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Artykuły w czasopismach na temat „Residual Stone Crusher Production”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Ketut, Sulendra, and G.M. Oka. "The Impact of Landslides in Reclamation Areas from Stone Crusher Production Residue Materials in the Tsunami Event in the Sulawesi Earthquake on September 28, 2018." Engineering and Technology Journal 10, no. 05 (2025): 5126–32. https://doi.org/10.5281/zenodo.15480715.

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Sulawesi earthquake disaster followed by a tsunami on September 28, 2018 still leaves several big questions, namely the type of normal strike slip fault that rarely causes a tsunami, the very short tsunami arrival time of around 2-5 minutes and the bay area that should rarely be hit by a tsunami. Several previous studies have provided several hypotheses that the tsunami was caused by an underwater landslide or vertical deflection of the seabed due to the super shear movement. This study conducted a study of the impact of Stone Crusher factories residual production based on a field survey and s

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Geisenhoff, Luciano O., Rodrigo A. Jordan, Rodrigo C. Santos, Fabricio C. de Oliveira, and Eder P. Gomes. "Effect of different substrates in aquaponic lettuce production associated with intensive tilapia farming with water recirculation systems." Engenharia Agrícola 36, no. 2 (2016): 291–99. http://dx.doi.org/10.1590/1809-4430-eng.agric.v36n2p291-299/2016.

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ABSTRACT The integration of fish farming in intensive system and plant production, called "aquaponics" is practiced successfully in countries like the USA, Australia and Europe. In Brazil, this integration has attracted the attention of researchers and producers. In this context, the aim of this study was to evaluate the effect of two substrates (crushed stone number 3, CS III and flexible polyurethane foam, FPF) on the production of aquaponic lettuce, moreover, to show that the residual water from intensive tilapia production provides sufficient qualitative characteristics for competitive pro

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Gunka, Volodymyr, Iurii Sidun, Olha Poliak, et al. "Production of Bitumen Modified with Low-Molecular Organic Compounds from Petroleum Residues. 9. Stone Mastic Asphalt Using Formaldehyde Modified Tars." Chemistry & Chemical Technology 17, no. 4 (2023): 916–22. http://dx.doi.org/10.23939/chcht17.04.916.

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The work is devoted to a completely new binder for asphalt-concrete mixtures, in particular, crushed stone-mastic mixtures. In the role of a binder, it is proposed to use raw materials for the production of bitumen − tars modified with a forming agent (catalyst and formalin). The paper proves the advantage of using tar modified with formalin, in comparison with standard oxidized bitumens, on the example of established physical and mechanical properties of bituminous binders and crushed-mastic asphalt concrete SMA-15.

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MANIKANTA, M. RAMA, CH SRINIVAS, KARRI DHANA LAKSHMI, BOTTAABHILASH MANIKANTA, MATHAM SYAM, and GONTHIREDDY NAVEEN. "Optimizing Concrete Properties with Stone Dust and Banana Peel Admixture." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42879.

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Concrete's widespread use has intensified the demand for river sand, leading to scarcity and environmental concerns. This project investigates stone dust and brick crusher dust as sustainable fine aggregate replacements in M35 concrete. Stone dust, a byproduct of quarrying, and brick crusher dust, from construction waste, offer viable alternatives. The study aims to evaluate their impact on concrete strength and workability. Replacing river sand with stone dust (0%, 50%, 60%, 70%) demonstrated a 10% increase in compressive and tensile strength up to a 60% replacement. Additionally, brick crush

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5

Gunka, Volodymyr, Yuriy Prysiazhnyi, Yurii Hrynchuk, et al. "Production of Bitumen Modified with Low-Molecular Organic Compounds from Petroleum Residues. 3. Tar Modified with Formaldehyde." Chemistry & Chemical Technology 15, no. 4 (2021): 608–20. http://dx.doi.org/10.23939/chcht15.04.608.

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The chemical modification of tar with formaldehyde as 37% aqueous solutionhas been studied in the presence of the catalysts. Hydrochloric acid, sulfuric acid, sodium hydroxide and acid tar were used as the catalysts. The effect of the catalyst nature and amount, as well as temperature, process time and initial components ratio on the softening point, penetration, brittle point and adhesion to crushed stone has been determined. The structure of the modified tars was confirmed by IR spectroscopy. The structural-group composition was determined. Arene-formaldehyde resins have been synthesized on

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Reza, Reza, E. P. S. B. Taman Tono, and Delita Ega Andini. "Evaluasi Teknis Pengolahan Batu Granit Untuk Pencapaian Target Produksi 40.000 Ton/Bulan Pada PT Bumiwarna Agung Perkasa Di Desa Air Mesu Timur Bangka Tengah." MINERAL 4, no. 1 (2019): 31–36. http://dx.doi.org/10.33019/mineral.v4i1.1591.

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PT Bumiwarna Agung Perkasa, abbreviated as PT BWAP has a crushing plant which is divided into two units, namely primary crusher and the secondary crusher unit. Granite stone crushing plant of PT BWAP has production target 40.000 tons/month, but the production target has not been achieved, which 15.185,21 tons on June and 23.406,94 tons on July 2018, because there are production barriers which cause the available work of these two units to reduce and improve production targets, therefore to achieve production targets, evaluation of the demolition plant is needed. The method used in this study i

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Bozhyk, Denys, Mykola Sokur, and Volodymyr Biletskyi. "Determining the rational operating parameters for granite crushing to obtain cubiform crushed stone." Mining of Mineral Deposits 16, no. 3 (2022): 18–24. http://dx.doi.org/10.33271/mining16.03.018.

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Purpose. Determining the rational operating parameters for granite crushing under impact in the field of centrifugal forces to obtain cubiform crushed stone. In order to achieve the purpose set, the task is to determine the operating parameters for obtaining the main grain-size classes: -50.0 + 20.0; -40.0 + 20.0; -20.0 + 10.0; -10.0 + 5.0 and 5.0 mm. Methods. The crushing process of granite crushed stone is studied in the conditions of the Kolomoievskyi Granite Quarry, Dnipropetrovsk region. Granite crushed stone with an initial grain-size of 100.0-0.0 mm and strength grade of M1400 is subjec

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8

Setyaningrum, Dewi Tria, Ayu Anggraeni Sibarani, and Hilda Lutfiana. "Production planning and control: A case study in stone crusher company." MATEC Web of Conferences 402 (2024): 01006. http://dx.doi.org/10.1051/matecconf/202440201006.

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PT. Z is one of the companies engaged in the stone crusher business. The problem at PT Z is frequent delays in fulfilling customers order, significantly when demand increases. Based on the observations, it is known that PT Z performs production planning and control intuitively. It shows that PT Z does not yet have a production planning and control system in its production process. Solutions to overcome the problems faced by PT Z, namely by planning and controlling production, include (1) Forecasting, (2) Aggregate Planning (AP), (3) MPS, and (4) Rough Cut Capacity Planning (RCCP). The strategy

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9

Shpin, Denis. "Improvement of crushed stone – mastic asphalt laying by improving of the conditions of its transportation." Dorogi i mosti 2021 (March 25, 2021): 139–43. http://dx.doi.org/10.36100/dorogimosti2021.23.139.

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Introduction. Transport times of hot asphalt from its production facility to the road section of laying depends of the distance of the asphalt mixing plants location, also in urban conditions it depends from the intensity of traffic flows, the number of traffic jams on the way of the dump truck.Problems. At the present stage, a sharp decrease of road pavement quality and durability occurs due to an increase of the number of heavy vehicles, an increase of axle loads on the pavement and an increase in the speed limit, due to use of outdated technologies that not correspond to the existing loads

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M. Hafizh Eliansyah, Sriyanti, and Elfida Moralista. "Evaluasi Kinerja Crushing Plant di PT X Desa Cipinang, Kecamatan Rumpin, Kabupaten Bogor, Provinsi Jawa Barat." Jurnal Riset Teknik Pertambangan 1, no. 2 (2022): 132–39. http://dx.doi.org/10.29313/jrtp.v1i2.536.

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Abstract. With a total area of ± 100 Ha. The purpose of this study is to determine the obstacles that occur during production, to determine the availability and work efficiency of mechanical equipment, and to determine the production tonnage of crushing plant equipment. Processing of andesite minerals at the crushing plant unit of PT X consists of three stages, namely primary crushing using a jaw crusher (Metso C-140), secondary crushing using cone crusher 1 (CMC PCC4A) and tertiary crushing using cone crushers 2 & 3 (NH-400). Data processing activities and research results at PT X consist

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Pandu Nur Hudan, Zaenal, and Linda Pulungan. "Upaya Peningkatan Produksi Pemuatan dan Pengangkutan Andesit untuk Mencapai Target Umpan Jaw Crusher di PT Lotus SG Lestari, Desa Cipinang, Kecamatan Rumpin, Kabupaten Bogor, Provinsi Jawa Barat." Bandung Conference Series: Mining Engineering 5, no. 1 (2025): 9–16. https://doi.org/10.29313/bcsme.v5i1.16775.

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Abstract. PT Lotus SG Lestari is a private company engaged in andesite stone mining. The company is located in Cipinang Village, Rumpin District, Bogor Regency. The loading and transportation activities carried out by the company are still unable to meet the jaw crusher feed target of 500 tons / hour that has been set, so it is necessary to conduct research on increasing loading and transportation production to meet the jaw crusher feed target. In increasing the production of loading and transportation will be done with calculations based on the theory of Mechanical Earth Moving, American Asso

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12

Faisal Rio Ardiansyah, Iswandaru, and Yunus Ashari. "Optimasi Ukuran Close Side Setting (Css) Jaw Crusher untuk Meningkatkan Produksi Jaw Crusher pada Tambang Andesit Di PT Mandiri Sejahtera Sentra (MSS)." Bandung Conference Series: Mining Engineering 5, no. 1 (2025): 27–34. https://doi.org/10.29313/bcsme.v5i1.16919.

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Abstract. PT Mandiri Sejahtera Sentra (PT MSS) is a private mining company that extracts andesite rock, located in Sukamulya Village, Purwakarta Regency, West Java. The mining area covers 41. 19 Ha, and the company aimed for a production target of 470 tonnes per hour using jaw crusher equipment. However, it has not met this target, partly due to the suboptimal close side setting (CSS) of the jaw crusher. To address this, the company experimented with three variations of the CSS to find the optimal size that meets production goals without hindering the cone crusher’s operation. After optimizing

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13

Hidayatullah, Tubagus, Sriyanti, and Zaenal. "Evaluasi Kinerja Crushing Plant Batu Andesit PT Widaka Indonesia di Kelurahan Jelekong, Kecamatan Baleendah, Kabupaten Bandung, Provinsi Jawa Barat." Bandung Conference Series: Mining Engineering 2, no. 2 (2022): 432–40. http://dx.doi.org/10.29313/bcsme.v2i2.3973.

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Abstract. This research is to determine the crushing process of andesite stone, to find out what obstacles occur before and after replacing the jaw plate and setting the tool, to get the efficiency value used for evaluating the performance of the crushing plant. The tools used are jaw crusher, secondary crusher, 2 vibrating screens and 12 conveyor belts. The results of this study are the results of the calculated resistance data obtained a value in the form of work efficiency of 75.73% with an effective time of 5.68 hours/day in condition A. In condition B, the effective time was 6.23 hours/da

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14

Matusiak, Piotr, Daniel Kowol, Tomasz Suponik, et al. "Selective Crushing of Run-of-Mine as an Important Part of the Hard Coal Beneficiation Process." Energies 14, no. 11 (2021): 3167. http://dx.doi.org/10.3390/en14113167.

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To obtain commercial product of required quantitative and qualitative parameters, hard coal must be subjected to a number of processing operations. Preliminary stone removal from run-of-mine is one of them. Methods of such removal, including the method of selective crushing are described. Design solutions for a KOMAG-type device for dry stone removal of run-of-mine are presented. The results of laboratory tests for selective crushing susceptibility of steam coal and coke are presented, and a comparative analysis of the tested types of coal is made. Possibilities of increasing the production of

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15

Syahrudin, Syahrudin, Stanley Michelim, and Safarudin M. Nuh. "TECHNICAL AND PRODUCTIVITY MANAGEMENT STUDY OF CRUSHING PLANT TO ACHIEVE THE TARGET OF SPLIT STONE PRODUCTION IN ROCK MINING COMPANIES IN WEST KALIMANTAN." Jurnal Teknik Sipil 23, no. 3 (2023): 307. http://dx.doi.org/10.26418/jts.v23i3.64313.

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West Kalimantan has adequate and economically valuable rock reserves to be developed as a primary material for construction through rock-crushing activities using a rock crusher. Currently, in West Kalimantan, several mining companies produce rock, namely PT. Bukit Labu Mining and PT. Sulenco Wibawa Perkasa produces andesite, PT. Total Optima Prakarsa produces granodiorite, and PT Hasindo Mineral Persada produces granite. In general, production targets have not been achieved. This study aims to conduct technical and management studies on crushing plant productivity and the factors that cause t

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Gerber, Yuriy B., and Aleksandr V. Gavrilov. "Substantiation of the Parameters of the Production Technology for Yoghurt with the Addition of Ziziphus Fruits." Engineering Technologies and Systems 32, no. 1 (2022): 41–53. http://dx.doi.org/10.15507/2658-4123.032.202201.041-053.

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Introduction. At present, the issue of production of health-improving dairy products is topical. The aim of the research is to develop the technology of producing dairy with a disired consistency, balanced in vitamins, enriched with microelements and antioxidants and to optimize the parameters of pasteurizing and crushing pips to prevent the shell particles into the product. Materials and Methods. The object of the study is the technology of producing therapeutic milk-based product, the processes of pasteurization of milk and crushing of the ziziphus component without damaging the stones. For

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Degaev, E. N., and E. A. Korol. "Selecting Efficient Surfactants for Dust Suppression during the Production of Crushed Stone." Occupational Safety in Industry, no. 4 (April 2025): 88–93. https://doi.org/10.24000/0409-2961-2025-4-88-93.

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The dust content in the working area during the production of crushed stone remains a key problem for the prevention of occupational illnesses to which 2 % to 12 % of employees are exposed, even when a plant is equipped with modern dust suppression units. The issue of increasing the efficiency of dust suppression with wetting agents has not been addressed yet and requires a comprehensive study of properties and the search for additional factors determining their efficiency. The study aims to select efficient surfactants as wetting agents to suppress dust at a crusher plant. To determine the ke

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Meldia Fitri, Mohammad Farid, and Hermanto. "Perawatan Mesin Crusher Menggunakan Metode RCM dan MVSM di PT. Galatta Lestarindo Sijunjung." Jurnal Teknologi 13, no. 1 (2023): 52–57. http://dx.doi.org/10.35134/jitekin.v13i1.92.

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PT. Gallata Lestarindo, which is located across Sumatra, Sei Lansek, Kec. Kamang Baru, West Sumatra which is committed to providing quality and useful products, namely the manufacture of organic fertilizer from dolmite stone or limestone, PT. Gallata Lestarindo Recognized as a growing, superior and trusted World Class Company as a fertilizer supplier, with the main focus on customer satisfaction. Based on preliminary observations made at PT. Galatta Leastarindo Sijunjung. While carrying out research at PT. Galatta Leastarindo Sijunjung, the crusher machine was often damaged which resulted in d

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Schein, V. A. S., G. Conte, Marilena Valadares Folgueras, L. V. O. Dalla Valentina, and M. R. Medeiros. "Use of Ashes from Biomass Combustion as an Aggregate for Concrete." Materials Science Forum 958 (June 2019): 111–15. http://dx.doi.org/10.4028/www.scientific.net/msf.958.111.

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This paper discusses an environmentally-friendly destination for the residual ashes resulting from the firing of biomass (wood wastes) at the Engie Brasil Cogeneration Power Plant located in Lages, Santa Catarina, Brazil. The study proposes reusing the residue as a substitution for crushed stones in the production of concrete. Environmental, physical, and chemical analyses were performed for characterization of the ashes. Specimens prepared with ash and subjected to testing presented a compressive strength of around 18.63 Mpa (2700 psi), which is in compliance with the ACI-213R and ASTM C330-5

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Anuar, Kaspul, Herisiswanto Herisiswanto, and Aqsal Fahrizqa. "Study of Vibrating Screen Machine Damage in Stone Crusher and Its Effect on Production Loss in Cement Factory." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 5, no. 1 (2022): 75–84. http://dx.doi.org/10.46574/motivection.v5i1.133.

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Vibrating Screen Machine have a crucial role in producing split stone. Vibrating screen machine maintenance is taken after it is in trouble. This is a kind of unplanned maintenance, which risks causing a high quantity of machine breakdowns and will affect to the production capacity. This study analyses data trouble of the vibrating screen machine for five months. The data analysed are the type of disturbance, the amount of production losses and financial losses. The results showed that the largest repair hours due to mechanical problem occurred in the fifth month with a repair time of 75.8 hou

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Kim, Seong-Hwan, Bo-Gyu Kim, Dong-Soo Jung, Seung-Bok Choi, Jong-Mu Lee, and Kyu-Bong Lee. "Vibration Diagnosis of Sand Units in a Stone Crusher Plant: An On-Site Field Test." Applied Sciences 10, no. 12 (2020): 4327. http://dx.doi.org/10.3390/app10124327.

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Due to the shortage of natural sand from rivers and seas, artificial sand production from large stones or rocks is being increased. However, this sand manufacturing process is dangerous and causes several social problems such as a high level of unwanted vibrations or noises. This study investigates the vibration characteristics of sand and screen units in an artificial sand production plant whose operation is multiple with several actuators different exciting frequencies. As a first step, vibration levels are measured at the sand and screen unit positions using accelerometers in time and frequ

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KOKKILIGADDA, DHANMANTRI, CHENNA KESAVA RAO N., and RAGHAVA RAO E.V. "PERFORMANCE EVALUATION FOR STRENGTH OF M30 DESIGN MIX CONCRETE WITH PARTIAL RPLACEMENT OF CONVENTIONAL INGREDIENTS IN CEMENT AND FINE AGGREGATE." JournalNX - A Multidisciplinary Peer Reviewed Journal 2, no. 12 (2017): 39–45. https://doi.org/10.5281/zenodo.1466678.

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Concrete has been a major construction material for centuries. Yet concrete construction so far is mainly based on the use of virgin natural resources. Cement and aggregate, which are the majority significant component utilized in concrete creation, are the crucial resources desirable for construction industry. This inevitably led to a continuous and growing demand of natural resources utilized for their production. With this the concrete protection becomes an important issue; hence it has to be replaced with other materials. The present paper focuses on investigating characteristics of M30 co

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Sairozi, Fitra Alif, Lakon Utamakno, and Yudho Dwi Galih Cahyono. "Technical Study of Sediment Pond Maintenance Scheduling ( Sediment pond) For Guard Quality Sand Wash PT. Gunung Source Fortune." Journal of Applied Sciences, Management and Engineering Technology 3, no. 2 (2022): 71–78. http://dx.doi.org/10.31284/j.jasmet.2022.v3i2.3809.

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PT. Gunung Sumber Rejeki is a subsidiary of PT. Agung Satrya Abadi which is located at Wonosunyo Village, Kec. Gempol, Kab. Pasuruan, Province. East Java. Gravel sand mining The sale value of natural products (sirtu) can be increased by processing and refining. The feed material is brought to the stone crusher and sand washing plant with the production of stone split 1 cm – 1 cm, 1 cm – 2 cm, 5 cm – 10 cm and sand wash with a silt content of less than 5%. In 1 cycle of pond maintenance, the feed material that can be processed is 1587.15 tons with a maintenance schedule every 6 days in all pond

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Castilho, Evanizis Dias Frizzera, Maria Angelica Kramer Sant'Ana, Dullye Noleto Lima Teixeira, Maria Eduarda Delabeneta Silva, and Mônica Castoldi Borlini Gadioli. "Evaluation of the Technological Properties of Artificial Agglomerated Stones in Epoxy Resin and Castor Oil-Based Vegetable Polyurethane Matrix." Revista de Gestão Social e Ambiental 18, no. 1 (2023): e04249. http://dx.doi.org/10.24857/rgsa.v18n1-034.

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Objective: The aim of this study was to produce and evaluate the technological properties of artificial agglomerated stone slabs produced using the waste from the stone commercially known as "Preto São Gabriel," using epoxy resin and castor oil-based polyurethane. Theoretical framework: Ornamental stones are widely used in the construction sector and are of great economic importance to the country. During the production stages, a significant amount of waste is generated. The production process generates a substantial amount of waste from the extraction and processing processes that have no eco

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Smolyaninov, Andrey, Irina Pocebneva, Yuri Petukhov, and Maxim Aleksandrovskiy. "Automation of primary crushing control." BIO Web of Conferences 84 (2024): 01036. http://dx.doi.org/10.1051/bioconf/20248401036.

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The article deals with issues related to the synthesis of an automatic control system for a jaw crusher, for which the main control and disturbance channels were identified and its mathematical model was obtained. Implementation of mechanization and automation systems at crushing and screening plants is necessary for the production of granite crushed stone, which is massively used in the construction of agricultural facilities. Based on the analysis of the mathematical model, a decision was made to choose the law of regulation and its parametric identification was carried out. Analysis of the

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Artemov, Arseny O., Michael N. Ignatov, and Anna M. Ignatova. "Influence of Structural Components on Strength Properties of Silicate Stone Casting Materials during Controlled Crystallization." Solid State Phenomena 265 (September 2017): 1148–51. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.1148.

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Study and description of positive effect influence of Cr2O3 catalyst in controlled crystallization technology for production of stone casting silicate materials are provided. The introduction of heat treatment method that influences the forming of the structural components of produced material. The basis of manufacturing stone casting silicate materials is controlled crystallization of silicate melt that is organized in such a way that nucleation occurs within the melt and the final product has a fine grain structure. The structural components of silicate stone casting materials and their infl

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Морохин, Д. В. "Программная система управления работой камнедробильной установки". Vestnik of Volga State University of Technology. Series Radio Engineering and Infocommunication Systems, № 3(55) (27 грудня 2022): 47–57. https://doi.org/10.25686/2306-2819.2022.3.47.

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В статье представлено описание разработанной системы управления камнедробильной установкой, построенной на основе объектно ориентированного подхода. Предложен оригинальный способ конфигурирования подобных систем, отличающийся от известных большими возможностями по изменению структуры и состава установки, а также устраняющий основные недостатки существующих решений. Ключевые слова: система управления; камнедробильная установка; программируемый логический контроллер; Codesys Introduction. Stone crushing units or plants are widely used tools for road construction. The issues of automating the ope

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Chorfi, Sofiane, Fedaoui Kamel, and Necib Brahim. "Experimental and numerical inspection of cracks in ferrule cracking of BK1 cement crusher." Frattura ed Integrità Strutturale 17, no. 65 (2023): 47–58. http://dx.doi.org/10.3221/igf-esis.65.04.

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This article defines the main actions planned in the procedure of non-destructive testing and analysis of defects in the BK1 industrial mill of the cement plant of the GICA group. One of the subjects attracting the attention of researchers and engineers was the propagation of cracks in the shell of the BK1 mill, which behaves like perforated plates. This inspection technique makes it possible to position and size defects (cracks) in the plates. The objective of this work is the detection of cracks in the shell of the BK1 cement mill. In order to avoid bursting of the crusher, the preventive te

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Дородов, П. В., В. А. Петров, and Л. А. Торопов. "REGRESSION MODEL OF WEAR OF THE WORKING SURFACE OF BLADES OF THE DKR SERIES GRAIN CRUSHER DRUM." Bulletin of Izhevsk State Agricultural Academy, no. 3(79) (September 27, 2024): 106–13. http://dx.doi.org/10.48012/1817-5457_2024_3_106-113.

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Развитие сельскохозяйственного производства в России связано с отраслью животноводства как молочного направления, так и мясного. Сегодня в России все большую долю рынка занимают хозяйства и крупные предприятия АПК, заинтересованные в новых технологиях, эффективных технических средствах, способных повысить рентабельность производства сельскохозяйственной продукции. Одно из перспективных направлений – это снижение издержек при производстве кормов, так как они в структуре себестоимости производства мяса, молока и других продуктов животноводства составляют более 60 %. Большая доля продуктивности к

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Radomskyi, Ivan, Yevhenii Levinzon, Pavlo Nechytailo, and Oleksandr Nechytailo. "Materials of the Western Trypillia Culture From the Settlements of Kamianets-Podilskyi, Tatarysky And Kubachivka." Arheologia, no. 4 (December 10, 2021): 82–94. http://dx.doi.org/10.15407/arheologia2021.04.082.

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This paper presents the results of archaeological surveys at the Western Trypillia culture sites of Kamianets-Podilskyi, Tatarysky and Kubachivka in the 1990s and the 2000s. The article considers the history of research at these settlements from their discovery (in 1926 and 1947 respectively) until the present. The authors have specifically focused upon threats faced by the Kubachivka site, which keeps being destroyed by the eponymous quarry situated nearby. The study analyzes ceramics and flint and stone tools from the settlements. Ceramics from the Kamianets-Podilskyi, Tatarysky (3950—3900 В

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Bellot, Marina, Anna Teixidó, Antoni Torrell, Neus Aletà, and Cristian Gómez-Canela. "Residues of Deltamethrin in Pine Needles and Pine Nuts of Catalonia (Spain)." Molecules 28, no. 24 (2023): 8050. http://dx.doi.org/10.3390/molecules28248050.

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In recent years, recurrent droughts have weakened stone pine (Pinus pinea) forests and facilitated the emergence of harmful pests and diseases, including the Leptoglossus occidentalis. The production of stone pine nuts has declined over the past five years. To control this hemipteran pest, a synthetic pyrethroid insecticide called deltamethrin is being tested. However, it is necessary to estimate the residue left by these treatments in forest stands. Therefore, a fast and robust analytical procedure was developed based on QuEChERS clean-up extraction, followed by gas chromatography coupled wit

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Demarco, Anibal, and Véronique Gibon. "Overview of the soybean process in the crushing industry." OCL 27 (2020): 60. http://dx.doi.org/10.1051/ocl/2020047.

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A minimal residual oil content in the meal coming out of the hexane extractor is a clear benefit for a crushing plant; the more oil yield the better revenue for the crusher. In a modern and efficient extraction plant, a residual oil content ≤ 0.5% for soybean meal is expected. The first step for an efficient solvent extraction is a good preparation process; its optimization makes it possible to shape the seeds for effective leaching and washing of the oil. Preparation also goes through an optimized dehulling (warm or hot dehulling) allowing, in an economical way, to maximize the protein conten

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Pocius, Edvinas, Džigita Nagrockienė, and Ina Pundienė. "The Influence of Concrete Sludge from Residual Concrete on Fresh and Hardened Cement Paste Properties." Materials 16, no. 6 (2023): 2531. http://dx.doi.org/10.3390/ma16062531.

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In the concrete manufacturing industry, a large amount of waste is generated. Such waste can be utilised in the production of more sustainable products with a low carbon footprint. In this study, concrete sludge, a difficult-to-utilise waste that is obtained from residual concrete by washing a concrete truck, was investigated. During washing, aggregates from the concrete mixture are separated, and the remaining insoluble fine particles combine with water to form concrete sludge. Dried and wet concrete sludge were used in the tests. Samples with different compositions were produced with dried a

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C., V. Saranya, and Tajy Shilpa. "EXPERIMENTAL INVESTIGATION ON STRENGTHENING INTERLOCKING HOLLOW BLOCK WITH POLYESTER STRAP WASTE." International Journal of Engineering Research and Modern Education Special Issue, April 2017 (2017): 51–54. https://doi.org/10.5281/zenodo.570107.

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Production of blocks used for wall construction have different techniques adopted which could be in form of hollow or solid blocks produced in varying shapes laid with mortar. An improved form of mortar-less blocks which is an innovative structural component for masonry building construction called interlocking block .This brings about economical production, reduced cost of labour and appreciation of available local materials for construction of structures for both rural and urban development in the world today, thereby eliminating the use of mortar in laying of blocks. The blocks are neatly f

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Shodiev, Tursun, and QiJu Zhu. "Contribution Analysis of ICT (New Generation Network) Investment for Agriculture In Uzbekistan." International Journal Of Innovation And Economic Development 1, no. 1 (2015): 47–58. http://dx.doi.org/10.18775/ijied.1849-7551-7020.2015.11.2005.

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The new generation network and technology is changing the world day by day, so does in area of Agriculture. Agriculture is the basic stone of economic development in the transition countries. In the past decade, Information communication Technology is enriching people’s communication, which is the important criteria of knowledge society. In developed countries, ICT for agriculture is quite important. According to last research findings the technology contribution for Agriculture in developed countries is around 70 per cent. In developing countries such kind of research is not provided. The art

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Novruzova, Sudaba, Inglab Aliyev, and Fariz Ahmad. "Analysis and selection of slurry composition, resistant to dynamic loads, in order to improve the quality of fastening the near wellbore zone in unstable formations." EUREKA: Physics and Engineering, no. 6 (November 28, 2024): 63–69. http://dx.doi.org/10.21303/2461-4262.2024.003338.

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The practice of cementing the bottomhole zone of wells in unstable formations shows that cement stone, designed to ensure rock stability, is the weakest link and can easily be destroyed under the influence of various loads. Such loads include perforation of the production string, hydraulic fracturing and other technological operations. The main factor contributing to the destruction of cement stone under dynamic loading is its low deformation properties. Repeated or cyclic loads cause fatigue phenomena in cement stone and lead to the formation and development of fractures in it. However, curre

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Gimaltdinov, Il'dus, Bulat Ziganshin, Ilgiz Galiev, Andrey Dmitriev, Al'bert Muhametshin, and Aleksandr Gricenko. "PREVENTIVE MAINTENANCE STRATEGY FOR CRUSHING EQUIPMENT." Vestnik of Kazan State Agrarian University 15, no. 3 (2020): 71–76. http://dx.doi.org/10.12737/2073-0462-2020-71-76.

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The research was carried out in order to develop a mathematical model and a diagnostic complex to determine the residual life of the rotor bearings of hammer crushers. Residual life information is essential for proactive maintenance and to prevent equipment crashes. To achieve this goal, Kazan State Agrarian University (Republic of Tatarstan) carried out calibration studies of the dependence of the diagnostic parameters of vibration on the value of the radial clearances of the bearings. 3610 bearings with different radial clearances (0.02 mm, 0.08 mm, 0.13 mm, 0.2 mm, 0.27 mm) were alternately

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Nugroho, T., M. A. Salsabila, M. L. D. Wardani, and G. Otivriyanti. "Utilization of andesite stone waste and fly ash as geopolymer pavement block materials." IOP Conference Series: Earth and Environmental Science 1267, no. 1 (2023): 012027. http://dx.doi.org/10.1088/1755-1315/1267/1/012027.

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Abstract Utilization of andesite stone and fly ash waste to be used as pavement block products has been carried out. The aim of this research is to utilize the residual waste of andesite stone and fly ash handicraft production as environmental building material products. The stages of this research included experimental design, material analysis using the XRF and XRD methods, testing prototypes and making pavement block prototypes. The experimental design used for the most optimal pavement block composition was the ratio of aggregate to binder of 65:35 with 14M NaOH. The water absorption test

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Ilari, Alessio, Ester Foppa Pedretti, Carmine De Francesco, and Daniele Duca. "Pellet Production from Residual Biomass of Greenery Maintenance in a Small-Scale Company to Improve Sustainability." Resources 10, no. 12 (2021): 122. http://dx.doi.org/10.3390/resources10120122.

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Replacing fossil energy sources with renewable energy sources is a key strategic action to limit environmental issues. To achieve this goal, substitution with biomass is beneficial due to its versatility in various fields. In terms of circular economy and sustainability, the possibility of energy exploitation of residual biomass is particularly desirable in small-medium enterprises. The use of supply chain by-products can improve sustainability and create opportunities for companies. The purpose of this study is to evaluate the suitability of residual biomass of conifers and broad-leaved trees

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Abdullah, Nurafiqah, and Nurul Hasan. "The implementation of Water Alternating (WAG) injection to obtain optimum recovery in Cornea Field, Australia." Journal of Petroleum Exploration and Production Technology 11, no. 3 (2021): 1475–85. http://dx.doi.org/10.1007/s13202-021-01103-7.

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AbstractThe Water Alternating Gas (WAG) process is a cyclic process of injecting alternating water followed by gas. The main purpose of WAG injection is to improve both macroscopic and microscopic sweep efficiency, maintaining nearly initial high pressure, slow down the gas breakthrough and reduced oil viscosity. WAG injection also decreases the residual oil saturation resulted from the flow of three phases and effects associated with relative permeability hysteresis. The study area is in the Cornea Field located in Browse Basin, Western Australia. This study is conducted because there is no i

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Crisman, Bruno, Giulio Ossich, Paolo Bevilacqua, and Roberto Roberti. "Degradation Prediction Model for Friction of Road Pavements with Natural Aggregates and Steel Slags." Applied Sciences 10, no. 1 (2019): 32. http://dx.doi.org/10.3390/app10010032.

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Steel production wastes (steel slags) are used more often in asphalt concrete pavements as a valuable replacement for natural aggregates, which are becoming increasingly rare. In this paper authors investigate the polishing characteristics of aggregates, and in particular of steel slags, used in bituminous road surfacing, are a major factor in determining the resistance to skidding. The main purpose of the study is the identification of a suitable degradation model, based on friction indicators, in the laboratory, as well as the comparison of in-situ pavement skid resistance with the cumulativ

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Emelianenko, A. V., K. A. Dunets, and V. Yu Startsev. "Medical and economic justification of the use of micropercutaneous nephrolithotripsy in clinical practice." Experimental and Сlinical Urology 14, no. 3 (2021): 10–17. http://dx.doi.org/10.29188/2222-8543-2021-14-3-10-17.

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Introduction. Percutaneous nephrolithotripsy (PNL) is traditionally used in the surgical treatment of patients with kidney stones. The use of retrograde intrarenal surgery using a flexible endoscope (RIRS) and micropercutaneous nephrolithotripsy (micro PNL) in the treatment of kidney stones with a diameter of 10-15 mm allows minimizin renal bleeding and reducing the period of hospitalization of the patient. Despite the development of urolithiasis treatment methods, the results of a comparative study of the medical and economic aspects of various surgical options for kidney stones treatment wer

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ALMOHAMAD, А. М., R. А. KEMALOV, and A. F. KEMALOV. "CATALYTIC REFINING OF HEAVY OIL RESIDUES FOR THE PRODUCTION OF NON-OXIDIZED BITUMEN FOR ROAD USE." Herald of Technological University 27, no. 5 (2024): 10–14. http://dx.doi.org/10.55421/1998-7072_2024_27_5_10.

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This article discusses technologies for the production of non-oxidized bitumen for road use from heavy petroleum residual raw materials by catalytic refining, which concludes that a number of components are added to the heavy petroleum residue, forming a catalytic complex, with the addition of which the resulting bitumen has a number of significantly improved physicochemical properties, compared with traditionally produced oxidized bitumen. Within the framework of this study, the synthesis of multifunctional catalytic complexes (CC) with high structure-forming, plasticizing and, last but not l

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Goren-Inbar, Naama, Anna Belfer-Cohen, Leore Grosman, Gadi Herzlinger, and Aviad Agam. "Kaizer Hill (Modi‘in), a pre-pottery neolithic a quarry site – the terraced slopes." PLOS ONE 17, no. 3 (2022): e0265727. http://dx.doi.org/10.1371/journal.pone.0265727.

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The research of the Kaizer Hill site (the Hilltop and its Terraces), recognized as a Pre Pottery Neolithic A (PPNA) quarry site, involved studies of the rock damage associated with the quarrying activities as well as of the recovered material remains, mostly chipped stone artifacts. We present here the results of our on-site explorations (excavations, surveys and surface-collections), focusing on the findings deriving from the Terraces. Diverse rock damage patterns were identified and described, portraying systematic rock mass-exploitation through quarrying fronts, natural rock joints and fiss

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Perea-Moreno, Miguel-Angel, Quetzalcoatl Hernandez-Escobedo, Fernando Rueda-Martinez, and Alberto-Jesus Perea-Moreno. "Zapote Seed (Pouteria mammosa L.) Valorization for Thermal Energy Generation in Tropical Climates." Sustainability 12, no. 10 (2020): 4284. http://dx.doi.org/10.3390/su12104284.

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According to the Law for the Use of Renewable Energies and the Financing of Energy Transition, Mexico’s goal for 2024 is to generate 35% of its energy from non-fossil sources. Each year, up to 2630 tons of residual biomass from the zapote industry are dismissed without sustainable use. The main purposes of this study were to determine the elemental chemical analysis of the zapote seed and its energy parameters to further evaluate its suitability as a solid biofuel in boilers for the generation of thermal energy in a tropical climate. Additionally, energy, economic, and environmental assessment

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Orfanova, M. M. "The Prospects of Using the Mechanical Activation Method in the Technological Processes of Oil and Gas Production." Prospecting and Development of Oil and Gas Fields, no. 3(72) (September 30, 2019): 76–82. http://dx.doi.org/10.31471/1993-9973-2019-3(72)-76-82.

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The need to improve the technological processes of raw fuel resources processing, to search for new technologies and to involve oil and gas waste production wastes as anthropogenic resources becomes urgent. The main directions of using the effects of the mechanical activation of substances in the technological processes of oil and gas production are analyzed. A brief description of the method of mechanical activation is provided. The prospect of using the method of mechanical activation to solve the problem of waste disposal is shown. The author analyzes the main directions of mechanical activ

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San Vicente-Navarro, Alejandro, Manuel Mendívil-Giro, Jorge Los Santos-Ortega, Esteban Fraile-García, and Javier Ferreiro-Cabello. "Alternative Use of the Waste from Ground Olive Stones in Doping Mortar Bricks for Sustainable Façades." Buildings 13, no. 12 (2023): 2992. http://dx.doi.org/10.3390/buildings13122992.

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The aim of achieving sustainability in construction is a reality. A useful strategy to achieve this is the use of waste from agricultural activities. This waste could reduce the environmental impacts associated with the production of raw materials such as natural aggregate, reducing energy consumption from fossil fuels and therefore CO2 emissions. This study examines the thermal conductivity of mortars doped with ground olive stones, a residual by-product of industrial processes. The objective is to evaluate the potential of ground olive stones to improve thermal insulation in construction. Gr

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Choudhury, Atun Roy. "Techno-commercial Assessment of Concurrent Municipal Brown Field Reclamation Procedures: A Pivotal Case study of Jawahar Nagar Dump Site." Journal of Toxicology and Environmental Sciences 1, no. 1 (2021): 23–33. http://dx.doi.org/10.55124/jtes.v1i1.35.

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The quantity of municipal solid waste (MSW) generation is escalating at an alarming rate with every passing year alongside the modernization of our economy. Unfortunately, the majority of this waste remains uncollected or ends up in open dumping and followed by uncontrolled burning. Citing the deep-rooted consequences, open dumping should be absolutely abandoned and scientific interventions should be aggressively exercised to reclaim the municipal brownfields. The present research work undertook the judicial task of assessing the comparative feasibility of biomining and scientific capping as a

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Sulendra, Ketut, and Oka G.M. "The Impact of Landslides in Reclamation Areas from Stone Crusher Production Residue Materials in the Tsunami Event in the Sulawesi Earthquake on September 28, 2018." Engineering and Technology Journal 10, no. 05 (2025). https://doi.org/10.47191/etj/v10i05.41.

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Sulawesi earthquake disaster followed by a tsunami on September 28, 2018 still leaves several big questions, namely the type of normal strike slip fault that rarely causes a tsunami, the very short tsunami arrival time of around 2-5 minutes and the bay area that should rarely be hit by a tsunami. Several previous studies have provided several hypotheses that the tsunami was caused by an underwater landslide or vertical deflection of the seabed due to the super shear movement. This study conducted a study of the impact of Stone Crusher factories residual production based on a field survey and s

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Meng, Kun, Mingchen Zhong, Weibin Jing, Xianhu Hu, Zhenguo Lu, and Wei Lu. "Study on the Concrete Pavement Performance of Crushed Stone Base Prepared with High Proportion of Recycled Construction Waste Aggregate." Engineering Research Express, June 4, 2025. https://doi.org/10.1088/2631-8695/ade119.

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Abstract Based on the production process of recycled aggregate, in order to realize the green cycle of construction waste, a new mix proportion of road base material made of recycled aggregate in high proportion is proposed. Through various indoor tests, the performance of raw materials and multiple groups of mixtures is analyzed, and the paving verification of the test section is carried out. The results show that the optimal mix ratio is lime: fly ash: recycled aggregate = 8:17:75; The 1d strength meets the 7d strength requirement in the specification, and the 7d strength reaches 2.8 MPa; Af

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