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Academic literature on the topic 'Production of concrete blocks'

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Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Production of concrete blocks"

Afonso, Mayara, Reginaldo Ferreira, Lubienska Cristina L. J. Ribeiro, Rosa Cristina Cecche Lintz, Luísa Andréia Gachet-Barbosa, and Marta Siviero Guilherme Pires. "Building Blocks Production with Sludge." Applied Mechanics and Materials 368-370 (August 2013): 860–63. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.860.

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The conventional water treatment generates a residue - sludge - which must be properly disposed. There are many ways residue disposal, with for example, landfilling, incineration and reuse of sludge in construction. A advantage of the use of sludge in construction is the decreased consumption of cement and aggregates reduction of environmental impact, considering that the extraction of materials such as sand and gravel. Several studies have been developed using sludge in exchange for raw materials used in proportions that do not alter the properties of concrete. This study evaluates the incorporation of sludge in concrete used to manufacture concrete blocks. Were studied three compositions for the manufacture of concrete blocks such as: Trace 1 (reference),dash 2: by replacing 10% of the mass of cement by the dry sludge and dash 3: by replacing 20% of the mass of cement by the dry sludge. The results indicate that for traces 1, 2 and 3, the blocks are classified with a structural function, for use in masonry elements above ground level, according to the Brazilian standard.

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da Silva, Fabiane Leocádia, Fernando Gabriel da Silva Araújo, Camila Gonçalves Castro, and Fernando Leopoldo von Krüger. "Results of the Leaching, Water Absorption and Mold Release for Concrete Blocks with the Addition of the Concentration Tailings of Iron Ore." Materials Science Forum 820 (June 2015): 549–52. http://dx.doi.org/10.4028/www.scientific.net/msf.820.549.

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Tailings from the concentration of iron ore can be substituted in part for the production of concrete blocks due to the ability of encapsulation or enveloping the concrete. Many tests were conducted to recycle Concentration Tailings of Iron Ore for the Production of Concrete Block, replacing the silica sand. The Concentration Tailings of Iron Ore showed to be viable materials for the replacement of coarse and fine aggregate concrete blocks (pavers), with regard to mechanical strength after 28 days cure. Specifically, the simple substitution of hail for coarse tailings concentration of iron ore has the potential to increase the compression resistance of the concrete blocks. It was also verified that the addition of fine tailings with magnetic concentration may complicate demolding.The water absorption of the concrete block was obtained in accordance with the standards, and some blocks were within the required standards. And through the leaching test was observed that the addition of the tailings concrete blocks poses no risk to the environment when exposed to weather.

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Nasser, I. F., W. I. Khalil, and WA Abbas. "Production of Lightweight Geometries Geopolymer Concrete Blocks." IOP Conference Series: Materials Science and Engineering 745 (March 21, 2020): 012139. http://dx.doi.org/10.1088/1757-899x/745/1/012139.

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Petrillo, Antonella, Raffaele Cioffi, Claudio Ferone, Francesco Colangelo, and Claudia Borrelli. "Eco-sustainable Geopolymer Concrete Blocks Production Process." Agriculture and Agricultural Science Procedia 8 (2016): 408–18. http://dx.doi.org/10.1016/j.aaspro.2016.02.037.

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Pirogov, Yu A., L. A. Babkina, L. N. Nikulina, V. I. Neelova, E. I. Bulatnikov, and V. N. Devyatko. "Corundum concrete for production of burner blocks." Refractories 30, no. 7-8 (July 1989): 445–47. http://dx.doi.org/10.1007/bf01280674.

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Hunyak, Oleksii, Khrystyna Sobol, Taras Markiv, and Volodymyr Bidos. "The effect of natural pozzolans on properties of vibropressed interlocking concrete blocks in different curing conditions." Production Engineering Archives 22, no. 22 (March 1, 2019): 3–6. http://dx.doi.org/10.30657/pea.2019.22.01.

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Abstract Concrete block pavements have become an attractive engineering and economical alternative to both flexible and rigid pavements because of it’s high strength and durability. The influence of pozzolanic mineral additions – natural zeolite and expanded perlite powder on the properties of concrete interlocking blocks in different curing conditions has been studied. The use of zeolite as a substitute for cement in the production of concrete blocks increased the water demand but decreased the water absorption of the blocks. Obtained results show, that concrete blocks with 10% substitution of cement with zeolitic tuff is characterized by higher strength, lower mass loss and absence of efflorescence.

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Silva Junior, Vasni Oliveira da, Victor Mateus Pavão, André Camacho Pontremolez, Bruno de Medeiros Costa, Gerson Cendes Saragosa, and Paulo Sérgio Bardella. "Estudo da produção de pavers para pisos intertravados utilizando resíduos de blocos de concreto." Semina: Ciências Exatas e Tecnológicas 42, no. 1 (April 7, 2021): 21. http://dx.doi.org/10.5433/1679-0375.2021v42n1p21.

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This work presents part of a study whose main objective is to observe the behavior of the physical and mechanical properties of the materials (raw material) and of products made for the civil construction from the precast concrete industry, such as concrete blocks and pavers for interlocking floors. Through the investigation, was identified the potential of using the concrete blocks waste of the production as aggregates added to the concretes utilized to produce pavers. Thus, it is expected that this work contributes as a basis for obtaining scientific and technical knowledge regarding the materials and procedures that must be adopted for the manufacture of pavers, allowing their production for commercialization.

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Tataranni, Piergiorgio. "Recycled Waste Powders for Alkali-Activated Paving Blocks for Urban Pavements: A Full Laboratory Characterization." Infrastructures 4, no. 4 (November 22, 2019): 73. http://dx.doi.org/10.3390/infrastructures4040073.

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Paving blocks are today a popular paving solution for urban surfaces. Considering the wide variety of products currently on the market, it is possible to build pavements that differ in terms of functionality, bearing capacity, skid resistance, visual impact, and aesthetic integration with the surrounding landscape. Interlocking concrete paving block is the most common construction technology considering its low cost and its easy installation. Different wastes and second-hand materials have recently been tested in order to completely or partially replace the raw materials used for the production of paving blocks. In this paper, a waste basalt powder is used for the production of alternative paving blocks through the alkali-activation process. Two different synthetic blocks were produced, with and without aggregates. Taking into account the EN 1338 standard for concrete paving blocks, a complete laboratory characterization is proposed for the two experimental blocks. Tests highlighted positive results and downsides that need to be optimized in order to convert the laboratory production to an industrial scale.

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Girskas, Giedrius, Džigita Nagrockienė, and Gintautas Skripkiūnas. "The effect of synthetic zeolite admixture on the durability of concrete paving blocks." Baltic Journal of Road and Bridge Engineering 11, no. 3 (September 30, 2016): 215–21. http://dx.doi.org/10.3846/bjrbe.2016.25.

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Concrete paving blocks that were started to be used in the last century have become very popular. They became an alternative to the natural stone. Concrete paving blocks are used for the paving of pedestrian and vehicle zones. Durability is one of the main characteristics in the production of high-quality concrete paving blocks in the Baltic region climate zone. The article describes tests with concrete paving blocks, the top layer of which contains 5% of synthetic zeolite admixture obtained by means of low temperature synthesis in laboratory conditions. This zeolite admixture is obtained from aluminium fluoride production waste. The durability of concrete paving blocks was tested according to abrasion resistance, tensile splitting strength, absorption and frost resistance. The test results revealed that 5% of zeolite admixture added to the top layer of concrete paving blocks reduce the absorption, increase the tensile splitting strength by more than 10%, and decrease abrasion by 6.5%. The zeolite admixture used in concrete paving blocks reduces the scaling about 4 times after 28 freeze-thaw cycles when 3% NaCl is used as the freezing solution. The tests revealed that synthetic zeolite admixture can be used in concrete elements production by means of vibropressing (pavement elements) to increase their durability.

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Girskas, Giedrius. "Zeolite Influence of Vibropressing Concrete Durability." Materials Science Forum 908 (October 2017): 71–75. http://dx.doi.org/10.4028/www.scientific.net/msf.908.71.

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Durability is one of the main characteristics in the production of high-quality concrete paving blocks in the Baltic region climate zone. Concrete paving blocks are produced by means of vi bropressing , dimensions: 198×98×80 mm . The article describes tests with concrete paving blocks, the top layer of which contains 5% of zeolite admixture obtained from waste of aluminum fluoride production by low-temperature synthesis. The durability of concrete paving blocks was tested according to abrasion resistance, tensile splitting strength, absorption and frost resistance. The test results revealed that 5% of zeolite admixture added to the top layer of concrete paving blocks reduce the absorption, increase the tensile splitting strength and decrease abrasion. The zeolite admixture used in concrete paving blocks reduces the scaling about 4 times after 28 freeze-thaw cycles when 3% NaCl is used as the freezing solution. The test results proved that synthetic zeolite obtained from aluminum fluoride by means of low temperature synthesis can be used as a supplementary cementitious material to increase the durability of concrete pavement elements.

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Dissertations / Theses on the topic "Production of concrete blocks"

Felipe, Alexsandro dos Santos [UNESP]. "Contribuição para a otimização de traços de concreto utilizados na produção de blocos estruturais." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/91466.

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Made available in DSpace on 2014-06-11T19:25:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-01Bitstream added on 2014-06-13T20:53:08Z : No. of bitstreams: 1 felipe_as_me_ilha.pdf: 2392820 bytes, checksum: 9c6e04fef232018e3760dee715984441 (MD5)
Universidade Estadual Paulista (UNESP)
Diante do grande crescimento da alvenaria estrutural no país, muitas fábricas de blocos de concreto vieram por necessidade, buscar por otimizações do seu processo produtivo, visto que, projetos mais arrojados, acabam exigindo maiores controles de qualidade. A proposta deste estudo é melhorar a produção destes artefatos de concreto por meio de otimizações simples que reduzem o custo e garantem uma produção eficiente na fábrica. Estudar a fundo os vários parâmetros de formação de um traço de concreto seco, tais como coesão, textura, energias de adensamento e resistência à compressão axial, todos os fenômenos dependentes entre si, torna-se muito complexo se avaliado em um único trabalho. No entanto, propor um estudo que colete informações apresentadas por vários autores, facilita na otimização e criação de uma pesquisa que possa contribuir na dosagem para concretos secos, em especial, na fabricação de blocos estruturais. Neste estudo, adaptaram-se para laboratório alguns equipamentos de uso comum para confecção destes artefatos de concreto, possibilitando a correlação direta de corpos de prova cilíndricos com os blocos. Uma das adaptações é o estudo baseado na padronização da energia de compactação, proporcionada pelo equipamento para ensaios de mini-proctor, simulando assim, a máquina vibro-prensa. Outras correlações como coesão e resistência à compressão, também foram possíveis de obter no laboratório, reduzindo então, as interferências constantes no processo produtivo da fábrica, ocasião verificada em vários outros estudos. Diante do exposto, foi possível avaliar com boa segurança os resultados. O estudo foi desenvolvido em três etapas, sempre buscando a maior massa específica seca compactada da mistura de agregados, inicialmente na primeira etapa, foi utilizado somente dois agregados (areia fina e pedrisco), conforme...
Given the substantial growth of structural masonry in Brazil, many concrete block companies have seen the need to optimize their production process, since more challenging projects require greater quality control. This study proposes to improve the production of concrete artifacts by means of simple optimizations that reduce costs and ensure the company’s efficient production. Studying in depth the various parameters of the formation of dry concrete trace, such as cohesion, texture, density energy and axial compressive strength, all the particularities interdependent on one another become very complex when assessed in a single study. However, proposing a study that collects the information submitted by various authors, expedites optimizing and creating a research study which may assist in improving the dosage for dried concrete, particularly in the manufacture of structural blocks. In this study, some commonly used manufacturing equipment, such as concrete artifacts, were laboratory-adapted, enabling a direct correlation of the cylindrical specimens with the blocks. One of the adjustments is the study based on the standardization of compaction energy, provided by the mini-proctor testing equipment, thus simulating the vibro press machine. Other correlations such as cohesion and compressive strength were also obtained in the laboratory, therefore reducing the constant interferences in the plant’s production process, observed in many other studies. In this manner, it was possible to reliably assess the results. The study was conducted in three stages, always seeking the highest compressed dry specific mass of the mixture of aggregates. In the first stage, only two aggregates were used (fine sand and pebbles), commonly used at the plant. The second stage included adding the coarse sand and stone powder to correct the lack of resistance promoted by the high amount of fine sand from... (Complete abstract click electronic access below)

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Pinto, Bruno Henrique. "Execução de blocos para alvenaria estrutural utilizando concreto fluido." Ilha Solteira, 2018. http://hdl.handle.net/11449/154404.

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Orientador: Maria da Consolação Fonseca Albuquerque
Resumo: As complicações ocasionadas pelas irregularidades presentes na face de assentamento dos blocos de alvenaria estrutural, provenientes de procedimentos correntes de fabricação, possibilita um campo de estudo para otimização na melhoria dessas irregularidades. Para tanto, este trabalho tem por finalidade propor uma alternativa de fabricação dos blocos de alvenaria estrutural através do uso e aplicação de concreto fluido com os traços 1:3, 1:5 e 1:7, cujas resistências à compressão deles e dos prismas, atendam às exigências das normas NBR 15961-1 e NBR 15961-2. Assim, além de moldados e confeccionados os blocos e os prismas, neste trabalho são apresentados ensaios de ambos, bem como os ensaios das argamassas de assentamento mista e polimérica. Em alguns destes ensaios utilizaram-se LVDTs e Strain-Gages, com objetivo de verificar os seus deslocamentos e suas deformações, e consequentemente as tensões atuantes, nos blocos e nos prismas.
Abstract: Complications arising from imperfections on the bonded surface of structural masonry blocks, from current manufacturing procedures, makes it a field of study for optimization in the improvement of these irregularities. To this end, this paper aims to propose an alternative to the manufacture of structural masonry block through the use and application of fluid concrete with mixture 1:3, 1:5 and 1:7, whose resistance to compression them and prisms, meet the requirements established by the Brazilian technical standards NBR 15961-1 and NBR 15961-2. Thus, this work describes tests performed on blocks and prisms. The prisms were tested with mixed and polymeric block-laying mortars. In some of these tests using LVDTs and Strain Gages to check their displacements and their deformations, and consequently tensions, in the blocks and prisms.
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Felipe, Alexsandro dos Santos. "Contribuição para a otimização de traços de concreto utilizados na produção de blocos estruturais /." Ilha Solteira : [s.n.], 2010. http://hdl.handle.net/11449/91466.

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Resumo: Diante do grande crescimento da alvenaria estrutural no país, muitas fábricas de blocos de concreto vieram por necessidade, buscar por otimizações do seu processo produtivo, visto que, projetos mais arrojados, acabam exigindo maiores controles de qualidade. A proposta deste estudo é melhorar a produção destes artefatos de concreto por meio de otimizações simples que reduzem o custo e garantem uma produção eficiente na fábrica. Estudar a fundo os vários parâmetros de formação de um traço de concreto seco, tais como coesão, textura, energias de adensamento e resistência à compressão axial, todos os fenômenos dependentes entre si, torna-se muito complexo se avaliado em um único trabalho. No entanto, propor um estudo que colete informações apresentadas por vários autores, facilita na otimização e criação de uma pesquisa que possa contribuir na dosagem para concretos secos, em especial, na fabricação de blocos estruturais. Neste estudo, adaptaram-se para laboratório alguns equipamentos de uso comum para confecção destes artefatos de concreto, possibilitando a correlação direta de corpos de prova cilíndricos com os blocos. Uma das adaptações é o estudo baseado na padronização da energia de compactação, proporcionada pelo equipamento para ensaios de mini-proctor, simulando assim, a máquina vibro-prensa. Outras correlações como coesão e resistência à compressão, também foram possíveis de obter no laboratório, reduzindo então, as interferências constantes no processo produtivo da fábrica, ocasião verificada em vários outros estudos. Diante do exposto, foi possível avaliar com boa segurança os resultados. O estudo foi desenvolvido em três etapas, sempre buscando a maior massa específica seca compactada da mistura de agregados, inicialmente na primeira etapa, foi utilizado somente dois agregados (areia fina e pedrisco), conforme... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Given the substantial growth of structural masonry in Brazil, many concrete block companies have seen the need to optimize their production process, since more challenging projects require greater quality control. This study proposes to improve the production of concrete artifacts by means of simple optimizations that reduce costs and ensure the company's efficient production. Studying in depth the various parameters of the formation of dry concrete trace, such as cohesion, texture, density energy and axial compressive strength, all the particularities interdependent on one another become very complex when assessed in a single study. However, proposing a study that collects the information submitted by various authors, expedites optimizing and creating a research study which may assist in improving the dosage for dried concrete, particularly in the manufacture of structural blocks. In this study, some commonly used manufacturing equipment, such as concrete artifacts, were laboratory-adapted, enabling a direct correlation of the cylindrical specimens with the blocks. One of the adjustments is the study based on the standardization of compaction energy, provided by the mini-proctor testing equipment, thus simulating the vibro press machine. Other correlations such as cohesion and compressive strength were also obtained in the laboratory, therefore reducing the constant interferences in the plant's production process, observed in many other studies. In this manner, it was possible to reliably assess the results. The study was conducted in three stages, always seeking the highest compressed dry specific mass of the mixture of aggregates. In the first stage, only two aggregates were used (fine sand and pebbles), commonly used at the plant. The second stage included adding the coarse sand and stone powder to correct the lack of resistance promoted by the high amount of fine sand from... (Complete abstract click electronic access below)
Orientador: Jefferson Sidney Camacho
Coorientador: Maria da Consolação F. de Albuquerque
Banca: Jorge Luís Akasaki
Banca: Paulo César Primo Agostinho
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MACIEL, Kuelson Rândello Dantas. "Desenvolvimento de blocos de concreto para construção de silos circulares de alvenaria sem função estrutural." Universidade Federal de Campina Grande, 2002. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1084.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-07-01T14:50:29Z No. of bitstreams: 1 KUELSON RÂNDELLO DANTAS MACIEL - DISSERTAÇÃO PPGEA 2002..pdf: 27471198 bytes, checksum: 96e468952f03ff42112258eff6be49e9 (MD5)
Made available in DSpace on 2018-07-01T14:50:29Z (GMT). No. of bitstreams: 1 KUELSON RÂNDELLO DANTAS MACIEL - DISSERTAÇÃO PPGEA 2002..pdf: 27471198 bytes, checksum: 96e468952f03ff42112258eff6be49e9 (MD5) Previous issue date: 2002-08
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Atualmente estima-se que 25% da produção de grãos produzidos no Brasil, são perdidos nas fases de colheita e pós-colheita, parte desta perda referente ao armazenamento, pode ser minimizada, caso o país estimule a estocagem da produção nas próprias fazendas. Para isso é necessário ter disponível tecnologia simples, entre as quais, a de construção de silos para que se possa construir nos locais de produção. Com intuito de colaborar para uma política de armazenagem de grãos em fazendas, o presente trabalho tem o objetivo de estudar blocos de concreto para serem utilizados na construção de silos cilíndricos de alvenaria. Logo foi desenvolvido um bloco com geometria especial para se utilizar em silos cilíndricos, e analisando-se a absorção de água , as resistência à compressão e tração dos blocos confeccionados com traço de 1:3, 1:4 e 1:6 submetendo-os a dois tipos de cura: natural e submersa. Dentre os traço estudados para confecção de blocos de concreto o único que não atingiu resistência à compressão exigida pela NBR 7173 foi o traço 1:6, mas a resistência dos blocos em todos os traços foram superior aos esforços atuante no silo com dimensões estudadas. Enquanto que para resistência à tração não há norma especifica, com isso foi desenvolvida uma metodologia para simular o esforço de tração que as paredes dos silos cilíndricos estão submetidos e o blocos que foram moldados com traço 1:3 e 1:4 obtiveram resistência superior a necessária para um silo de 4m de altura e relação altura /diâmetro igual a 1.
Nowaday it's estimated that 25% o f the grains produced in Brazil are lost in the crop and post-crop phases, some of this refer to storage, but it can be minimized if the country stimulate stocking up the production in the farms. So it's neccssary to havc a simple technology available, as the construction of bin in the production places. In order to help a crop storage politic in the farms, in the prcscnt work we studied concrcte blocks that can be used to build masonry cylindrical bin. We developed a block with a special geometry to use in these bin, the water absorption, compression and traction resistances of the blocks were analyzed they were made with 1:3, 1:4 and 1:6 mixture and then submitted to two types o f cure: natural and submerged. Among the mixture studied to build the blocks the 1:6 mixture didn't reach the required resistance by the NBR 7173, but the resistance of the block with ali mixture was superior to the efforts in a bin with the same dimensions. There isn't an specilic norm for traction resistance, so we developed a methodology to simulate the traction efforts that the cylindrical bin walls were submitted, the blocks were moulded with 1:3 and 1:4 mixture, we get a superior resistance to the onc required to an bin with 4 metros in height and height/diameter relation equal to one.

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Palnati, Mahendra. "Design, Fabrication and Analysis of a Paver Machine Push Bar Mechanism." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6007.

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Now-a-days, the major challenge that’s being faced by the concrete industry is the cleaning of concrete handling equipment. Concrete consists of aggregates, which harden with time, and the transportation of concrete mixture within the plant is a significant problem. This will not only increase the overall maintenance cost, but will lead to loss of raw materials, affect the rate of production, and reduce the lifetime of concrete handling equipment. The present study focuses on the design and implementation of an adaptive cleaning mechanism in the concrete industry and its importance in achieving efficient cleaning, which is tested to verify its performance in the Paver production plant. The goal of this study is to provide practical evidence about the importance of adaptive cleaning mechanisms for industrial applications. The first chapter gives a detailed introduction about pavers and the production process, the cause of material loss that occurs during transportation of wet concrete mixture inside a paver plant, and its effect on handling equipment and work environment. The second chapter explains design and working of the paver machine push bar mechanism, which can be implemented in a hydraulic press production process of pavers. The third chapter includes analysis and results of the mechanism obtained using Solidworks and Autodesk Inventor followed by observations that are achieved based on practical application of this mechanism in a paver production plant.

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Baker, Raymond. "Concrete blocks for dam spillways." Thesis, University of Salford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334011.

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Ptáčková, Eva. "Polygrafická výroba PROGRAF." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372030.

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The aim of this Diploma thesis is the elaboration of the project documentation of a construction part for realization of the new building of the production hall and administrative building in a city of Slavkov u Brna. According to the local zoning plan, both buildings are designed on a plot in the development part of the city. The selected plot is conveniently located due to good accessibility to the D1 motorway. The office building will consist of two above-ground floors. On the first floor there will be the management of the company and the head of the press, the economic and commercial department, hygienic facilities. On the second floor there wil be a graphic studio, a day room and a spacious terrace. The construction system of an office building will be a wall longitudinal. The ground plan of the object is rectangular. the roof is designed as a mono-pitched roof. The factory is a single-storey building. Inside the factory hall there will be a polygraphical technological equipment. The location of the machines is only indicative as well as their choice. The hall will have its own equipment equipped with air conditioning and heating. It is designed as a precast concrete frame. The system is designed longitudinal. The object is a rectangular ground plan with a saddle roof.

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Lee, Tachen. "Latent and sensible heat storage in concrete blocks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ39095.pdf.

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Arslan, Guray. "Strengthening Of Reinforced Concrete Frames By Custom Shaped High Strength Concrete Masonry Blocks." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610335/index.pdf.

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Located on one of the highly active seismic fault systems in the world, the building stock in Turkey is mainly composed of reinforced concrete frames with 4-5 stories. Due to design and construction deficiencies resulting from the use of unqualified personnel and insufficient supervision, many of these buildings lack lateral stiffness, ductility and strength. For many structures, there is a need to alleviate these deficiencies by means of some rehabilitation techniques prior to earthquakes. One approach also used very widely in Turkey is to fill some of the frame bays by cast-in-place R/C panels. The procedure appears to be very practical at first glance. It also appears to be very economical as far as the production of the panels is concerned. However, the production phase is slow, dirty, destructive and disruptive to occupants. Moreover, it requires relatively skilled personnel and special equipment. Therefore, the real life experience shows that the actual cost in practice is much higher when all other hidden costs are taken into account. The aim of this experimental study is to explore the potential of using infill walls made of custom shaped and high strength concrete blocks as a simpler and more practical alternative to cast-in-place R/C panels to increase the lateral load bearing capacity of frame structures. The effectiveness of FRCM (Fiber Reinforced Cementitous Matrix) system on damaged structures is also investigated in this study.

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Aslantas, Onur. "A Study On Abrasion Resistance Of Concrete Paving Blocks." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605709/index.pdf.

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Concrete block pavement (CBP) can be an alternative pavement to asphalt and concrete pavements. CBP is formed from individual concrete paving blocks (CPBs) that fit next to one another on a suitable sub base leaving a specific joint space among them to be filled with jointing sand. CBP differ from other pavements according to their mechanical behavior, manufacturing technique, structural design, installation technique and structural behavior. For a serviceable pavement all of these subjects have to be studied. The literature about the mechanical behavior of CPBs is not adequate. This study aims to determine the performance of CPBs formed from different mixes prepared with a white portland cement. For this purpose, 10 mixes with different cement contents and W/C ratios and 2 mixes from a commercial CPB manufacturer were tested. The compressive strength, tensile splitting strength, abrasion resistance, density and % water absorption tests were performed on each mix at 7, 14, 28 days. It was concluded that, the cement content in the mix, optimum water volume for a given cement content, the way the manufacturing equipment is operated and their interaction was effective on the mechanical properties of CPBs. It was also observed that there was no handicap to stop the abrasion resistance test at 8*22 revolutions instead of 16*22 revolutions given in TS 2824.

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Books on the topic "Production of concrete blocks"

Baker, Raymond. Concrete blocks for dam spillways. Salford: University of Salford, 1992.

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Abate, Michael K. Concrete paving blocks: An overview. Springfield, Va: Available from National Technical Information Service, 1993.

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Abate, Michael K. Concrete paving blocks: An overview. [Olympia, Wash.]: Washington State Dept. of Transportation, 1993.

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Stephenson, R. Concrete blocks for Euston bus station. Slough: Cement and Concrete Association, 1987.

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Obande, M. O. Blocklaying and concreting. Harlow: Longman, 1990.

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Association, Ontario Concrete Block. Concrete block metric technical manual. Downsview, Ont: The Association, 1990.

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Michell, Gordon. Design in the high street. London: Architectural Press, 1986.

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Great Britain. Royal Fine Art Commission., ed. Design in the high street. London: Architectural Press, 1986.

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Itani, Rafik Y. Design of prestressed concrete girders without end blocks. [Olympia?]: Washington State Dept. of Transportation, Planning, Research and Public Transportation Division, 1986.

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Association, Aggregate Concrete Block. Aggregate concrete blocks: The better way to build. Leicester: Aggregate Concrete Block Association, 1985.

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Book chapters on the topic "Production of concrete blocks"

Cerqueira, Niander A., Victor B. Souza, Igor W. D. C. Pereira, Rondinelli C. Ribeiro, Afonso G. Azevedo, Mairyanne S. Souza, and Victor T. Bartolazzi. "Production of Concrete Interlocking Blocks with Partial Replacement of Sand in Bulk by Waste Glass Machined." In Characterization of Minerals, Metals, and Materials 2017, 719–27. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51382-9_79.

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Cao, Pengxu, Jun Luo, Guanghui Li, Yijia Dong, Mingjun Rao, and Zhiwei Peng. "Utilization CFA-Derived Tobermorite Fiber as Crystallization Revulsive in Autoclaved Concrete Block Production." In Energy Technology 2018, 265–74. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72362-4_23.

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Wu, Peng, and Sui Pheng Low. "The Precast Concrete Industry." In Lean and Cleaner Production, 67–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-42062-7_4.

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Kurdowski, Wieslaw. "Mineral Additions for Cement Production." In Cement and Concrete Chemistry, 533–83. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7945-7_7.

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de Brito, Jorge, and Nabajyoti Saikia. "Sustainable Development in Concrete Production." In Recycled Aggregate in Concrete, 1–22. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4540-0_1.

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Wu, Peng, and Sui Pheng Low. "Applications in Precast Concrete Factories." In Lean and Cleaner Production, 141–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-42062-7_7.

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de Brito, Jorge, and Rui V. Silva. "Green Materials for Concrete Production." In Sustainable Structural Engineering, 165–95. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2015. http://dx.doi.org/10.2749/sed014.165.

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Hasan, Nausherwan. "Quality Control During Production." In Durability and Sustainability of Concrete, 187–207. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51573-7_9.

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Yong, Yuan, Wu Yugang, Xu Guoping, and Ya Gan. "Anchorage Blocks of the Second Humen Bridge." In High Tech Concrete: Where Technology and Engineering Meet, 2654–59. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_302.

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Katryniok, Benjamin, Thomas Bonnotte, Franck Dumeignil, and Sébastien Paul. "Production of Bioacrylic Acid." In Chemicals and Fuels from Bio-Based Building Blocks, 217–44. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527698202.ch9.

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Conference papers on the topic "Production of concrete blocks"

Lukacova, Katarina. "SOLID AEROSOLS IN PRODUCTION SITE OF CONCRETE BLOCKS FOR WASCHING MACHINES." In 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/be5.v1/s20.115.

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Dawood, Eethar Thanon. "Production of concrete block using recycled aggregate." In 2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0000036.

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Oreta, Andres Winston C., Maejann E. Cuartero, and Nikko Paolo P. Villanueva. "Strength Properties and Microscopic Observations of Concrete with Plastic Wastes as Partial Aggregate Substitute." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0360.

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<p>Sustainable construction can be promoted by producing construction materials with recycled waste. This study aims to address the issue of recycling plastic wastes and providing a means of livelihood in a relocation site of typhoon victims and urban settlers in Metro Manila by exploring the production of quality concrete hollow blocks (CHB) mixed with waste plastic wastes. In the study, the strength properties of concrete with various types of plastic wastes (PW) such as plastic bags (PB) and noodle wrappers (NW) as substitute to fine aggregates were investigated. Different percent substitutions, specifically 2.5%, 5%, 7.5% and 10%, were considered for each mix. The behaviour and strength properties of the concrete with and without PW were analysed and compared Moreover, the microscopic structures of the various types of mixes were observed using a Scanning Electron Microscopy (SEM) and related to the failure mode and strength performance. Results show that concrete with PB outperformed the other concrete mixes with plastics due to the plastic bag’s high stretchable property, compared to the noodle wrappers. In addition, plastics, in general, provide additional ductility to the concrete enabling them to tolerate more deformation at lower loads. The final product of the study is a mix design for producing non-load bearing concrete hollow blocks (CHB) that can be used for low-cost housing in the Philippines.</p>

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"CIGR Handbook of Agricultural Engineering, Volume II Animal Production & Aquacultural Engineering, Part I Livestock Housing and Environment, Chapter 1 Performances of Construction Materials, Part 1.1 Concrete and Steel and Part 1.2 Masonry and Blocks." In CIGR Handbook of Agricultural Engineering Volume II Animal Production & Aquacultural Engineering. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 1999. http://dx.doi.org/10.13031/2013.36321.

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"A Study on Sustainable Reutilization of C&D Debris in the Construction of Traffic Barrier." In Recent Advancements in Geotechnical Engineering. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901618-14.

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Abstract. In India, the construction industry is growing at twice the world average. This leads to a significant accumulation of C&D waste. This typically includes asphalt, steel, concrete, bricks, wood and other building materials. It is estimated on a conservative basis that over 25-30 million tons of C&D waste is generated which clogs rivers, blocks traffic and occupies land / agricultural space which in turn creates pollution, solid waste production, discharge of dust and gas and leads to additional utilization of natural resources including non-renewable resources, thereby depleting the available resources. Only little amount of construction and demolition concrete debris is recycled or reused. Construction and demolition waste generation and handling issues are being focused to achieve sustainable goals. Based on this study, experimental investigations are carried out to evaluate the material properties and to study the strength characteristics and effect of partial replacement (20 %, 30 % and 40 %) of both fine and coarse aggregate obtained from construction and demolition waste (CDW) in the construction of intermediate road traffic concrete barriers.

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Yakovlev, Grigory, Jadvyga Keriene, Anastasiia Gordina, Irina Polyanskikh, and Milan Bekmansurov. "Efficient Eco-friendly Composite Fluorine Anhydrite-Based Materials." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.009.

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The paper presents possible ways of utilizing technogenic waste – fluorine anhydrite – by its use in production of dry mortars and piece goods from lightweight concrete with expanded polystyrene, as a organic filler, for low-rise construc-tion. The developed dry mortars are based on fluorine anhydrite binder and complex modifier comprising curing activator (sulfate or alkaline) and finely dispersed additive. The fluorine anhydrite-based compositions have improved physical and performance characteristics, including the improved strength and average density and reduced water absorption compared to the control composition. The developed lightweight anhydrite polystyrene concrete has the density grade of 700 kg/m3 and good vapor and gas permeability. The concrete is stabile while using and fire safe, because each granule of expanded poly-styrene is coated with anhydrite matrix, and has the strength sufficient for structural and heat insulating slabs and blocks. All mentioned compositions are eco-friendly and are in great demand for low-rise construction. Therefore the manufacturing of these compositions will consume a large amount of technogenic waste and will reduce the environmental load on the region where the waste is located.

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Bigolin, Morgane, Angela de Moura Ferreira Danilevicz, and Luiz Carlos Pinto da Silva Filho. "Sustainability requirements for concrete block elements based on recycled CDW: A case study for supporting social production in southern Brazil." In 2016 Portland International Conference on Management of Engineering and Technology (PICMET). IEEE, 2016. http://dx.doi.org/10.1109/picmet.2016.7806800.

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Ulmer, Kassidy N., and Bernard Housen. "GEOFORENSIC ANALYSIS OF CONCRETE BLOCKS AND BRICKS." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-337656.

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Tang, Xueqing, Lirong Dou, Ruifeng Wang, Alsadig Mohmoud Gabir, and Mouiz Hamza Musa. "Deeper Re-completions Exploited Bypassed Oil in Massive Heavy Oil Reservoir: Case Study." In SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2582438-ms.

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ABSTRACT Fula field at Block 6, Sudan contains crude of 16.8 to 19 °API with in-situ viscosity of 497 cp in Bentiu formation. It was on production in March, 2004 and has produced 14% of original oil in place. Massive and unconsolidated sandstones inter-bedded with thin (3 to 13 ft) and discontinuous shales possess high horizontal and vertical permeabilities (2 to 9.53 Darcies). Lateral dimensions of shale bodies range from 1,000 to 2,000 ft. To extend oil production life with water-free, initial development strategy was to perforate the upper and more permeable zones (Perforations are 30% of entire zones) to obtain profitable productivity. After fieldwide water breakthrough, based on the studies of bypassed oil distribution, the following innovative deeper re-completions have been applied in high-water-cut wells (water cut more than 80%) to exploit the bypassed oil zones and new pay zones that have been missed below the existing productive zones. squeeze cement into the existing high-water-cut zones, located at the upper portion of entire pay zones. Those long wormholes communicating with aquifer caused by deep sanding should be cemented.perforate partially the lower portion of pay zones with optimal shot density. 30 to 40% of entire pay zones and shot density of 5 shots per foot are recommended. Perforation tunnel optimization can be run for concrete well conditions.Progressing Cavity Pumps operate at low frequencies less than 30 Hz to regulate proper pressure drawdown less than observed critical value of sanding from field tests and water coning. Field production data indicate that this workover campaign has achieved more than 2-fold oil gain and reducing water cut by 30 to 50% compared to previous water cuts of over 80%, also, water cut plus dynamic fluid level remain relatively stable over 6 months.

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Sal, Jiri. "APPLICATION OF PET BOTTLES FOR CONCRETE MASONRY BLOCKS." In 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019/6.2/s26.003.

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Reports on the topic "Production of concrete blocks"

Moeller, G. C., and R. J. Donahue. Induced radioactivity in Bevatron concrete radiation shielding blocks. Office of Scientific and Technical Information (OSTI), July 1994. http://dx.doi.org/10.2172/10124608.

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Skone, Timothy J. Concrete Production. Office of Scientific and Technical Information (OSTI), February 2016. http://dx.doi.org/10.2172/1509359.

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Skoczinski, Pia, Michael Carus, Doris de Guzman, Harald Käb, Raj Chinthapalli, Jan Ravenstijn, and Wolfgang Baltus. Bio-based Building Blocks and Polymers – Global Capacities, Production and Trends 2020 – 2025. Nova-Institut GmbH, January 2021. http://dx.doi.org/10.52548/ytms4582.

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Skoczinski, Pia, Raj Chinthapalli, Michael Carus, Wolfgang Baltus, Doris de Guzman, Harald Käb, Achim Raschka, and Jan Ravenstijn. Bio-based Building Blocks and Polymers – Global Capacities, Production and Trends 2019 – 2024. Nova-Institut GmbH, January 2020. http://dx.doi.org/10.52548/ynbe3883.

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Shao, Yixin. Beneficial Use of Carbon Dioxide in Precast Concrete Production. Office of Scientific and Technical Information (OSTI), June 2014. http://dx.doi.org/10.2172/1155035.

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Hasanbeigi, Ali, Lynn Price, and Elina Lin. Emerging Energy-efficiency and CO{sub 2} Emission-reduction Technologies for Cement and Concrete Production. Office of Scientific and Technical Information (OSTI), April 2012. http://dx.doi.org/10.2172/1093583.

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Horvath, M. L. Investigation of the use of fly-ash based autoclaved cellular concrete blocks in coal mines for air duct work. Final report, January 25, 1993--December 31, 1994. Office of Scientific and Technical Information (OSTI), June 1995. http://dx.doi.org/10.2172/110230.

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Kaufman, M., and J. Ramirez. Production and Engineering Properties of Concrete Used in Precast Prestressed I-Beams for the State of Indiana, Volume I. West Lafayette, IN: Purdue University, 1988. http://dx.doi.org/10.5703/1288284314143.

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McDonald, Willie E., and Toy S. Poole. Performance of Electric and Microwave Batch Plant Moisture Meters in Determining the Moisture Contents of Fine-Aggregate Materials for Concrete Production. Fort Belvoir, VA: Defense Technical Information Center, September 1998. http://dx.doi.org/10.21236/ada354051.

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Kaufman, M., and J. Ramirez. Production and Engineering Properties of Concrete Used in Precast Prestressed I-Beams for the State of Indiana, Volume I: Executive Summary. West Lafayette, IN: Purdue University, 1988. http://dx.doi.org/10.5703/1288284314144.

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