Relevant bibliographies by topics / Pozzolanic materials

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Pozzolanic materials'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Pozzolanic materials"

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Santana, Juan J., Natalia Rodríguez-Brito, Concepción Blanco-Peñalver, Vicente F. Mena, and Ricardo M. Souto. "Durability of Reinforced Concrete with Additions of Natural Pozzolans of Volcanic Origin." Materials 15, no. 23 (2022): 8352. http://dx.doi.org/10.3390/ma15238352.

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In this work, the properties of concrete modified with dosages of natural pozzolans (NP) in substitution of cement or superfine aggregates were evaluated. Proportions of 20/80 pozzolan/cement or pozzolan/superfine aggregates were selected for the additions of quarry and tuff pozzolans. Pozzolanic activity, durability, compressive strength, characteristic resistance, settling consistency, density, electrical resistivity, depth of water penetration, accessible porosity, and carbonation and chloride penetration were determined for the resulting concrete mixtures, and they were subsequently compar
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Seleem, H. H., A. M. Rashad, and B. A. El-Sabbagh. "Performance of Blended Cement Concrete against Seawater Attack." Advances in Science and Technology 64 (October 2010): 19–24. http://dx.doi.org/10.4028/www.scientific.net/ast.64.19.

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The current work reports the influence of synthetic seawater on some of the durability aspects of an ordinary concrete mixture (control) and six pozzolan-concrete mixtures. Three types of pozzolanic materials were employed; silica fume (SF), ground granulated blast furnace slag (GGBS) and metakaolin (MK). The pozzolanic materials were employed as an addition to cement in binary and ternary combinations. All mixtures were tested for strength deterioration ratio (SDR) after 3, 6, and 12 months of exposure to synthetic seawater, permeability was measured after 6 and 12 months of exposure. It was
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Villar-Cociña, Ernesto, Moisés Frías, Holmer Savastano, et al. "Quantitative Comparison of Binary Mix of Agro-Industrial Pozzolanic Additions for Elaborating Ternary Cements: Kinetic Parameters." Materials 14, no. 11 (2021): 2944. http://dx.doi.org/10.3390/ma14112944.

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In this research work, the quantitative characterization of a binary blend comprised of two pozzolans (sugar cane straw (SCSA)–sugar cane bagasse ashes (SCBA), bamboo leaf ash (BLAsh)–SCBA and paper sludge (PS)–fly ash (FA)) taking into account the calculated values of the kinetic parameters of the reaction in the pozzolan/calcium hydroxide system is shown. The paper shows the most significant and important results obtained by the authors in the quantitative assessment (calculation of kinetic parameters) of the pozzolanic reaction of different mixtures of pozzolanic materials that are residues
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Shi, Caijun. "An overview on the activation of reactivity of natural pozzolans." Canadian Journal of Civil Engineering 28, no. 5 (2001): 778–86. http://dx.doi.org/10.1139/l01-041.

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Natural pozzolan is one of the oldest construction materials. Lime-pozzolan cements have been used for several thousands of years and have an excellent reputation for their durability. Pozzolans are being widely used as a cement replacement in Portland cement concrete. The use of pozzolans has the advantage of lower costs and better durability, but the disadvantage of a longer setting time and a slower early strength development. Different techniques have been tried to increase the reactivity of natural pozzolans to overcome these disadvantages. This paper has reviewed various methods used to
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Pontes, Jorge, António Santos Silva, and Paulina Faria. "Evaluation of Pozzolanic Reactivity of Artificial Pozzolans." Materials Science Forum 730-732 (November 2012): 433–38. http://dx.doi.org/10.4028/www.scientific.net/msf.730-732.433.

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Pozzolanicity is a very interesting issue regarding building materials, as a way to enhance mortars and concrete durability. This property results from the reaction between calcium hydroxide and silica and alumina based materials. Different types of natural and artificial pozzolans show pozzolanic activities that differ depending on the materials characteristics. Therefore, the study of this property, namely its reactivity with calcium hydroxide, reveals itself to be important in the selection of the type and content of these materials. This paper presents the results of several pozzolanic rea
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Canonico, Fulvio, Sabine Mutke, Araceli Pablos Martín, and Alberta Pellegrino. "Opportunities and barriers of pozzolanic cements." ce/papers 6, no. 6 (2023): 127–39. http://dx.doi.org/10.1002/cepa.2828.

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AbstractNatural pozzolans have been used as building materials since ancient times. They are used as a supplementary cementitious material in combination with portland clinker to produce cements, characterized by high mechanical strengths and good durability performance. In the past the production of pozzolanic cement was mostly restricted to countries with natural pozzolan availability (Italy, Turkey, Greece, Philippine for example) and considered or even rejected in other countries that had the possibility of using other types of SCMs such as slag or fly‐ash. The market acceptance of natural
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Yagüe García, Santiago, and Cristina González Gaya. "Reusing Discarded Ballast Waste in Ecological Cements." Materials 12, no. 23 (2019): 3887. http://dx.doi.org/10.3390/ma12233887.

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Numerous waste streams can be employed in different cement production processes, and the inclusion of pozzolans will, moreover, permit the manufacture of concrete with improved hydraulic properties. Pozzolanic materials can be added to Ordinary Portland Cement (OPC) in the range of 10%–20% by mass of cement. One such example is the phyllosilicate kaolinite (K), and its calcined derivative metakaolin (MK), incorporated in international cement manufacturing standards, due to its high reactivity and utility as a pozzolan. In the present paper, discarded ballast classed as Construction and Demolit
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Sierra, Oscar M., Jordi Payá, José Monzó, María V. Borrachero, Lourdes Soriano, and Javier Quiñonez. "Characterization and Reactivity of Natural Pozzolans from Guatemala." Applied Sciences 12, no. 21 (2022): 11145. http://dx.doi.org/10.3390/app122111145.

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The possibility of using pozzolanic materials as a partial substitute for Portland cement (PC) to develop mortars and concretes promotes environmental and economic benefits. The present paper includes an in-depth investigation into the characterization of natural pozzolans from Guatemala for the valorization of these materials. An exhaustive physico-chemical characterization of the starting materials was first carried out. Second, an analysis of the pozzolanic reactivity of both pozzolans was performed using an evolution test of the pH and electrical conductivity measurements and a Frattini te
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Záleská, Martina, Milena Pavlíková, and Zbyšek Pavlík. "Classification of a-SiO2 Rich Materials." Materials Science Forum 824 (July 2015): 33–38. http://dx.doi.org/10.4028/www.scientific.net/msf.824.33.

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The powder materials containing active SiO2, which are used as pozzolanic active materials in cement mixtures, can be classified in consideration of their pozzolana activity, particle size or reactivity. In this paper, several types of metakaoline are studied using Frattini and modified Chapelle test for pozzolanic activity determination. The particle size analysis is measured using the laser diffraction analyser and the differences in the chemical composition are characterized by FTIR spectroscopy. The obtained data show influence of particle size and chemical composition of tested powders on
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Juimo Tchamdjou, Willy Hermann, Sophie Grigoletto, Frédéric Michel, Luc Courard, Toufik Cherradi, and Moulay Larbi Abidi. "Effects of Various Amounts of Natural Pozzolans from Volcanic Scoria on Performance of Portland Cement Mortars." International Journal of Engineering Research in Africa 32 (September 2017): 36–52. http://dx.doi.org/10.4028/www.scientific.net/jera.32.36.

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The aim of this paper is to assess the possibility of using natural pozzolans (NPs) from Cameroonian volcanic scoria as supplementary cementitious materials (SCMs) in the production of Portland cement mortars. Four natural pozzolans (Black Natural Pozzolan: BNP, Dark-Red Natural Pozzolan: DRNP, Red Natural Pozzolan: RNP and Yellow Natural Pozzolan: YNP) with 3600, 4500, 4700 and 5200 cm2/g Blaine fineness respectively were produced from different colors (Black, Dark red, Red and Yellow) volcanic scoria in a laboratory mill. Natural pozzolans were characterized with regard to particle size dist
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Dissertations / Theses on the topic "Pozzolanic materials"

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Bordeian, Georgeta Simona. "Characterisation and properties of alkali activated pozzolanic materials." Thesis, Sheffield Hallam University, 2000. http://shura.shu.ac.uk/19371/.

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Many of the waste materials produced from modem heavy industries are pozzalans, which develop cementitious properties when finely divided in the presence of free lime. This property allows a potential industrial use for this waste as a cement replacement material in concrete. An example of such a waste material is blast furnace slag from the smelting of iron and steel. The US produces 26 million tons of blast furnace slag annually. Most of the slag is slowly cooled in air and it makes a poor pozzolan. Only 1.6 million tons of the slag is available in the granulated form, which is suitable as a
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Chapagain, Indra Prasad. "Mechanical properties of self-consolidating concrete with pozzolanic materials." FIU Digital Commons, 2008. http://digitalcommons.fiu.edu/etd/2111.

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Self-consolidating concrete has been described as the most revolutionary development in concrete technology in several decades with the ability to flow freely through closely spaced reinforcements, expel entrapped air and self compact without vibration. Since it was first developed in Japan in the early 1980's, major development in the chemical admixture technology has made SCC more viable. An experimental study was conducted to identify the mechanical properties of SCC by optimizing the use of pozzolanic materials and local aggregates with some proposed statistical models. The research was fo
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Meral, Cagla. "Using Perlite As A Pozzolanic Addition In Blended Cement Production." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605259/index.pdf.

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Perlite is a volcanic glass which has high amount of silica and alumina. Those properties make it a candidate, if finely ground, for being used as a pozzolan. The studies on the pozzolanic properties of perlite are very limited, and none of them has dealt with the use of perlite in the blended cement production. The aim of this study is to investigate the pozzolanic properties of perlite, and if appropriate to investigate perlite&rsquo<br>s usability in blended cement production. For this purpose, perlites from two different sources &ndash<br>Izmir and Erzincan - are used as replacement of
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Kalakada, Zameer. "Experimental Investigation on Recycled Glass Powder as a Pozzolanic Cement." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/393612.

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Cement is the main ingredient in concrete, and the production of cement is a costly and energy absorbing process. In addition, production of cement ominously contributes to environmental pollution, as 1 ton of cement releases about 0.9 ton of CO2 in the atmosphere. Since cement is the material which is primarily responsible for the cost and the pollution, there is a critical need to develop materials which exhibit cementitious property and could be used as a substitute of cement. Supplementary Cementitious Materials (SCM), are substances which possess cementitious properties, hence they can be
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Ahmed, Mohammad Sharfuddin Aerospace Civil &amp Mechanical Engineering Australian Defence Force Academy UNSW. "Effects of systematic increase in pozzolanic materials on the mechanical, durability, and microstructural characteristics of concrete." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Aerospace, Civil and Mechanical Engineering, 2007. http://handle.unsw.edu.au/1959.4/38645.

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The use of high performance concrete in construction has been enhanced by the use of pozzolanic materials. However, the use of these materials has not been optimized. Such optimization may be achieved by a systematic increase in the amount and combination of pozzolanic material additions, with accompanying studies of their effects on the mechanical, durability and microstructural characteristics of blended concrete. This work evaluated various concrete durability issues by studying systematic increases of pozzolanic materials such as fly ash and blast furnace slag (BFS) in the range of 25, 50
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Erdem, Tahir Kemal. "Investigation On The Pozzolanic Property Of Perlite For Use In Producing Blended Cements." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12605964/index.pdf.

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Perlite is a glassy volcanic rock that contains approximately 70-75% silica and 12-18% alumina. There are very large perlite reserves in the world (~6700 million tons) and approximately two thirds of these is in Turkey. Due to its high amounts of silica and alumina, at the beginning of such a study, it seemed that it would be worth first to find out whether perlite possesses sufficient pozzolanic property when it is a finely divided form and then to investigate whether it could be used as a pozzolanic addition in producing blended cements. In this study, perlites from two different regions
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Uzal, Burak. "Properties And Hydration Of Cementitious Systems Containing Low, Moderate And High Amounts Of Natural Zeolites." Phd thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608974/index.pdf.

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The extent of the benefits provided by use of SCMs in cementitious systems increases as their percentage amounts in total binder increases. However, the proportion of SCMs in cementitious systems is limited, especially for natural pozzolans, by some factors such as increase in water requirement and decrease in rate of strength development. Therefore investigations are needed to increase the amount of natural pozzolans in blended cements or in concrete as much as possible without decreasing their performance. This aim requires studies on cementitious systems with more reactive natural pozzolans
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Morel, Bayram Murat. "Investigation Of The Effects Of Temperature On Physical And Mechanical Properties Of Monolithic Refractory Made With Pozzolanic Materials." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606700/index.pdf.

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In recent years, scientific studies are carried out to find new refractory material. Having good mechanical properties under very high temperatures, refractories are widely used in industries like iron, steel, glass, cement and pottery. Researches are focused on monolithic refractory making because of their superior properties comparing to conventional firebrick refractories. Providing a mono-block body, having no joints makes the monolithic refractories more durable at elevated temperatures. Easier production and installation are two main points that people are choosing monolithic refractorie
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Fagundes, Luiza Perroni. "Utilização de resíduo de cerâmica proveniente de olarias para estabilização de solo laterítico /." Ilha Solteira, 2019. http://hdl.handle.net/11449/181162.

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Orientador: Mauro Mitsuuchi Tashima<br>Resumo: O modo como são dispostos os resíduos gerados pela indústria, pela agropecuária e pela sociedade gera uma preocupação crescente. Muitas pesquisas têm sido desenvolvidas com a finalidade de diminuir o impacto que estes causam a sociedade e ao meio ambiente. Diversos resíduos têm sido estudados como materiais cimentícios suplementares para substituição de parte da quantidade de cimento, contribuindo para a redução de áreas de aterro e também na diminuição da emissão de CO2 associada à produção de cimento Portland, que é responsável por cerca de 5% a
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Tekin, Ahmet Veli. "Effect Of Coating Materials And Mixture Constituents On The Permeability Of Concrete." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614214/index.pdf.

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The improvement in the impermeability of concrete was studied using different methods. The main aim was to investigate impermeability improvement of concrete and to compare these methods. Two different methods were examined to investigate and compare impermeability and strength improvement of concrete by using two different sets of concrete specimens. These methods included the application of coating materials to concrete and the production of concrete using different constituent amounts and types. The first set of concrete specimens was prepared by applying two different coating materials (a
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Books on the topic "Pozzolanic materials"

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Malhotra, V. M. Pozzolanic and cementitious materials. Gordon and Breach, 1996.

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Malhotra, V. M., and P. K. Mehta. Pozzolanic and Cementitious Materials. Taylor & Francis Group, 2004.

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Malhotra, V. M. Pozzolanic and Cementitious Materials. Taylor & Francis Group, 2017.

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Malhotra, V. M., and P. K. Mehta. Pozzolanic and Cementitious Materials. Taylor & Francis Group, 2004.

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Malhotra, V. M., and P. K. Mehta. Pozzolanic and Cementitious Materials. Taylor & Francis Group, 2004.

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K, Mehta P., ed. Pozzolanic and cementitious materials. Gordon & Breach, 1996.

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Shahab-Ed-Din, Ghalib M. Use of Fly Ash As a Pozzolanic Material in Portland Cement Concrete. Creative Media Partners, LLC, 2021.

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Machin, J. S. Survey of Some Illinois Materials Possibly Useful As Pozzolans; Industrial Minerals Notes No. 12. Creative Media Partners, LLC, 2021.

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Book chapters on the topic "Pozzolanic materials"

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Baradan, B. "Improving the Properties of Adobe by Pozzolanic Materials." In Durability of Building Materials & Components 7 vol.1. Routledge, 2018. http://dx.doi.org/10.4324/9781315025025-27.

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Muhammed Koya, N. K., and Deepa G. Nair. "Investigations on the Pozzolanic Properties of Residual Rice Husk Ash." In Advances in Sustainable Construction Materials. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4590-4_40.

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Abdel-Jabbar, Haneen, Rahimah Embong, and Mohammad I. AlBiajawi. "Role of Nanomaterials in Improving Pozzolanic Properties of Blended Cement: A Review." In Springer Proceedings in Materials. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9848-7_25.

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Almond, Frank, and Carl Rydeng. "2. Cementitious Materials Projects: Getting the mix right; Pozzolanic Binders." In Lime and Other Alternative Cements. Practical Action Publishing, 1992. http://dx.doi.org/10.3362/9781780442631.002.

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Žižková, Nikol, Jakub Hodul, and Rostislav Drochytka. "Study on the Use of Glass By-Products for Sustainable Polymer-Modified Mortars." In Springer Proceedings in Materials. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72955-3_27.

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AbstractThis investigation is focused on the observation of changes in the properties of polymer-modified cement mortars caused by the addition of recycled glass. The current requirements for reducing CO2 emissions in the production of cement composites, are also forcing the producers of polymer-modified mortars (PMMs) to use alternative materials, such as silica-rich supplementary materials. Selected types of recycled glass with pozzolanic behavior were specifically ground (particle size below 63 μm) and used as a partial cement substitute (10 wt.%, 20 wt.% and 30 wt.% substitution of Portlan
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Harding, India, Sripriya Rengaraju, and Abir Al-Tabbaa. "Suitability of Excavation Clay Wastes for Sustainable Earthen Construction." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_77.

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AbstractAchieving net-zero emissions by 2050 is driving innovation across the construction industry. Within the industry, there is no component in greater need for change than concrete. The carbon emissions associated with concrete production could be reduced if radical changes to the industry took place. Calcined clay is a growing area of research interest, with its value in LC3 concrete showing great potential. Research beyond concrete-based applications, however, is sparse. This chapter will review the reactivity of calcined clays and assess their suitability as pozzolanic materials. The hi
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Azevedo, A. R. G., J. Alexandre, L. J. T. Petrucci, E. B. Zanelato, and T. F. Oliveira. "Evaluation of the Pozzolanic Activity of Residue From the Paper Industry." In Characterization of Minerals, Metals, and Materials 2017. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51382-9_72.

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Šupić, Slobodan, Vlastimir Radonjanin, Mirjana Malešev, Ivan Lukić, and Vladan Pantić. "Harvest Residues Ash and Ceramic Powder as Pozzolanic Materials for Developing Sustainable Building Materials." In International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-33187-9_1.

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Artioli, G., M. Secco, A. Addis, and M. Bellotto. "5. Role of hydrotalcite-type layered double hydroxides in delayed pozzolanic reactions and their bearing on mortar dating." In Cementitious Materials, edited by Herbert Pöllmann. De Gruyter, 2017. http://dx.doi.org/10.1515/9783110473728-006.

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Al Biajawi, Mohammad I., Rahimah Embong, Andri Kusbiantoro, and Haneen Abd Aljabbar. "Influences of Various Particle Sizes of Coal Bottom Ash as Supplementary Cementitious Material on the Pozzolanic Properties." In Springer Proceedings in Materials. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9848-7_27.

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Conference papers on the topic "Pozzolanic materials"

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Moreno, Eric I., Alberto A. Sagüés, and Rodney G. Powers. "Performance of Plain and Galvanized Reinforcing Steel During the Initiation Stage of Corrosion in Concrete with Pozzolanic Additions." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96326.

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Abstract The pH of the concrete pore solution is expected to be somewhat lower in concretes using pozzolanic additions than in concrete using unblended cements. Variations in pH pore solution may hold the key to explaining conflicting reports on the performance of galvanized rebar. To examine that factor, plain and galvanized rebars have been tested for over two years in concrete specimens made with cement type II, with various contents of fly ash and silica fume. Electrochemical impedance measurements and sensitive polarization techniques have been used to measure the rate of metal dissolutio
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Moreno, Eric I., Rómel G. Solís-Carcaño, Jorge Varela-Rivera, and Roxana A. Cua-Cuevas. "Diffusion of Chlorides in Concrete Exposed to the Caribbean Environment." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01605.

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Abstract As the environment in the Caribbean coast is highly aggressive, the housing infrastructure built in this region is continually affected, with heavy losses due to corrosion of the reinforcing steel embedded in concrete. To gather information with respect to the diffusion of chlorides in concrete made with highly-porous crushed limestone under marine environment, two types of cement were employed: ordinary Portland cement and pozzolanic cement. The aggregate used was crushed limestone for both, coarse and fine aggregate (5% absorption). Two water to cementitious materials ratios were em
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LEPADATU, Daniel, Loredana JUDELE, Ioana ENTUC, Eduard PROASPAT, and Gabriel SANDULACHE. "NANOPARTICLES AND RECYCLABLE WASTE IN CONSTRUCTION MATERIALS. FROM PRACTICAL NECESSITY TO ADVANCED SOLUTIONS." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.29.

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In an increasingly competitive economy, we are facing fierce competition in the construction materials industry, where the use of recyclable waste from demolitions has become more than a necessity. The compensation for the loss of certain properties, which could otherwise lead to a reduction in mechanical characteristics, has been achieved through the addition of nanoparticles with superior qualities. This paper will present the main nanoparticles introduced as subtle additives (ranging from 0.01 percent to a maximum of 1 percent) - currently limited due to manufacturing costs - into the formu
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Vimmrova, Alena, and Martin Keppert. "INFLUENCE OF FILLERS ON THE HYDRATION OF TERNARY BINDER." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.26.

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While the interaction between the cement-based binders and different types of fillers is described sufficiently, the behaviour of composites, containing gypsum and any type of filler was studied less frequently and studies focused on the interaction between the composite binder and filler are rare. We studied ternary binder composed from gypsum, lime and silica fume in combination with several types of fillers (sand, expanded perlite, expanded clay and waste polyurethane). The strength of the composites was measured in 7 and 28 days. While in the pure gypsum the maximal strength is achieved ve
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Pavlikova, Milena, Martina Zaleska, Jana Nabelkova, Adam Pivak, and Zbysek Pavlik. "SOLID RESIDUES FROM THE COBUSTION OF BIOMASS � HEAVY METALS CONTAMINATION AND POSSIBLE REUSE." In SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/6.1/s26.44.

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This manuscript presents the comprehensive chemical and physical analysis of two types of biomass ashes derived from power and heat generation in order to highlight their positive parameters and properties and to propose the way for their safe reuse in the production of building materials. The analysis of biomass ashes included the assessment of chemical composition, dry matter content, loss on ignition, particle size distribution, Blaine fineness, dry powder density, specific density, pozzolanic activity, SEM morphology and microstructure. Emphasis was placed on the analysis of heavy metals c
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Incorvia, Michael John. "Corrosion Inhibitive Admixtures for Concrete (A Review of the Current State of the Art)." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96239.

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Abstract Corrosion inhibitive admixtures, chemicals added to the concrete mixture to decrease the corrosion activity of the steel reinforcement, are an easy, cost-effective method for corrosion protection. This paper will review some of the issues related to the corrosion process and to the use of corrosion inhibitive admixtures to extend the service life of steel reinforced structures. The principle cause of corrosion damage to steel reinforced concrete, even high quality concrete, is chloride ion attack. To perform properly an inhibitive admixture must provide protection against chloride ind
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Opirina, Lissa, Teuku Budi Aulia, Muttaqin Hasan, and Sri Aprilia. "Characterization of Coal Fly Ash and Rice Husk Ash as Binders in Geopolymer with Material Microstructure Testing." In The 2nd International Conferences on Applied Engineering, Science, Technology and Innovation. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-iimp7t.

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Geopolymers offer a sustainable alternative to reduce reliance on Portland cement in construction. This study examines coal fly ash and rice husk ash as potential substitutes in geopolymer formulations. Microstructural tests, including chemical composition analysis (SNI 2049-3-2022), Density (SNI 1964-2008), FTIR, and SEM-EDS, were conducted to evaluate their properties. Chemical analysis showed that coal fly ash contains 90.55% silica (SiO₂) and less than 10% calcium oxide (CaO), categorizing it as Class F fly ash, while rice husk ash has 50.86% SiO₂ and 38.41% CaO, both comparable to cement.
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Barry, James Aloysius, Erica Esatyana, Karim Loutfy El Sayed, Mahmoud Ahmed El-Husseiny, and John Hagle. "Applications of Pozzolans to Treat Wellbore prior to Cement, Casing and While Drilling to Prevent Overburden Stress Fractures, Onshore US, Offshore Deepwater, and International Case Studies." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2022. http://dx.doi.org/10.2118/208866-ms.

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Abstract This study is focused on the application of novel pozzolans (superplasticizers) ahead of cement, prior to casing and while drilling to treat and prevent wellbore fracture due to overburden stresses. This study is a combination of quantitative and qualitative analysis based on laboratory and field applications of pozzolanic materials in the construction of wells. Pozzolans have long been applied to construction materials in order to improve lifespan and compressive strength. The application of pozzolanic materials goes back over 2000 years to the construction of Roman Aqueducts, buildi
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Barry, James Aloysius, Erica Esatyana, Karim Loutfy El Sayed, and Mahmoud Ahmed El-Husseiny. "Novel Applications of Pozzolans to Treat Wellbore prior to Cement, Casing and While Drilling to Prevent Overburden Stress Fractures." In IADC/SPE International Drilling Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/208757-ms.

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Abstract This study is focused on the application of novel pozzolans (superplasticizers) ahead of cement, prior to casing and while drilling to treat and prevent wellbore fracture due to overburden stresses. This study is a combination of quantitative and qualitative analysis based on laboratory and field applications of pozzolanic materials in the construction of wells. Pozzolans have long been applied to construction materials in order to improve lifespan and compressive strength. The application of pozzolanic materials goes back over 2000 years to the construction of Roman Aqueducts, buildi
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Eštoková, Adriana, and Miriama Holosova. "Study of Pozzolanic Activity of Selected Waste Materials." In 4th International Conference on Advances in Environmental Engineering. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-vv7w3i.

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Wastes from various industrial processes are used in the construction industry in the production of cement composites, for example as a replacement for part of the cement. In addition to contributing to promoting circularity and reducing the carbon footprint, several waste materials have properties that promote improved durability of the resulting composites due to their pozzolanic properties. This paper deals with testing of the pozzolanic activity of selected wastes from local manufacturing processes such as slag, zeolite, microsilica and fly ash using the thermal analysis method (TG/DSC). T
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Reports on the topic "Pozzolanic materials"

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He, Rui, Na (Luna) Lu, and Jan Olek. Development of In-Situ Sensing Method for the Monitoring of Water-Cement (w/c) Values and the Effectiveness of Curing Concrete. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317377.

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As the most widely used construction material, concrete is very durable and can provide long service life without extensive maintenance. The strength and durability of concrete are primarily influenced by the initial water-cement ratio value (w/c), and the curing condition during the hardening process also influences its performance. The w/c value is defined as the total mass of free water that can be consumed by hydration divided by the total mass of cement and any additional pozzolanic material such as fly ash, slag, silica fume. Once placed, field concrete pavements are routinely cured with
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