Academic literature on the topic 'Puzzolan'

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Journal articles on the topic "Puzzolan"

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Bazhenova, Olga, Sofia Bazhenova, V. Nemirova, and Dmitriy Bazhenov. "The clays after heat treatment as the concrete active mineral additive." MATEC Web of Conferences 170 (2018): 03021. http://dx.doi.org/10.1051/matecconf/201817003021.

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Active mineral additives are one of the most common components of cement systems now. They are entered cements of increase in extent of hydration, the directed formation of structure of a cement stone from more stable hydrate phases of the lowered basicity, for the purpose of improvement of construction and technical properties of cements, by cutting of costs of fuel raw material resources for their production, giving to cements of some specific properties. In work the possibility of use as active mineral additives not only the granulated slags, but also local clays which industrially can give certain puzzolan properties are considered. It is proved that heat treatment of clay breeds significantly increases their puzzolan activity that does them suitable for use as active mineral additive instead of the domain granulated slag by production of the portland cement.
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Khademi, Faezehossadat, Mahmoud Akbari, and Sayed Mohammadmehdi Jamal. "Measuring Compressive Strength of Puzzolan Concrete by Ultrasonic Pulse Velocity Method." i-manager's Journal on Civil Engineering 5, no. 3 (August 15, 2015): 23–30. http://dx.doi.org/10.26634/jce.5.3.3427.

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Smorodinova, T. N., and M. K. Kotvanova. "Impact of acid treatment on the puzzolan activity of natural zeolite tuff." Journal of Physics: Conference Series 1926, no. 1 (May 1, 2021): 012037. http://dx.doi.org/10.1088/1742-6596/1926/1/012037.

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Butakova, M. D., and S. P. Gorbunov. "Study of the Influence of Complex Additives on Properties of the Gypsum-Cement-Puzzolan Binder and Concretes on its Basis." Procedia Engineering 150 (2016): 1461–67. http://dx.doi.org/10.1016/j.proeng.2016.07.082.

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Stryczek, Stanisław, Rafał Wiśniowski, Andrzej Gonet, and Albert Złotkowski. "Influence of Specific Surface of Lignite Fluidal Ashes on Rheological Properties of Sealing Slurries / Wpływ Powierzchni Właściwej Popiołów Fluidalnych z Węgla Brunatnego na Właściwości Reologiczne Zaczynów Uszczelniających." Archives of Mining Sciences 57, no. 2 (November 12, 2012): 313–22. http://dx.doi.org/10.2478/v10267-012-0019-0.

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Abstract New generation fly ashes come from the combustion of coal in fluid-bed furnaces with simultaneous sulphur-removal from gases at ca. 850°C. Accordingly, all produced ashes basically differ in their physicochemical properties from the traditional silica ones. The aim of the laboratory analyses was determining the influence of specific surface and granular composition of fluidal ash on rheological properties of slurries used for sealing up the ground and rock mass media with hole injection methods, geoengineering works and cementing casing pipes in deep boreholes. Fluidal ash from the combustion of lignite contain active Puzzolan appearing in the form of dehydrated clayey minerals and active components activating the process of hydration ashes, i.e. CaO, anhydrite II and CaCO3. The ashes have a weak point, i.e. their high water diment, which the desired rheological properties related with the range of their propagation in the rock mass cannot not be acquired for injection works in the traditional sealing slurries technology. Increasing the water-to-mixture ratio should eliminate this feature of fluidal ashes. Laboratory analyses were performed for slurries based on metallurgical cement CEM III/A 32,5 having water-to-mixture ratios: 0.5; 0.6 ; 0.7 and 0.8; the fluidal ash concentration in the slurries was 30 wt.% (with respect to the mass of dry cement). Basing on the obtained results there were determined optimum recipes of sealing slurries in view of their rheological parameters which could be applied both in drilling technologies (cementing casing pipes, closing of boreholes, plugging) and in geoengineering works related with sealing up and reinforcing ground and rock mass media.
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Editors, Guest. "Proceedings of the 37th National Congress of the Italian Society of Histochemistry." European Journal of Histochemistry 61, no. 2s (September 6, 2017): 1. http://dx.doi.org/10.4081/ejh.2017.2844.

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Hauptmann, Andreas, and Ünsal Yalcin. "Lime plaster, cement and the first puzzolanic reaction." Paléorient 26, no. 2 (2000): 61–68. http://dx.doi.org/10.3406/paleo.2000.4710.

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Tursunova, Gulsanam Ruzimurodovna, and Farrukh Bakhtiyarovich Atabaev. "Definition Of Puzzolanic Properties Active Mineral Additives In Portlandcement." American Journal of Applied Sciences 03, no. 03 (March 25, 2021): 7–12. http://dx.doi.org/10.37547/tajas/volume03issue03-02.

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The article presents the results of testing the use of Angren dry remote active ash and slag in Portland cement as an active mineral additive. It was found that Portland cement with the addition of Angren dry remote active ash and slag renders karrazastoy, ekanomet clinker and it is proved that hydro removed ash and slag (2011 year) does not recommend as an active mineral additive. Therefore, dry remote active ash and slag is recommended for use as an active mineral additive in the production of cement, improving its construction and technical properties. The possibility of using Angren dry remote active ash and slag as an active mineral component for producing cements with low corrosion resistance is shown. Angren dry remote active ash and slag contributes to the formation of the structure of the cement stone, increases its density and strength against aggressive ions, causing increased resistance in aggressive environments. And save up to 30% of cement. It has been established that Portland cement with the addition of Angren dry remote active ash and slag has an intensifying effect on the formation of clinker minerals. Therefore, the Angren dry remote active ash and slag is recommended for use as a mineralizing additive in the production of cement. Use of chemical industry waste with replacement of expensive natural production and consumption waste. At the same time, an environmental problem is being addressed.
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Stankovic, Maja, Nenad Krstic, Dragan Djordjevic, Nemanja Anastasijevic, Vojislav Mitic, Gordana Toplicic-Curcic, and Ana Momcilovic-Petronijevic. "Chemical analysis of mortars of archaeological samples from Mediana locality, Serbia." Science of Sintering 51, no. 2 (2019): 233–42. http://dx.doi.org/10.2298/sos1902233s.

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Mineralogical and chemical composition of mortar from the floor, ceiling and wall of Stibadium B, from the archaeological site of Mediana (Serbia) have been analysed using ICP-OES, F?IR and XRD-spectroscopy and chemical analysis. The results show that hydraulic lime mortar was used with crushed bricks as artificial puzzolanic aggregate. Large contribution of silicon- and aluminum-oxides, indicate the presence of quartz and phyllosilicate minerals derived from the aggregate, river sand and crushed bricks. Also, high content of Pb and Cu was observed in investigated samples.
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Ziegler, C. L. "Von dem Tarras, der Puzzolana und deren Substitutionsarten / On Trass, Pozzolana, and Different Kinds of Substitutes." Restoration of Buildings and Monuments 10, no. 2 (April 1, 2004): 133–62. http://dx.doi.org/10.1515/rbm-2004-5843.

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Dissertations / Theses on the topic "Puzzolan"

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Feuerborn, Hans-Joachim. "Mittel- und ostdeutsche Braunkohlenflugaschen in hydraulischen Bindemitteln /." Aachen : Mainz, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016470441&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Trümer, André [Verfasser], Horst-Michael [Akademischer Betreuer] Ludwig, Karl-Christian [Gutachter] Thienel, and Detlef [Gutachter] Heinz. "Calcinierte Tone als Puzzolane der Zukunft - Von den Rohstoffen bis zur Wirkung im Beton / André Trümer ; Gutachter: Karl-Christian Thienel, Detlef Heinz ; Betreuer: Horst-Michael Ludwig." Weimar : Bauhaus-Universität Weimar, 2020. http://d-nb.info/1205259236/34.

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Dočkal, Jakub. "Vliv technologie mletí na vlastnosti směsných cementů s pucolánovou složkou." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-239954.

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The aim of this thesis was to summarize and assess the possibility of using recycled glass in the manufacture of blended portland cements. Work was focused on examining the possibilities to improve pozzolanic properties of recycled glass with new milling processes. The formation of agglomerates material during the course of grinding and their subsequent effect on the hydration process of binders has been also examining. Part of the thesis was also focused on grindability of materials and determination of using separate or inters grinding.
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Books on the topic "Puzzolan"

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Pasley, Charles William. Observations on Limes, Calcareous Cements, Mortars, Stuccos, and Concrete: And on Puzzolanas, Natural and Artificial. University of Cambridge ESOL Examinations, 2014.

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Book chapters on the topic "Puzzolan"

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Duggal, S. K. "Chapter 9 Puzzolanas." In Building Materials, 211–18. Routledge, 2017. http://dx.doi.org/10.1201/9781315138640-9.

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"Puzzolanic materials for restoration of earthen architecture." In Earthen Architecture: Past, Present and Future, 191–96. CRC Press, 2014. http://dx.doi.org/10.1201/b17392-33.

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Lauria, Curadora Adriana L. "La obra de Norberto Puzzolo: de Tucumán Arde a Paisajes de la memoria (1968-2013). Una práctica fotográfica comprometida." In Représentations esthétiques en Argentine et dans le Rio de la Plata XIXe, XXe, XXIe siècle. Politique, Fêtes et Excès, 49–61. Presses universitaires de Perpignan, 2015. http://dx.doi.org/10.4000/books.pupvd.4320.

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Conference papers on the topic "Puzzolan"

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Alcino, Valeria Fabiana. "La imagen inmaterial. Visualidad, sonoridad y política en el arte contemporáneo argentino." In IV Congreso Internacional de Investigación en Artes Visuales. ANIAV 2019. Imagen [N] Visible. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/aniav.2019.9095.

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Este trabajo analiza la relación entre la imagen visual, la dimensión sonora y la historia política argentina en la obra Evidencias de Norberto Puzzolo y Eva. La lluvia de Nicola Costantino. La capacidad evocadora de lo sonoro como una dimensión de las emociones, de las huellas de presencias arrebatadas de un tiempo pasado, se propone como un punto de partida para la reflexión sobre el pasado de la historia reciente argentina, una historia en constante revisión y re-construcción. "Evidencias" (2010) -Museo de la Memoria de Rosario- es una instalación en proceso de Norberto Puzzolo (Rosario, 1948). Esta obra trata sobre la ardua búsqueda de las Abuelas de Plaza de Mayo y la restitución de la identidad a sus nietos, hijos de los desaparecidos por el terrorismo de Estado (1976-1983). Desde este punto, se intenta abordar la sonoridad, el movimiento de las imágenes y las múltiples temporalidades: pasado/presente; pasado/futuro; presente/futuro. Pensar el sonido como un signo de presencia/ausencia, como signo de aquello que en un tiempo venidero podrá –o no- estar presente. La instalación Eva. La lluvia (2013) de Nicola Costantino (Rosario, 1964) forma parte de la obra Rapsodia Inconclusa (2013) que a partir de una serie de video-instalaciones trabaja el aspecto íntimo de la vida de Eva Perón. Del grupo, ésta es la producción que evoca la dimensión pública de Evita, pues de una forma abstracta representa los funerales de la importante figura política de la historia argentina. Este estudio considera la desmaterialización visual -que en este caso es conceptual- producida por el aspecto sonoro de la obra como parte fundamental del proceso artístico. En conclusión, esta ponencia intentará explorar las tensiones entre visualidad y sonoridad, las formas inmateriales constitutivas de sentidos vinculadas con poéticas y reconstrucciones de la memoria histórica.
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Alcino, Valeria Fabiana. "Voces de la ausencia/poética de la memoria en la obra Evidencias (2010) de Norberto Puzzolo, Museo de la Memoria, Rosario, Argentina. Sonido, silencio e imagen durante la dictadura argentina (1976-1983)." In IV Congreso Internacional de Investigación en Artes Visuales. ANIAV 2019. Imagen [N] Visible. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/aniav.2019.9164.

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Este trabajo se propone analizar los diversos planos puestos en relación a partir del sonido y la visualidad con las poéticas de la memoria a partir de la instalación Evidencias (2010) del artista argentino Norberto Puzzolo (Rosario,1943).La obra trata una doble problemática.Por una parte, expone los trágicos hechos de apropiación de niños, hijos de detenidos desaparecidos por el terrorismo de Estado argentino entre 1976 y 1983. Por otro lado, muestra la ardua búsqueda de las Abuelas de Plaza de Mayo y la restitución de la identidad a sus nietos.En la instalación de Puzzolo, el sonido se ubica como una evocación del pasado en tanto que el aspecto visual instala el tiempo presente y futuro. En esta unión de poéticas y temporalidades, emerge el interrogante del ser social nacional. El artista ha dejado los espacios vacíos para que sea la voluntad de la sociedad la que cierre esta obra.Evidencias, es un site specific concebido para el Museo de la Memoria de Rosario, Provincia de Santa Fe, Argentina. Asimismo, es una obra en progreso, en constante cambio a medida que los hallazgos de las identidades de los nietos desaparecidos se incorporan a la composición.Desde este punto, se intenta abordar la relación entre la materialidad de la obra visual y la invisibidad del sonido. La dimensión sonora como medio evocativo de múltiples temporalidades: pasado/presente; pasado/futuro; presente/futuro. Pensar el sonido como un signo de presencia/ausencia en esas temporalidades, como signo de aquello que en un tiempo venidero podrá –o no- estar presente. La dimensión histórica/política y política/social enfrentando la tensión entre memoria/olvido, resulta central en este abordaje. La pregunta sobre cómo vamos a reconstruir nuestro pasado reciente se pone en evidencia en el proceso de ir completando la obra. El desafío al que nos enfrenta como sociedad es la incógnita de saber si seremos capaces de restituir las imágenes faltantes y a partir de ellas, reponer las voces del pasado.
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Malikzada, Abdulmuner, Hasan Fırat Pulat, and İnci Develioğlu. "Effect of Fly Ash on Compaction Behavior of Alluvial Soil." In International Students Science Congress. Izmir International Guest Student Association, 2021. http://dx.doi.org/10.52460/issc.2021.016.

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Low plasticity, high bearing capacity, low settlement, etc. are the preferred properties for most engineering projects. Alluvial soils are problematic soils because of low bearing capacity, high organic matter content, and high void ratio so they do not meet the preferred condition for engineering projects. It has been necessary to improve unsuitable materials to make them acceptable for construction. Fly ash (FA) has earlier been used for stabilizing roads due to its high content of calcium and silicate oxides which give puzzolanic properties and thus high compression strength. In this research, fundamental engineering properties, compaction behaviors of three types of (fine, medium, and coarse) alluvial deposits, and the effect of fly ash on compaction behavior of these alluvial soils are presented. Alluvial soil is taken from Çiğli, Balatçık (Izmir, Turkey). To determine geotechnical index properties; wet sieve analysis, plastic limit, liquid limit, specific gravity, standard compaction tests were conducted. In order to determine the effect of fly ash on compaction behavior of alluvial deposits, three different samples (fine < 0.425mm, medium < 2mm, and coarse < 4.75 mm) are prepared and 10%, 15%, 20% fly ash by dry weight of soil is mixed and standard proctor test is performed. As a result of laboratory tests, the liquid limit, plastic limit, and plasticity index values obtained as 38.3%, 25.7%, and 12.6%, respectively. The specific gravities for fine, medium, and coarse samples are 2.68, 2.67, and 2.66, respectively. According to the results of wet sieve analysis and consistency limit tests, it was stated that the soil contains large amounts of sand and clay. The washed sieve analysis and consistency limit tests results were evaluated according to USCS. The conducted test results have shown that maximum dry unit weight for fine, medium, and coarse soils are 16.9, 19.35, and 19.55 (kN/m3), and optimum moisture content for fine, medium, and coarse samples are 17, 11, 10.5% respectively. Generally, by increasing the content of FA, maximum dry unit weight decreased and optimum moisture content increased for all three types of alluvial soil. By increasing FA to 20%, maximum dry unit weight of medium and coarse soils decreases 1.5% and 2%, respectively.
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