Academic literature on the topic 'Superplasticizer'

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Journal articles on the topic "Superplasticizer"

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Abo-El-Enein, S. A., S. Hanafi, F. I. El-Hosiny, El-Said H. M. El-Mosallamy, and M. S. Amin. "Effect of Some Acrylate—Poly(Ethylene Glycol) Copolymers as Superplasticizers on the Mechanical and Surface Properties of Portland Cement Pastes." Adsorption Science & Technology 23, no. 3 (2005): 245–54. http://dx.doi.org/10.1260/0263617054353645.

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Ordinary Portland cement (OPC) pastes with added superplasticizer were made using water/cement weight ratios of standard consistency. Three types of superplasticizer based on acrylate—poly(ethylene glycol) copolymers were used. The pastes were hydrated for various time lengths and the mechanical characteristics of the hardened cement pastes were studied and related to their pore structures. It was found that the addition of the superplasticizers to OPC improved the mechanical properties of the hardened pastes for all hydration lengths. The addition of such superplasticizers to OPC resulted in
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Dvorkin, Leonid, Vadim Zhitkovsky, Ruslan Makarenko, and Yuri Ribakov. "The Influence of Polymer Superplasticizers on Properties of High-Strength Concrete Based on Low-Clinker Slag Portland Cement." Materials 16, no. 5 (2023): 2075. http://dx.doi.org/10.3390/ma16052075.

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The paper deals with the effectiveness of various types of polymers (naphthalene formaldehyde, polycarboxylate, and lignosulfonate) as superplasticizers of concrete mixtures based on low-clinker slag Portland cement. Using the mathematical planning experimental method and statistical models of water demand of concrete mixtures with polymer superplasticizers, as well as concrete strength at different ages and under different curing conditions (normal curing and after steaming) were obtained. According to the models, the superplasticizer’s water-reducing effect and relative change in concrete st
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Firdaus, M. Royan, Sartika Nisumanti, and Khodijah Al Qubro. "Pengaruh Pengerasan Beton Menggunakan Superplasticizer Terhadap Kuat beton Busa." Jurnal Tekno Global UIGM Fakultas Teknik 11, no. 2 (2022): 56–61. http://dx.doi.org/10.36982/jtg.v11i2.3049.

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ABSTRACT
 A new product of lightweight concrete that has a low specific gravity that is increasingly used in the world of construction is foam concrete. In this study, testing the addition of superplasticizers to the foam concrete mixture was carried out, by analyzing the effect of adding superplasticizers as much as 0.3% of the amount of cement on the process of setting time and compressive strength of foam concrete. The purpose of the study was to determine the effect of adding superplasticizers as much as 0.3% of the amount of cement on the process setting time and compressive strength
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Arend, Johannes, Alexander Wetzel, and Bernhard Middendorf. "Fluorescence Microscopy of Superplasticizers in Cementitious Systems: Applications and Challenges." Materials 13, no. 17 (2020): 3733. http://dx.doi.org/10.3390/ma13173733.

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In addition to the desired plasticizing effect, superplasticizers used in high and ultra-high performance concretes (UHPC) influence the chemical system of the pastes and for example retardation of the cement hydration occurs. Thus, superplasticizers have to be chosen wisely for every material composition and application. To investigate the essential adsorption of these polymers to particle surfaces in-situ to overcome several practical challenges of superplasticizer research, fluorescence microscopy is useful. In order to make the superplasticizer polymers visible for this microscopic approac
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Xun, Wuju, Changlong Wu, Jiye Li, et al. "Effect of Functional Polycarboxylic Acid Superplasticizers on Mechanical and Rheological Properties of Cement Paste and Mortar." Applied Sciences 10, no. 16 (2020): 5418. http://dx.doi.org/10.3390/app10165418.

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Modern engineering practices require that polycarboxylic acid high-performance superplasticizers have good adaptability to various environments and materials, which indicates the importance of producing functional polycarboxylic acid superplasticizers with a variety of functions. Therefore, in this work, a functional polycarboxylic acid high-performance water-reducing agent, named superplasticizer J, a sustained-release functional polycarboxylic acid high-performance water-reducing agent, named superplasticizer H, and an early-strength functional polycarboxylic acid high-performance water-redu
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A. O, Adeleke, Alake O, Ekundayo O.O, Ojo B.S, and Farayibi O.O. "Analysis of the Impact of Superplasticizer on the Compressive Strength of Periwinkle Shell Concrete." International Journal of Engineering & Science 13, no. 9 (2024): 306–15. http://dx.doi.org/10.9790/1813-1309306315.

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This research project investigates the compressive strength characteristics of superplasticized concrete incorporating periwinkle shell (PS) as partial replacements for granite coarse aggregate. The study aims to assess the influence of superplasticizer content and curing age on the compressive strength development of the novel concrete mixtures. Comparative analysis with plain concrete (control specimen) reveals that superplasticized concrete with periwinkle shell partial replacement exhibits a slower strength development. Results indicate that the compressive strength of superplasticized PS
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Singh, Abhishek, Shobha Ram, and Alok Verma. "Evaluation of initial setting time due to superplasticizers." Challenge Journal of Concrete Research Letters 8, no. 2 (2017): 65. http://dx.doi.org/10.20528/cjcrl.2017.02.003.

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This paper shows how polycarboxylate based superplasticizer affects the initial setting time of cement paste. Three superplasticizers are used in this study with different properties and aiming to determine the delay in initial setting time due to superplasticizer. Initial setting time is calculated as per IS: 4031-PART 5-1988 with different SP dosages (0.5%, 0.75%, 1.0% and 1.5% of weight of cement). Superplasticizer is an admixture which reduces the water-cement ratio or increase the workability at the same water content. This paper deals with the evaluation of initial setting time due to su
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Deraz, Nasr-Allah M., Mohamed Heikal, and Hamdy El-Didamony. "Effect of Various Superplasticizers on the Textural Properties of Silica Fume Pozzolanic Cements." Adsorption Science & Technology 20, no. 5 (2002): 453–66. http://dx.doi.org/10.1260/026361702320644743.

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The influence of different superplasticizers on the hydration and textural characteristics of hardened pozzolanic cement pastes was evaluated. Thus, the BET surface areas and pore structures of hardened cement pastes containing different amounts of silica fume and/or various superplasticizers were determined via nitrogen adsorption isotherms measured at −196°C. Three types of superplasticizers were used in this study, viz. naphthalene formaldehyde sulphonate (NFS), sodium gluconate (SG) and their mixtures (NFS + SG). The various phase compositions and microstructures were assessed by X-ray dif
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Wang, Qing, Lin Li, Chang Peng Wu, and Zhi Tong Sui. "Research on Adaptability of Slag-Based Geopolymer with Superplasticizer." Key Engineering Materials 405-406 (January 2009): 129–34. http://dx.doi.org/10.4028/www.scientific.net/kem.405-406.129.

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Using slag and metakaoline as raw materials , different modules of water glass as activator ,a new type of cementitious material—slag-based geopolymer was prepared. The fluidity of slag-based geopolymer paste and optimum content of superplasticizer in slag-based geopolymer mortar being as evaluation standard, adaptablities of slag-based geopolymer to naphthalene superplasticizer and melamine superplasticizer were studied. The results have shown that both naphthalene superplasticizer and melamine superplasticizer with slag-based geopolymer were adaptable well, obvious saturated points and optim
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Šoukal, František, Luboš Bocian, Radoslav Novotný, et al. "The Effects of Silica Fume and Superplasticizer Type on the Properties and Microstructure of Reactive Powder Concrete." Materials 16, no. 20 (2023): 6670. http://dx.doi.org/10.3390/ma16206670.

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This paper deals with the optimization of reactive powder concrete mixtures with respect to the addition of silica fume and the type of polycarboxylate superplasticizer used. First, the properties of reactive powder concrete with eight different commercial polycarboxylate superplasticizers were tested in terms of workability, specific weight, and mechanical properties. It was found that different commercially available superplasticizers had significant effects on the slump flow, specific weight, and compressive and flexural strengths. The optimal superplasticizer (BASF ACE430) was selected for
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Dissertations / Theses on the topic "Superplasticizer"

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Lim, Chen Leong. "Effects of maximum size coarse aggregate and superplasticizer on concrete strength." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/50049.

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The effects of maximum size coarse aggregate on the relationship between accelerated strength and 14-day normally cured strength of normal and superplasticized concrete have been investigated. The results obtained show that differences among maximum size coarse aggregates are greater in normal concrete than in superplasticized concrete in strength-producing properties. Among the various sizes of aggregates investigated, one-half inch maximum size of coarse aggregate exhibited higher strength producing properties. This report includes the test results as well as the procedures for the preparat
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Yilmaz, Veysel Turan. "Interactions between portland cement and sulphonated melamine formaldehyde superplasticizer and inorganic glass fibre." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602281.

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In Part I of the thesis the effect oif sulphonated melamine formaldehyde (SMF) superplasticizer on the hydration, microstructure and internal chemistry of ordinary Portland cement, as well as on individual pure cement clinker components such as tricalcium aluminate (C3A) was investigated. Conduction calorimetry, thermal analysis, X-ray diffractometry, scanning electron microscopy and pore fluid extraction techniques were used. In order to determine SMF content of the cement pore fluids, it was necessary to develop a new analytical method for SMF. Because of high pH of cement pore fluids the co
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Zingg, Anatol. "Cement-superplasticizer interaction : link between macroscopic phenomena and microstructural data of the early cement hydration /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17645.

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Yazan, Kazim. "Effects Of Retempering With Superplasticizer On Properties Of Prolonged Mixed Mineral Admixture Containing Concrete At Hot Weather Conditions." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12606751/index.pdf.

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Concrete which is manufactured in a mixing plant to be delivered to construction site in unhardened and plastic stage is called ready-mixed concrete. Because of technical and economical reasons, many mineral and chemical admixtures are used in ready-mixed concrete production. As a result of extra mixing and delayed placing of ready-mixed concrete (especially at hot weather conditions), there can be many problems about concrete, like slump loss. Addition of water for retempering concrete is the usual procedure, but addition of water without proper adjustment in mixture proportions, adversely
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Tuzcu, Gozde. "2-acrylamido-2-methyl-1-propanesulfonic Acid -methacrylic Acid Copolymer And Its Polyethylene Glycol Methyl Ether Derivatives As Superplasticizers In Concrete." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609380/index.pdf.

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Polymers in concrete have received considerable attention over the past 30 years. Superplasticizers are one of the admixtures which have polymeric structure. In this study, polycarboxylate type slump-releasing dispersant, which is a copolymer of 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) and methacrylic acid (MAA), was synthesized in different feed compositions. The synthesis procedure of this copolymer was retrieved from literature. The derivatives of this water-soluble copolymer (AMPS-MAA) were synthesized by a macromonomer which was synthesized by the esterification of poly(ethylen
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Paillard, Clara. "Mécanismes d'actions des adjuvants des liants minéraux à base de laitier." Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLS057.

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La réduction de l'empreinte carbone de la production de ciment conduit à la conception de nouveaux liants minéraux. Ceux-ci peuvent être complètement dépourvus de ciment ordinaire, en le remplaçant par des sous-produits industriels, tels que le laitier de haut-fourneaux. Cependant, contrairement au clinker Portland, l’hydratation de ces matériaux doit être activée par des espèces alcalines telles que NaOH, Na2CO3, ou des silicates tels que Na2Si1,7O4,4. On parle de laitiers activés. L'industrie a alors besoin d'une compréhension approfondie des mécanismes chimiques en jeux, afin de pouvoir con
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Horta, Andre. "Impacts of Using Crushed Rocks in Concrete." Thesis, KTH, Teknisk geologi och geofysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96093.

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Concrete in Sweden has traditionally been manufactured with natural aggregate from glaciofluvial eskers. There is a need to preserve the remaining eskers because of their cultural value and importance for water filtration, thus natural aggregate has to be replaced. The most realistic alternative is to use crushed rocks. The major problem with crushed rocks in concrete production is the workability. This is because crushed rocks have less favorable properties. The fragments are flakier and have a rougher surface than natural aggregates that have been rounded in water. Without any amelioration o
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Habrdová, Eva. "Funkce superplastifikátorů ve směsích alkalicky aktivovaných aluminosilikátů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216338.

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Javadi, Ali. "METHACRYLATED POLY(ETHYLENE GLYCOL)S AS PRECURSORS FOR SUPERPLASTICIZERS AND UV-CURABLE ELECTRICAL CONTACT STABILIZATION MATERIALS." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1508331641641639.

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Boursier, Thomas. "Synthèse et caractérisation de copolymères à base d’acide méthacrylique et de nouveaux macromonomères hydrophiles : rôle de leur solvatation sur la fluidité et la viscosité des compositions cimentaires." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10006.

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Le but de cette thèse est d'évaluer le rôle de la solvatation des PCP (copolymère greffé utilisé en tant qu'additif du béton) sur la fluidité et la viscosité des bétons. Pour répondre à cette problématique, des copolymères greffés différant par la nature chimique des chaînes latérales sont synthétisés. L'état de solvatation des PCP est évalué à l'aide du paramètre de Flory-Huggins χ. Ce dernier est calculé à partir du 2nd coefficient du viriel A2, déterminé par diffusion de la lumière. Des valeurs du paramètre χ de 0,37 ; 0,43 ; 0,47 et 0,48 ont été obtenues pour des PCP comportant des chaînes
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Books on the topic "Superplasticizer"

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Nakassa, Ali S. The effects of silica fume pulverized fuel ash and superplasticizer on ferrocement. UMIST, 1996.

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Canada, Atomic Energy of. Superplasticizers. Atomic Energy of Canada Limited, 1989.

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Zhongguo jian zhu xue hui. Hun ning tu wai jia ji ying yong ji shu zhuan ye wei yuan hui, ed. Ju suo suan xi gao xing neng jian shui ji ji qi ying yong ji shu xin jin zhan: New development of polycarboxylate superplasticizer and application technology. Beijing li gong da xue chu ban she, 2011.

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Johnston, C. D. Superplasticizers for concrete bridge construction. Alberta Transportation and Utilities, 1993.

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Polonina, Elena, Sergey Leonovich, Sergey Fedosov, and Valeriy Yaglov. Structural concrete with a complex addition of hydrothermal nanosilicon and carbon nanotubes. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1981690.

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The monograph is devoted to improving the methods of directed and controlled regulation of the C — S — H-gel structure by varying the doses, sizes, physical and chemical characteristics of the surface, and the nanoparticles used. The authors have developed an additive that additionally contains a superplasticizer to reduce the water demand of the concrete mixture and stabilize the nanoparticles. The dependences of the strength growth of cement stone and structural heavy concrete on the components of the complex additive are revealed. Experimental confirmation of the mechanism of action of a co
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S, Ramachandran V., and Canada Centre for Mineral and Energy Technology., eds. Superplasticizers: Properties and applications in concrete. Canada Centre for Mineral and Energy Technology, 1998.

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CANMET/ACI International Conference on Superplasticizers and other Chemical Admixtures in Concrete (9th 2009 Seville, Spain). Ninth ACI International Conference on Superplasticizers and Other Chemical Admixtures. Edited by Holland Terence C, Gupta, Pawan R. (Pawan Ramgopal), 1966-, Malhotra V. M, and American Concrete Institute. American Concrete Institute, 2009.

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L, Musser P., Texas. State Dept. of Highways and Public Transportation., United States. Federal Highway Administration., and University of Texas at Austin. Center for Transportation Research., eds. Anchorage and development of reinforcement in concrete made using superplasticizers. The Center, 1985.

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CANMET/ACI, International Conference on Superplasticizers and other Chemical Admixtures in Concrete (4th 1994 Montréal Québec). Fourth CANMET/ACI International Conference on Superplasticizers and other Chemical Admixtures in Concrete. American Concrete Institute, 1994.

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Sivasundaram, V. Superplasticized high-volume fly ash system to reduce temperature rise in mass concrete. s.n, 1987.

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Book chapters on the topic "Superplasticizer"

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Xu, Gao, Chungang Deng, and Weiyu Xu. "Experimental Study on the Influence of Superplasticizer on the Performance of Ecotype Ultra-High Performance Concrete (E-UHPC)." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_72.

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AbstractA kind of Ecotype Ultra High Performance Concrete (E-UHPC) with silicate high strength cement and a variety of industrial tailings as cementing system, green sand as aggregate and ecotype organic fiber as reinforcing material is proposed. The fluidity, flexural strength and compressive strength of E-UHPC under different factors were studied by different superplasticizer content and sand particle size. The results show that the variation trend of fluidity with particle size can be expressed as an exponential function. The peaceability of E-UHPC with Superplasticizer content of 8% is bet
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Ghosh, Shuddhashil, and Priyansh Singh. "Effect of Superplasticizer on Characteristics of Pervious Concrete." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3142-2_3.

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Ke, Yuliang, Yunhui Fang, Xiuxing Ma, Yuanqiang Guo, Lina Zhong, and Hao Chen. "Preparation and characterization of early strength polycarboxylate superplasticizer." In Advances in Engineering Research. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-336-8_56.

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Becker, Simon, Zichen Lu, Sarah Leinitz, Wolfram Schmidt, Dietmar Stephan, and Regine von Klitzing. "Particle Interactions in Silica Systems in Presence of Superplasticizer." In RILEM Bookseries. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22566-7_66.

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Mohammadi, Maryam, Alireza Redaei, Mohammad Ali Karimizarchi, and Mohammad Ali Mohammad Mirzaei. "Synthesis of Polycarboxylate Superplasticizer: Influence of Temperature of Polymerization." In Eco-friendly and Smart Polymer Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45085-4_104.

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Otsuka, Shuzo, Yoshihisa Nakata, Takeshi Saito, Hiroki Takahashi, Keishi Tobinai, and Torao Kemi. "Application of Molten Slag Fine Aggregate Concrete Using Superplasticizer." In Environmental Ecology and Technology of Concrete. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-983-0.329.

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Zhang, Bo, Lei Deng, Yu Jiang, Wenhong Chen, and Die Yang. "Research on synthesis and performance of early-strength polycarboxylate superplasticizer." In Urban Construction and Management Engineering IV. CRC Press, 2024. http://dx.doi.org/10.1201/9781032626444-44.

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Zhong, Lina. "Preparation and characterization of EPEG-type viscosity reducing polycarboxylic superplasticizer." In Advances in Engineering Research. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-336-8_61.

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Chen, Wenhong, Lei Deng, Yu Jiang, and Bo Zhang. "Preparation and performance test of multiblock polycarboxylate superplasticizer with low sensitivity." In Atlantis Highlights in Engineering. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-312-2_8.

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Zhao, Qian, and Xiang-Jie Meng. "Synthesis and Properties of an EPEG Slump Retaining Polycarboxylic Acid Superplasticizer." In Advances in Engineering Research. Atlantis Press International BV, 2025. https://doi.org/10.2991/978-94-6463-658-1_78.

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Conference papers on the topic "Superplasticizer"

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"Rapid Methods of Distinguishing Plasticizer From Superplasticizer and Assessing Superplasticizer Dosage." In SP-119: Superplasticizers and Other Chemical Admixtures in Concrete. American Concrete Institute, 1989. http://dx.doi.org/10.14359/2446.

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"Comparative Study of Influence of Superplasticizers and Superplasticizer/Plasticizer Blends on Slump-loss." In SP-195: The Sixth Canmet/ACI Conference on Superplasticizers and Other Chemical Admixtures in Concrete. American Concrete Institute, 2000. http://dx.doi.org/10.14359/9920.

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"Superplasticizer Adsorption on Synthetic Ettringite." In SP-217: Seventh CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete. American Concrete Institute, 2003. http://dx.doi.org/10.14359/12920.

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Safi, Brahim, Hamza Mechakra, Mohammed Saidi, and Samir Lecheb. "EFFECT OF NANOSILICA-DOPED SUPERPLASTICIZER ON THE PROPERTIES OF CEMENT MORTARS." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/6.1/s26.37.

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Recently, nanotechnology has attracted a considerable scientific interest due the potential new uses of non-particles, which can improve the properties of cement mortars or concretes, such as Nanosilica. Nanoparticles, like those of nanosilica, have been shown to have unique physical and chemical properties different from those of conventional cement additions. Nanosilica was used either to replace part of the cements or as an addition to improve the performance of the cement such as accelerating the hydration of the cement phases. This work investigates the effect of nanosilica adding to supe
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"Calcium Nitrate Counteracting PCE Superplasticizer Retardation." In SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures. American Concrete Institute, 2012. http://dx.doi.org/10.14359/51684222.

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"Shrinkage Reduction Type of Advanced Superplasticizer." In SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology. American Concrete Institute, 1998. http://dx.doi.org/10.14359/6039.

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"Cement/Superplasticizer/Air-Entraining Agent Compatibility." In SP-148: Fourth CANMET/ACI International Conference on Superplasticizers and chemical admixtures in Concrete. American Concrete Institute, 1994. http://dx.doi.org/10.14359/4101.

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Lin, Yanmei, Xiaofang Zhang, and Yanna Shi. "Preparation Research of Shrinkage Reducing Polycarboxylate Superplasticizer." In 2020 International Conference on Artificial Intelligence and Electromechanical Automation (AIEA). IEEE, 2020. http://dx.doi.org/10.1109/aiea51086.2020.00107.

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Zicheng Li, Aiju Zhang, and Shuheng Qiu. "Synthesis and application of modified melamine superplasticizer." In 2010 International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2010. http://dx.doi.org/10.1109/mace.2010.5536210.

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"Effects of In-Transit Addition of Superplasticizer." In SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures. American Concrete Institute, 2012. http://dx.doi.org/10.14359/51684226.

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Reports on the topic "Superplasticizer"

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Ramachandran, V. S., V. M. Malhotra, C. Jolicoeur, and N. Spiratos. Superplasticizers: properties and applications in concrete. Natural Resources Canada/CMSS/Information Management, 1998. http://dx.doi.org/10.4095/328653.

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Diamond, Sidney, and Keisuke Matsukawa. Chemical Admixtures of Highway Concrete: Fundamental Research and a Guide to Usage, Part II - Quantitative Analysis of Interactions between Portland Cements and Superplasticizers. Purdue University, 1993. http://dx.doi.org/10.5703/1288284313482.

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