a days waste accumulates in large quantities, hampers the environment of disposal sites. The aggregate resource is limited it create imbalance between the high demand and supply. We collected

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Altwair, Nurdeen Mohamed, Ali Gomaa Abuzgaia, Abdualhamid Mohamed Alsharif, Lamen Saleh Sryh, Saleh Elmahdi Ali Abdulsalam, and Khalid Ashur Swalem. "Assessing the Effects of Libyan Iron Slag on Self-Compacting Concrete Characteristics." Engineering, Technology & Applied Science Research 15, no. 1 (2025): 19589–95. https://doi.org/10.48084/etasr.9337.

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The current study addresses the growing environmental issue of waste from blast high furnaces, particularly iron and steel plants in Libya. It investigates the fresh and mechanical properties of Self-Compacting Concrete (SCC) by substituting conventional aggregate with slag aggregate. The fresh properties of SCC were assessed using slump flow diameter, T50 flow time, J-ring, and L-box tests. Its mechanical properties were also evaluated, including compressive strength, flexural strength, splitting tensile strength, and Ultrasonic Pulse Velocity (UPV). Various replacement ratios were tested, 30

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Kumutha, R., and K. Vijai. "Effect of Recycled Coarse Aggregates in Properties of Concrete." Journal of Green Building 3, no. 4 (2008): 130–37. http://dx.doi.org/10.3992/jgb.3.4.130.

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The properties of concrete containing coarse recycled aggregates were investigated. Laboratory trials were conducted to investigate the possibility of using recycled aggregates from the demolition wastes available locally as the replacement of natural coarse aggregates in concrete. A series of tests were carried out to determine the density, compressive strength, split tensile strength, flexural strength and modulus of elasticity of concrete with and without recycled aggregates. The water cement ratio was kept constant for all the mixes. The coarse aggregate in concrete was replaced with 0%, 2

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Bangwar, D. K., A. Saand, M. A. Keerio, M. A. Soomro, and A. N. Laghari. "Replacement of Coarse Aggregate with Locally Available Brick Aggregate." Engineering, Technology & Applied Science Research 7, no. 6 (2017): 2266–67. http://dx.doi.org/10.48084/etasr.1587.

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Due to the abundant usage of concrete as a construction material, there is a fast dwindling source of aggregates. There are regions where there is scarcity of coarse aggregate, so to resolve this problem, Bricks Aggregates (BAs) can be used as coarse aggregate. A concrete mix ratio of 1:2:4 having characteristics strength of 3000 psi has been used in this experimental work. Compressive and tensile strength of concrete mix where 50% coarse aggregate is replaced with brick aggregate and concrete mix where 100% coarse aggregate is replaced with brick aggregate and addition of silica fume as a sup

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Bangwar, D. K., A. Saand, M. A. Keerio, M. A. Soomro, and A. N. Leghari. "Replacement of Coarse Aggregate with Locally Available Brick Aggregate." Engineering, Technology & Applied Science Research 7, no. 6 (2017): 2266–67. https://doi.org/10.5281/zenodo.1118360.

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Due to the abundant usage of concrete as a construction material, there is a fast dwindling source of aggregates. There are regions where there is scarcity of coarse aggregate, so to resolve this problem, Bricks Aggregates (BAs) can be used as coarse aggregate. A concrete mix ratio of 1:2:4 having characteristics strength of 3000 psi has been used in this experimental work. Compressive and tensile strength of concrete mix where 50% coarse aggregate is replaced with brick aggregate and concrete mix where 100% coarse aggregate is replaced with brick aggregate and addition of silica fume as a sup

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6

Botchway, Derrick Nii-Laryea, John Bentil, and Charles Yeboah Henaku. "Effect of Partial Replacement of Coarse Aggregate with Electronic Waste Plastic in Light Weight Concrete." Journal of Management Science & Engineering Research 5, no. 2 (2022): 38–44. http://dx.doi.org/10.30564/jmser.v5i2.4801.

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This study assessed the usefulness of the replacement of coarse aggregate partially with electronic waste (e-waste) plastic in lightweight concrete since developing countries have been challenged with management of e-waste as well as high cost of coarse aggregates for concrete production. Coarse aggregates were replaced with e-waste plastic in concrete at 5%, 10%, 15%, and 20% for a concrete class of C20. The particle size distribution of the e-waste plastic aggregates was determined as well as the slump, compressive strength, water absorption and bulk density of the concrete. Generally, the s

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7

Aktar, Most Sonia, Md Sultanul Islam, and Syria Mostak. "Performance Study of Construction and Demolition Waste as Coarse Aggregate on Strength and Cost-Effectiveness of Concrete." International Research Journal of Innovations in Engineering and Technology 08, no. 12 (2024): 53–59. https://doi.org/10.47001/irjiet/2024.812009.

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Concrete, the most widely used construction material, is mainly composed of coarse aggregate, fine aggregate, binding material and water. Limited natural resources have been utilized over the years for producing aggregates in the construction industry. The rapidly increasing generation of construction and demolition waste (CDW) threatens the environment, especially for countries like Bangladesh where it has become more difficult to dispose of due to rapid urbanization. As a result, continuous research has been conducted on recycling CDW so that they can be used as partial replacement of conven

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8

MBADIKE, ELIVS M., and EZEOKPUBE G.C. "Effect of Plastic Synthetic Aggregate in the Production of Lightweight Concrete." JOURNAL OF ADVANCES IN BIOTECHNOLOGY 2, no. 1 (2014): 83–88. http://dx.doi.org/10.24297/jbt.v2i1.5051.

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In this research work, the effect of plastic synthetic aggregate in the production of lightweight concrete was studied. The plastic synthetic aggregate was used to replace 0-40% of coarse aggregates. A mix proportion of 1:1.8:3.7 with water cement ratio of 0.47 were used. Concrete cubes of 150mmx150mmx150mm of coarse aggregate/plastic synthetic aggregate were cast and cured at 3,7,28,60 and 90 days respectively. At the end of each hydration period, the three concrete cubes for each hydration period were crushed and their average compressive strength recorded. A total of ninety (90) concrete cu

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9

Lan, Yue, Liangshan Shao, Zhiqing Pang, and Yuyuan Ma. "Research mortar recycled coarse aggregate effect on the strength and drying shrinkage properties of concrete." Journal of Physics: Conference Series 2954, no. 1 (2025): 012032. https://doi.org/10.1088/1742-6596/2954/1/012032.

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Abstract Different mortar coarse aggregate strength grades and various mortar coarse aggregate replacement rates were used to study C30 recycled aggregate concrete strength and durability of dry shrinkage. The results show that as the proportion of recycled coarse aggregate to the mortar increased, the concrete mixture became less fluid. Reducing the recycled rough strength caused a steady decrease in concrete strength, even if the replacement rate of recycled coarse aggregate in the mortar was constant. The strength of the concrete also decreased gradually as the rate of recycled crude aggreg

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10

Mallikarjuna Reddy, Dr V., and M. Manikanta Sai Swaroop. "Effect of Recycled Aggregates on Strength and performance of Recylced Aggregate Concrete." E3S Web of Conferences 184 (2020): 01085. http://dx.doi.org/10.1051/e3sconf/202018401085.

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This study is taken up to utilise the recycled coarse aggregate and recycled fine aggregate as replacement of natural aggregate in concrete mix. It is required to find the percentage of recycled coarse aggragate and recycled fine aggregate, as the strength of concrete can not be achieved by using higher percentaged. The purpose of study is to compare between recycled coarse aggregate and recycled fine aggregate with natural coarse aggregate and sand in terms of specific gravity, water absorption, particle size distribution. Further, this stydy will also consider the difference between the perf

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Zhu, Ping Hua, and Yi Lei. "Research on Strength Properties of Concrete Using Aggregates from Repeatedly Recycling Concrete Waste." Applied Mechanics and Materials 665 (October 2014): 147–50. http://dx.doi.org/10.4028/www.scientific.net/amm.665.147.

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The strength properties of recycled aggregate concrete (RAC) using aggregates from repeatedly recycling concrete waste were studied. The relationships between cube compressive strength and splitting tensile strength and between each strength and replacement ratio of recycled aggregate to natural aggregate were established. The results showed that the strength properties of RAC with the design strength of 30MPa can be satisfied when the quality of recycled coarse and fine aggregates met respectively the needs of Grade II in GB/T25177-2010 and Grade III in GB/T25176-2010, with the replacement ra

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12

Lee, Yong Taeg, Seong Uk Hong, Hyun Suk Jang, Sang Ki Baek, and Young Sang Cho. "Compressive Strength Estimation of Recycled Coarse Aggregate Concrete Using Ultrasonic Pulse Velocity." Applied Mechanics and Materials 147 (December 2011): 288–92. http://dx.doi.org/10.4028/www.scientific.net/amm.147.288.

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National effort to recycle construction waste as structural concrete usage of high economic value is ongoing, but performance rate of recycling is a low-level due to a lack of awareness on the recycled aggregates. Accordingly, the goal of this study was to verify the structural applicability of recycled aggregates. This study compared a compressive strength based on the replacement ratio of natural aggregate and recycled aggregate, and analyzed a correlation of wave velocity due to the increase in compressive strength under the same condition. The 『design standard strength – replacement ratio

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13

Rahul, Bevinagidad, Chavan Akash, and Hiremath Gurubasav. "An investigation on the effect of partial replacement of coarse aggregates by pre-treated plastic on concrete." i-manager's Journal on Structural Engineering 11, no. 2 (2022): 23. http://dx.doi.org/10.26634/jste.11.2.18969.

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Earth is currently dealing with a pandemic. In a view to solve both the problems at once, replacing the major ingredient of concrete, that is, coarse aggregate, by waste plastic seems a promising prospect. Also, quarrying, the process by which stones are extracted from the earth, has devastating impacts on the local ecosystem, ground water, and even has air-polluting effects, so finding a replacement for coarse aggregate would be a boon to the construction industry as a whole. In this work, coarse aggregates were replaced with pre-treated plastic and behaviour with respect to strength was obse

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14

Gerges, Najib Nicolas, Camille Amine Issa, Samer Ahmad Fawaz, Jacques Jabbour, Johnny Jreige, and Aiman Yacoub. "Recycled Glass Concrete: Coarse and Fine Aggregates." European Journal of Engineering Research and Science 3, no. 1 (2018): 1. http://dx.doi.org/10.24018/ejers.2018.3.1.533.

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Conventional concrete aggregate consists of sand (fine aggregate) and various sizes and shapes of gravel or stones (coarse aggregate). However, there is a growing interest in substituting alternative aggregate materials, largely as a potential use for recycled materials. While there is significant research on many different materials for aggregate substitutes such as granulated coal ash, blast furnace slag or various solid wastes including fiberglass waste materials, granulated plastics, paper and wood products or wastes, sintered sludge pellets and others. Recycled waste glasses were used as

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15

Gerges, Najib Nicolas, Camille Amine Issa, Samer Ahmad Fawaz, Jacques Jabbour, Johnny Jreige, and Aiman Yacoub. "Recycled Glass Concrete: Coarse and Fine Aggregates." European Journal of Engineering and Technology Research 3, no. 1 (2018): 1–9. http://dx.doi.org/10.24018/ejeng.2018.3.1.533.

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Conventional concrete aggregate consists of sand (fine aggregate) and various sizes and shapes of gravel or stones (coarse aggregate). However, there is a growing interest in substituting alternative aggregate materials, largely as a potential use for recycled materials. While there is significant research on many different materials for aggregate substitutes such as granulated coal ash, blast furnace slag or various solid wastes including fiberglass waste materials, granulated plastics, paper and wood products or wastes, sintered sludge pellets and others. Recycled waste glasses were used as

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16

Naveen Puttaganti, Venkata. "Replacement of Coarse Aggregate with Waste Marble." International Journal of Science and Research (IJSR) 13, no. 5 (2024): 497–514. http://dx.doi.org/10.21275/sr24506110055.

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Ahmad, Siti Hamizah, Noor Dina Md Amin, Noorwirdawati Ali, et al. "The Effects of Domestic Plastic Waste on Concrete Properties: Sustainable Replacement of Aggregates." Journal of Advanced Research in Applied Mechanics 132, no. 1 (2025): 185–94. https://doi.org/10.37934/aram.132.1.185194.

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Plastic waste poses a major environmental challenge in Southeast Asia, with Malaysia as the largest contributor. Recycling offers a solution by incorporating plastic waste as a substitute material in concrete production. This approach addresses environmental concerns while promoting sustainable construction practices. This study investigates the optimal ratios of cement, water, plastic replacement, and aggregate in concrete compositions. Furthermore, it examines the influence of domestically sourced waste plastic on concrete properties. A comparative analysis is conducted between concretes wit

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18

Irham, Mat Zain Muhamad Azffar, Nurizaty Zuhan, Nadiah Sa’ari, Kasali A. Mujedu, and Bishir Kado. "Mechanical Properties of Concrete Containing Coconut Shell as Coarse Aggregate Replacement." Journal of Sustainable Civil Engineering and Technology 3, no. 1 (2024): 69–80. http://dx.doi.org/10.24191/jscet.v3i1.69-80.

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The increase in the price of traditional construction materials is a serious issue. Concrete, which is made of cement, sand, coarse aggregate, and water, is widely used as a building material. However, an increase in concrete production has certain negative consequences for the environment, such as the extraction of natural resources such as aggregate. Therefore, innovation in concrete materials without neglecting strength can always be done. Coconut shells are one of the recycled materials that can be used as a replacement for conventional construction materials such as aggregate. The aim of

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Zhu, Ping Hua, Su Cheng Zhang, and Qun Xia. "Research on Frost Resistance of Recycled High Performance Concrete." Applied Mechanics and Materials 665 (October 2014): 159–62. http://dx.doi.org/10.4028/www.scientific.net/amm.665.159.

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Experimental research on the frost resistance of recycled high performance concrete (RHPC) was carried out, in which three kinds of replacements were considered including recycled coarse or fine aggregate to natural coarse or fine aggregate and together. The results showed that RHPC had the lower dynamic modulus and mass loss than natural aggregate concrete when the replacement of recycled coarse or fine aggregate ranged 30-70% or 10-50%. The best frost resistance of RHPC appeared to the simultaneous replacements of 50% and 10% for recycled coarse and fine aggregate.

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Panghal, Harish, and Awadhesh Kumar. "Enhancing Concrete Sustainability: Assessing the Impact of Construction and Demolished Waste Aggregates on Strength and Rapid Chloride Permeability as a Durability Indicator." E3S Web of Conferences 453 (2023): 01009. http://dx.doi.org/10.1051/e3sconf/202345301009.

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The construction industry is adopting sustainable practices by using Construction and Demolished (C&D) waste aggregates in concrete production. This study investigates the impact of C&D waste on concrete’s compressive strength and rapid chloride permeability (a vital durability Indicator), examining the relationship between aggregate replacements, strength, and chloride permeability. The goal is to guide the creation of robust and eco-friendly concrete formulations. The results show that higher levels of C&D waste aggregate replacement lead to reduced compressive strength and incre

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Mahfujur, Rahman, and Monzila Akter Mst. "Effects of Recycled Aggregates Including Waste Plastic Materials and Quarry Dust on Compressive Strength of Concrete." Journal of Building Construction 1, no. 2 (2019): 1–8. https://doi.org/10.5281/zenodo.3381080.

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Concrete mixture is a vital element in building up any type of constructions that require a wide range of mechanical and sustainable properties in providing safe and durable structures. The variation of compressive strength based on partial replacement of fresh Coarse and fine aggregates by recycled aggregates and combination of quarry dust with waste plastic materials has discussed in this study. Three type’s proportions of cement, sand and aggregates respectively as 1:1.25:2.5; 1:1:2 & 1:0.75:1.5 was used in providing cylinder for getting concrete mix. In providing concrete mixture

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Martínez-García, R., P. Jagades, F. J. Fraile-Fernández, and J. de Prado-Gil. "Influence of design parameters on the fresh and durable properties of self-compacting concrete with recycled aggregate." IOP Conference Series: Materials Science and Engineering 1222, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1757-899x/1222/1/012012.

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Abstract The objective of this paper is to analyse the influence of design parameters on the fresh and mechanical properties in the manufacture of self-compacting concrete with recycled fine and coarse aggregates. Design parameters such as water-cement ratio, water/paste ratio, total aggregate to cement ratio, fine aggregate to coarse aggregate ratio, water to solid ratio in percentage, superplasticiser content, RCA replacement percentage and RFA replacement percentage are analysed. The design parameters are found to affect the evolution of the fresh and mechanical properties of SCC with recyc

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Abdul, Razak B. H., and S. Vivek. "Feasibility study on utilization of coconut shell aggregates in concrete." i-manager's Journal on Structural Engineering 12, no. 1 (2023): 20. http://dx.doi.org/10.26634/jste.12.1.19978.

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Several materials are being used in concrete as a replacement to coarse aggregates. The present study focuses on experimenting with using Coconut Shell Aggregates (CSA) as replacement to coarse aggregates partially. The high strength and modulus of the coconut shell make it a suitable coarse aggregate for concrete applications. The replacement levels were set at 10%, 15%, and 20%. The experimental results revealed that CSA, when replaced with conventional coarse aggregates, gave satisfactory compressive strength up to 15% replacement, beyond which the strength dropped below the required value.

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Aboalella, Alaa Abdeltawab, and Abeer Elmalky. "Use of crushed bricks and recycled concrete as replacement for fine and coarse aggregates for sustainable concrete production." Challenge Journal of Concrete Research Letters 14, no. 2 (2023): 39. http://dx.doi.org/10.20528/cjcrl.2023.02.002.

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The growing concern over the significant ecological changes requires sustainable developments in all fields. Concrete production is one of the largest consumers of natural resources as it consumes a huge volume of natural fine and coarse aggregates, which constitute 70% - 80% of the concrete volume. It is evident that such large amount of concrete production in the growing construction industry puts significant impact on the use of natural resources and the environment. Hence, investigating the use of recycled materials to replace the finite natural resources became evident and is the focus of

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Kalaimani, D., and G. Srinivasan. "Strength and durability properties of concrete made with recycled coarse aggregate and seashore sand." SINERGI 28, no. 1 (2023): 115. http://dx.doi.org/10.22441/sinergi.2024.1.012.

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The process of depletion of sources of natural aggregates poses challenges to produce technically and environmentally suitable concrete. Aggregate compositions found in construction and demolition (C&D) waste offer potential alternatives to natural coarse aggregates. Additionally, the utilization of abundantly available natural material like seashore sand, as a replacement for river sand, can present a viable solution to this problem. This research paper investigates the performance of concrete that incorporates 40% recycled coarse aggregates, along with varying percentages of seashore san

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Hassan, Hossam F., Khalid Al-Shamsi, Khalifa Al-Jabri, and Saba Al Amri. "Evaluation of the Rutting Performance of Hot-Mix Asphalt Concrete Containing Ferrochrome Slag Aggregate." Construction Materials 5, no. 2 (2025): 35. https://doi.org/10.3390/constrmater5020035.

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Ferrochrome (FeCr) slag is a by-product of high-carbon ferrochromium, which is used in the manufacturing of stainless steel. In this study, FeCr was evaluated as a replacement for natural aggregates in hot-mix asphalt (HMA) bituminous base and wearing course layers. Four mixes were designed according to the Superpave mix design procedure, one control and three mixes, with FeCr slag replacing coarse, fine, or total aggregate. FeCr slag exhibited higher angularity and surface roughness than natural aggregates, resulting in an increased number of voids in mineral aggregate (VMA) and increased bin

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Sai Kumar, K. S., P. Greeshma, K. G. S. V. Rambabu, and J. Pavan Kumar. "Performance Evaluation of Concrete with Replacement of Pumice and M-Sand: A Comprehensive Analysis." Journal of Physics: Conference Series 2779, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1742-6596/2779/1/012012.

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Abstract Since there is a deficit of raw materials available for construction, concrete is essential in designing concrete structures in the modern world. As a result, the construction sector is now familiar with cutting-edge techniques that utilize waste material that is readily available for partial replacement by substituting alternative aggregates for regular aggregates. In this study, pumice stone located in the lowest section of the ocean or the abyss of red clay is utilized in place of concrete, with a replacement in a portion made of pumice mixed with cement. Concrete’s mechanical and

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Mohammed, Nisreen, Kaiss Sarsam, and Mazin Hussien. "The influence of recycled concrete aggregate on the properties of concrete." MATEC Web of Conferences 162 (2018): 02020. http://dx.doi.org/10.1051/matecconf/201816202020.

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Use of Recycled Coarse Aggregate (RCA) in concrete can be described in terms of environmental protection and economy. This paper deals with the mechanical properties of concrete compressive strength, splitting tensile strength, modulus of elasticity, and modulus of rupture. Three kinds of concrete mixtures were tested, concrete made with Natural Coarse Aggregate (NCA) as a control concrete and two types of concrete made with recycled coarse aggregate (50% and 100% replacement level of coarse recycled aggregate). These kinds of concrete were made with different targets of compressive strength o

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Jeengar, Rohit. "Experimental Study on Partial Replacement of Natural Coarse Aggregate with Marble Waste Aggregate in Concrete." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 1155–60. http://dx.doi.org/10.22214/ijraset.2022.47144.

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Abstract: Marble waste is produced from marble industries as a result of production. More production equals more waste, more waste creates environmental contamination. A high volume of marble production has generated a considerable amount of waste materials; almost 70% of the minerals gets wasted in the mining, processing and polishing stages which have a serious impact on the environment. Also, a large amount of marble is accumulating in the environment due to demolition of old structures having marble. This causes environmental pollution. An economically viable solution to this problem shoul

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Varun, Yadav, Kumar Sudhansu, and Bharat Nagar Dr. "Effects of Waste Asbestos Cement Sheet on Compressive Strength and Flexural Strength of Concrete." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 866–70. https://doi.org/10.5281/zenodo.3589813.

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Concrete is the leading construction material in the region of the world and used in structural works, including infrastructure, low and high rise buildings. It is a man made artifact, essentially consisting of a combination of cement, aggregates, admixture s and water. Inert granular materials such as natural and crushed stone or gravel form the main part of the aggregates. Conventionally aggregates have been available at economical prices as well as of qualities to suit the entire purposes. But, the continued wide withdrawal of aggregates has been questioned as of the depletion of quality ma

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Rahma Nindya Ayu Hapsari, Bambang Haryadi, Agung Sutarto, Monica Ayu Istianti, Joan Rafif Panduwijaya, and Aulia Putri Lanjarsari. "HIGH QUALITY ECONOMICAL CONCRETE WITH VARYING COMPOSITIONS OF RECYCLED AGGREGATE AS A SUBSTITUTION OF COARSE AGGREGATE." Journal Innovation of Civil Engineering (JICE) 4, no. 2 (2023): 129–39. http://dx.doi.org/10.33474/jice.v4i2.20413.

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The high level of infrastructure development at present forces old buildings to undergo repairs or even demolition to make way for new buildings that are more suitable and representative. The resulting demolition waste is usually discarded, becoming solid waste. The solution to the above problem is recycling the concrete waste as an alternative aggregate to replace some or all of the natural aggregates in the concrete mixture. Concrete with recycled aggregates is made with several composition variations of replacement to natural coarse aggregates, which is 0%, 25%, 35%, 45%, and 50%. The concr

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Zhang, Rui, and Tao Zhang. "Preliminary Research on Waste Incineration Bottom Ash Concrete." Advanced Materials Research 250-253 (May 2011): 1007–10. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1007.

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We use the bottom ash from Harbin Municipal Solid Waste Incineration Plant as concrete coarse aggregate and study the engineering properties of the coarse aggregate, failure mode of waste incineration bottom ash concrete, the relationship between compressive strength and bottom ash coarse aggregate replacement rate, water cement ratio, apparent density and development trend of compressive strength. Comparing with natural aggregates, the bottom ash has higher water absorption rate, lower apparent density and crushing value index. The failure mode of waste incineration bottom ash concrete is sim

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Padgha, Megha. "An Experimental Study of Concrete Mixed with Coconut Shell as Partial Replacement of Course Aggregate." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem30638.

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The high cost of conventional construction materials affects the economy of structure. The possibility of utilizing recycled coconut shell aggregates in concrete as coarse aggregate is examined in the present study. An optimum percentage replacement of coarse aggregate with coconut shell aggregate is determined from the study. Coconut shell is a lightweight material thus producing lightweight concrete. The replacement of coarse aggregate of coconut shell by 10%, 20% and 30%. The Design mix used is M20 grade and testing of specimens are conducted after 7 and 28 days of curing. The flexural and

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Amuda, Abubakar. "INVESTIGATION OF RECYCLED PLASTIC COATED WITH SAND AS A COARSE AGGREGATE IN LIGHTWEIGHT CONCRETE." Nile Journal of Engineering and Applied Science 2, no. 1 (2024): 1. http://dx.doi.org/10.5455/njeas.163513.

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Abstract— The preservation and sustainability of life on our planet are seriously threatened by environmental issues brought on by plastic pollution and excessive quarrying for natural aggregates; as a result, a workable substitute for natural aggregates would advance material sustainability. This work investigated the use of recycled plastic coated with sand as partial replacement for natural coarse aggregates in concrete production. Concrete of grade 25 was investigated in this study. Five concrete mixes involved the partial replacement of natural coarse aggregates with recycled plastic aggr

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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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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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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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Khaudiyal, S., M. A. Gour, N. Garg, S. K. Das, and S. Kumar. "Optimising partial replacement of coarse and fine aggregates with medical PP plastic and HIPS plastic waste to develop lightweight concrete." IOP Conference Series: Earth and Environmental Science 1086, no. 1 (2022): 012050. http://dx.doi.org/10.1088/1755-1315/1086/1/012050.

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Abstract Climate change, land scarcity, overexploitation of natural resources, generation of vast amount of trash, and the difficulty to dispose off that trash in an effective and safe manner are just some of the issues that modern society is now dealing with. Inevitably, as the need for new construction rises, so does the demand for the materials needed to make new buildings. Incorporating waste components into the concrete will alleviate some of the pressure placed on the virgin building materials and will also contribute to the removal of a sizeable amount of garbage from the surface of the

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Hong, Seong Uk, Seung Hun Kim, and Yong Taeg Lee. "Estimation of Compressive Strength of Recycled Aggregate High Strength Concrete Using Ultrasonic Pulse Velocity." Key Engineering Materials 605 (April 2014): 147–50. http://dx.doi.org/10.4028/www.scientific.net/kem.605.147.

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This study used the ultrasonic pulse velocity method, one of the non-destructive test methods that does not damage the building for maintenance of to-be-constructed concrete structures using recycled aggregates in order to estimate the compressive strength of high strength concrete structure using recycled coarse aggregate and provide elementary resources for technological establishment of ultrasonic pulse velocity method. 200 test pieces of high strength concrete 40, 50MPa using recycled coarse aggregate were manufactured by replacement rates (0, 30, 50, 100%) and age (1, 7, 28, 180days), and

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Zhang, Kaijian, Jianzhuang Xiao, Yiqing Hou, and Qingtian Zhang. "Experimental study on carbonation behavior of seawater sea sand recycled aggregate concrete." Advances in Structural Engineering 25, no. 5 (2022): 927–38. http://dx.doi.org/10.1177/13694332211026221.

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The carbonation behavior of seawater sea sand recycled aggregate concrete (SSRAC) was investigated in this study. Considering different added water, fine aggregates, and coarse aggregates, the specimens were divided into 12 groups for the accelerated carbonation test by 7 days, 14 days, and 28 days. Among them, river sand, sea sand, and mixed sand (the proportion of sea sand and shell sand was 4:1) were used as fine aggregates. The results show that the carbonation depths of concretes with different mixtures all increase over time. When the replacement ratio of recycled coarse aggregate (RCA)

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Wali, Suchita, and Dr Praveen Kumar P. "Laboratory Studies on Strength Properties of Concrete using Fly Ash and GGBS." International Journal for Research in Applied Science and Engineering Technology 12, no. 5 (2024): 3581–88. http://dx.doi.org/10.22214/ijraset.2024.62398.

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Abstract: Cement, fine aggregate, coarse aggregate, and water are the basic raw materials used in the manufacture of concrete. The naturally available aggregates are very precious and need to be conserved. Waste materials such as fly ash and Ground Granulated Blast Furnace Slag (GGBS) which cause disposal problems, and environmental problems can be economically used as a partial replacement for both fine and coarse aggregate. The present research focuses on conducting laboratory studies on the properties of M30 grade concrete by replacing fine and coarse aggregate with fly ash and GGBS. The re

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Rajeev, Ranjan, and Rai Anubhav. "To Study the Properties of Concrete Mix on Partial Replacement of Coarse Aggregate with Burnt Bricks." International Journal of Innovative Research in Engineering and Management (IJIREM) 10, no. 03 (2023): 1–4. https://doi.org/10.5281/zenodo.8114010.

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These days, materials such as over-burned bricks blast are employed as an alternative to coarse aggregates. This paper investigates the physical features of concrete formed with burned bricks blast. Natural rock is by far the most common coarse aggregate used in concrete, however not all types of rock appropriate for concrete production are available everywhere. Due to a paucity of aggregate from natural sources in India's north-eastern states, brick aggregate concrete is commonly utilised for ordinary concrete. Due to advancements in concrete technology and to meet the requirements for du

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Zhang, Hai Long, and Chang Chun Pei. "Finite Element Analysis of High Strength Recycled Concrete Beam Flexural Properties." Applied Mechanics and Materials 730 (January 2015): 11–14. http://dx.doi.org/10.4028/www.scientific.net/amm.730.11.

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By ANSYS finite element analysis we study the impact-span moment and deflection of high strength recycled concrete beam in state of initial cracking and yield with different water-cement ratio and recycled coarse aggregate replacement rate. The results showed that: 1With the increase of water-cement ratio and recycled coarse aggregate replacement rate, the deflection is on the rise. 2With the increase of recycled coarse aggregate replacement rate, the yield moment has a slight upward trend. And with the increase of water-cement ratio and recycled coarse aggregate replacement rate, the span def

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Tian, Ying Liang, Wen Cai Liu, Su Ping Cui, et al. "Recycled CRT Funnel Glass as Coarse Aggregate and Fine Aggregate in the Radiation Protection Concrete." Materials Science Forum 847 (March 2016): 437–44. http://dx.doi.org/10.4028/www.scientific.net/msf.847.437.

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In recent decades, high-tech electrical equipment has drastically proliferated instead of Cathode Ray Tube (CRT), making CRT funnel glass potential hazardous solid waste. Due to a relatively high level of lead, CRT funnel glass could be used as a potential material for the production of anti-radioactive concrete. In our study the CRT funnel glass , which was separated as aggregate in the concrete, was reduced to 4.75-25 mm (coarse aggregates) and less 4.75 mm (fine aggregates) in the production of anti-radioactive concrete. Mixes containing 0%, 20%, 40% , 60%, 80% and 100% (volume percentage)

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UZOH, U.E, and E.M MBADIKE. "Effect of Sandstone on Concrete Procedure With Plastic Synthetic Aggregate." International Journal of Engineering Works (ISSN: 2409-2770) 5, no. 2 (2018): 37–39. https://doi.org/10.5281/zenodo.1185213.

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In this research work, the effect of sandstone (SS) on concrete produced with plastic synthetic aggregate (PSA) was investigated. A mix proportion of 1:1.6:3.6 with water cement ratio of 0.50 were used. The percentage replacement of coarse aggregate (CA) with plastic synthetic aggregate and plastic synthetic aggregate/sandstone used were 0%, 5%, 10%, 20%, 30% and 40%. Concrete cubes of 150mmxl50mmxl50mm of CA/PSA and CA/PSA/SS were cast and cured at 3.7,28,60 and 90 days respectively. At the ends of each hydration period, the concrete cubes were crushed and their .compressive strength was dete

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Bidos, Volodymyr, Taras Markiv, and Serhiy Solodkyy. "MECHANICAL PROPERTIES OF CEMENT CONCRETES INCORPORATING GROUND TIRE RUBBER." Theory and Building Practice 2021, no. 1 (2021): 106–12. http://dx.doi.org/10.23939/jtbp2021.01.106.

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This article proves the possibility of replacing aggregates in concrete mixtures with rubber, which is obtained by grinding used car tires. It was found that the replacement of crushed coarse aggregate in the amount of 10 vol.% with ground rubber from used car tires increases the bending strength by 23% The compressive strength does not change significantly. When working in the subcritical stage of deformation (until the macrocrack shifts), concrete with the replacement of the coarse aggregate is preferred, as the energy consumption of which for elastic deformation (We) exceeds the base concre

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Jasar NT, Mohammed, and Varsha Shaji. "Impact of Glass Powder and Recycled Coarse Aggregate as a Partial Replacement of Fine and Coarse Aggregate." International Journal of Scientific Engineering and Research 6, no. 5 (2018): 21–29. https://doi.org/10.70729/ijser172516.

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Muyen, Z., F. Mahmud, and MN Hoque. "Application of waste tyre rubber chips as coarse aggregate in concrete." Progressive Agriculture 30, no. 3 (2020): 328–34. http://dx.doi.org/10.3329/pa.v30i3.45159.

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The practicality and the engineering properties of portland cement concrete (PCC) and three types of rubberized PCC mixes prepared by partially replacing the conventional coarse aggregate with rubber were examined. The rubberized PCC mixes contained 5%, 10% and 15% waste tyre rubber chips as replacement of conventional coarse aggregate. Different physical and mechanical properties of the control (0% rubber chips) and the rubberized concrete samples were determined. A 5% replacement of conventional aggregates resulted in a 5% reduction of compressive strength, a 10% replacement resulted in a 26

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Dr., M.Veera Reddy1 N.Suresh Yadav2 A.Swathi2 A.Shashank4 &. K.Jagadeesha5. "EXPERIMENTAL STUDY ON PARTIAL REPLACEMENT OF FINE AGGREGATE (SAND) BY BOTTOM ASH IN RECYCLED AGGREGATE CONCRETE." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 6, no. 4 (2019): 63–71. https://doi.org/10.5281/zenodo.2633073.

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This paper presents the experimental investigations carried out to study the effect of use of bottom ash (the coarser material which falls into furnace bottom in modern large thermal power plants and constitute about 20% of total ash content of the coal fed in the boilers) as a partial replacement of sand in recycled aggregate concrete. The mix design was made for M35 Grade concrete. The replacement of sand with bottom ash was varied as 0%, 10%, 20%, 30%, 40% and 50%. Recycled aggregates are used instead of natural aggregates. The properties studied are compressive strength, split tensile stre

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Wang, X., C. S. Chin, and J. Xia. "Impact of the Content Variation of the Different Recycled Wastes to the Properties of Concrete Paving Block." MATEC Web of Conferences 206 (2018): 02004. http://dx.doi.org/10.1051/matecconf/201820602004.

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Recycled concrete aggregates have been widely studied and used in concrete products nowadays. However, other recycled wastes, such as glass, have not been involved too much in recycled aggregate concrete studies. This paper aims to study the impact of the content variation of the different recycled wastes to the properties of the concrete paving block. In this paper, not only recycled coarse concrete aggregates, crushed glass are also used as the recycled aggregate in the concrete paving block in different replacement levels. According to test the properties of blocks mixed with different recy

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