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Статті в журналах з теми "Degree of silica hydration"
Bach, Quoc Si. "Investigation of Blended Cement Hydration in the Reactive Powder Concrete with Increasing Levels of Silica Fume Addition." Applied Mechanics and Materials 889 (March 2019): 304–12. http://dx.doi.org/10.4028/www.scientific.net/amm.889.304.
Повний текст джерелаWu, Cheng Zhu, Yong He Liang, Yu Cheng Yin, Man Fei Cai, Jian Hua Nie, and Sen Cai Shen. "Characterization of Hydrolysis Process of a Silane Coupling Agent KH-570." Key Engineering Materials 768 (April 2018): 279–85. http://dx.doi.org/10.4028/www.scientific.net/kem.768.279.
Повний текст джерелаWang, Feng, Pingan Chen, Xiangcheng Li, and Boquan Zhu. "Effect of Colloidal Silica on the Hydration Behavior of Calcium Aluminate Cement." Materials 11, no. 10 (September 28, 2018): 1849. http://dx.doi.org/10.3390/ma11101849.
Повний текст джерелаSkripkiūnas, Gintautas, Žymantas Rudžionis, and Vitoldas Vaitkevičius. "COMPLEX ADMIXTURES FOR HIGH-STRENGTH CONCRETE." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 8, no. 4 (December 31, 2002): 276–80. http://dx.doi.org/10.3846/13923730.2002.10531288.
Повний текст джерелаHuang, Ruixing, Chengxue Ma, Qiang He, Jun Ma, Zhengsong Wu, and Xiaoliu Huangfu. "Ion specific effects of monovalent cations on deposition kinetics of engineered nanoparticles onto the silica surface in aqueous media." Environmental Science: Nano 6, no. 9 (2019): 2712–23. http://dx.doi.org/10.1039/c9en00251k.
Повний текст джерелаKang, Hyunuk, Nankyoung Lee, and Juhyuk Moon. "Elucidation of the Hydration Reaction of UHPC Using the PONKCS Method." Materials 13, no. 20 (October 19, 2020): 4661. http://dx.doi.org/10.3390/ma13204661.
Повний текст джерелаTurov, V. V., V. M. Gun'ko, and T. V. Krupska. "Methane adsorption onto silicas with various degree of hydrophobicity." Surface 13(28) (December 30, 2021): 94–126. http://dx.doi.org/10.15407/surface.2021.13.094.
Повний текст джерелаZhou, Yue, Zhongping Wang, Zheyu Zhu, Yuting Chen, Linglin Xu, and Kai Wu. "Impacts of Space Restriction on the Microstructure of Calcium Silicate Hydrate." Materials 14, no. 13 (June 30, 2021): 3645. http://dx.doi.org/10.3390/ma14133645.
Повний текст джерелаPyeon, Sujeong, Gyuyong Kim, Sangsoo Lee, and Jeongsoo Nam. "Internal Curing Effect of Waste Glass Beads on High-Strength Cement Composites." Applied Sciences 12, no. 16 (August 22, 2022): 8385. http://dx.doi.org/10.3390/app12168385.
Повний текст джерелаZhou, Haiyun, Hongbo Zhu, Hongxiang Gou, and Zhenghong Yang. "Comparison of the Hydration Characteristics of Ultra-High-Performance and Normal Cementitious Materials." Materials 13, no. 11 (June 6, 2020): 2594. http://dx.doi.org/10.3390/ma13112594.
Повний текст джерелаДисертації з теми "Degree of silica hydration"
Stephant, Sylvain. "Etude de l'influence de l'hydratation des laitiers sur les propriétés de transfert gazeux dans les matériaux cimentaires." Thesis, Dijon, 2015. http://www.theses.fr/2015DIJOS090/document.
Повний текст джерелаCements with high slag content are currently studied as possible candidate for nuclear waste containment materials. In this context it is important to know their microstructure and the transport properties (permeability and diffusion) of the gases that are formed by the radiolysis of the water present in this material. According to literature, these properties are strongly impacted by the addition of blast furnace slag. The aim of this work is to correlate the hydration processes of slag blended cements with their transport properties. In the first part of this work, the hydration of the slag blended cements, for which only few results have been reported to date, has been studied. Silicon-29 and aluminium-27 Magic-Angle Spinning Nuclear Magnetic Resonance (MAS NMR) were used to follow the variations of anhydrous phases of clinker (C3S, C2S, C3A and C4AF) and of the main oxides of the slag (SiO2, Al2O3, CaO, MgO and SO3). The quantity of calcium dissolved from slag was deduced by fitting the quantity of portlandite [Ca(OH)2] calculated by a geochemical software (PHREEQC - coupled to a thermodynamic database) with TGA measurements. Our approach enabled the evolution of the hydration degree (percentage of reacted material) of various oxides of slag to be determined. A progressive and an incongruent dissolution (the rate of dissolution of the oxides is different) of the slag is observed. The low reactivity of slag could be linked, at a hydration time, to a lower content of bound water, chemical shrinkage and heat of hydration. Quantitatively accounting for the dissolution of clinker and oxide of slag yields a more accurate description of the hydration process. The second part of this work is focused on the microstructure evolution and its influence on the transport properties (diffusion and permeability). Time-evolution of the diffusion coefficients and the intrinsic permeability could be monitored and were then compared to that of the microstructure (global porosity, pore entry size distribution, specific surface area and the degree of connectivity). The results showed a decrease in the diffusion coefficient and permeability over time which is due to the progressive filling of the porosity. A decrease of these parameters with the slag content increasing was also observed. This is a consequence of the diminution of the capillary porosity and augmentation of the nanoporosity resulting from changes in the microstructure of C-S-H. The last part concerns the relation between the hydration processes, the microstructure and the transport properties. To this aim, volumetric balances of reactions involved in the hydration processes were made by considering globally or specifically the hydration of the different phases. Accounting for the hydration of each phase of the cement allowed us to determine the global porosity, the bound water content and the chemical shrinkage with accuracy of the order of 10 %. This description allows the understanding of the transport properties variations in time for a same material To establish this time evolutions for all the cements, the apparent volume of C-S-H was recalculated to account for the microstructure of these hydrates
Björnström, Joakim. "Influence of nano-silica and organic admixtures on cement hydration : a mechanistic investigation /." [Go̊teborg], Sweden : Dept. of Chemistry, Göteborg University, 2005. http://www.loc.gov/catdir/toc/fy0801/2006411318.html.
Повний текст джерелаBjörnström, Joakim. "Influence of nano-silica and norganic admixtures of cement hydration : a mechanistic investigation /." Göteborg : Göteborg University, Department of Chemistry, 2005. http://www.loc.gov/catdir/toc/fy0801/2006411318.html.
Повний текст джерелаHassanali, Ali. "WATER AT MOLECULAR INTERFACES: STRUCTURE AND DYNAMICS NEAR BIOMOLECULES AND AMORPHOUS SILICA." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275314943.
Повний текст джерелаGonzalez-Rodriguez, Jesus Alberto. "The mechanical response to contact of Soda Lime Silica float glass and the effects of hydration and high temperature." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/10019/.
Повний текст джерелаCHAKRAVARTY, SRINIVAS L. N. "DEVELOPMENT OF SCRATCH RESISTANT PECVD SILICA-LIKE FILMS." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin973542599.
Повний текст джерелаChan, Lok. "Neutron scattering studies of water in biomolecules and biomaterials." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/neutron-scattering-studies-of-water-in-biomolecules-and-biomaterials(58d5b829-53dc-4a8d-97df-3529e2ecf097).html.
Повний текст джерелаMirzahosseini, Mohammadreza. "Glass cullet as a new supplementary cementitious material (SCM)." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17565.
Повний текст джерелаDepartment of Civil Engineering
Kyle A. Riding
Finely ground glass has the potential for pozzolanic reactivity and can serve as a supplementary cementitious material (SCM). Glass reaction kinetics depends on both temperature and glass composition. Uniform composition, amorphous nature, and high silica content of glass make ground glass an ideal material for studying the effects of glass type and particle size on reactivity at different temperature. This study focuses on how three narrow size ranges of clear and green glass cullet, 63–75 [mu]m, 25–38 [mu]m, and smaller than 25 [mu]m, as well as combination of glass types and particle sizes affects the microstructure and performance properties of cementitious systems containing glass cullet as a SCM. Isothermal calorimetry, chemical shrinkage, thermogravimetric analysis (TGA), quantitative analysis of X-ray diffraction (XRD), and analysis of scanning electron microscope (SEM) images in backscattered (BS) mode were used to quantify the cement reaction kinetics and microstructure. Additionally, compressive strength and water sorptivity experiments were performed on mortar samples to correlate reactivity of cementitious materials containing glass to the performance of cementitious mixtures. A recently-developed modeling platform called “[mu]ic the model” was used to simulated pozzolanic reactivity of single type and fraction size and combined types and particle sizes of finely ground glass. Results showed that ground glass exhibits pozzolanic properties, especially when particles of clear and green glass below 25 [mu]m and their combination were used at elevated temperatures, reflecting that glass cullet is a temperature-sensitive SCM. Moreover, glass composition was seen to have a large impact on reactivity. In this study, green glass showed higher reactivity than clear glass. Results also revealed that the simultaneous effect of sizes and types of glass cullet (surface area) on the degree of hydration of glass particles can be accounted for through a linear addition, reflecting that the surface area would significantly affect glass cullet reactivity and that the effects of SCM material interaction on reaction kinetics were minimal. However, mechanical properties of cementitious systems containing combined glass types and sizes behaved differently, as they followed the weaker portion of the two particles. This behavior was attributed to the pores sizes, distruibution, and connectiity. Simulations of combined glass types and sizes showed that more work on microstructural models is needed to properly model the reactivity of mixed glass particle systems.
Ferrer, Vall-llosada Íngrid. "Development of new reusable materials based on Ru complexes with catalytic activity for olefin epoxidation and nitrile hydration." Doctoral thesis, Universitat de Girona, 2015. http://hdl.handle.net/10803/322785.
Повний текст джерелаEn aquesta tesi es presenta la síntesi de diferents tipus de complexos de ruteni que contenen lligands N-donadors en combinació amb lligands dmso, Cl i H2O, i la seva completa caracterització mitjançant tècniques espectroscòpiques i electroquímiques. Els complexos han estat avaluats com a catalitzadors en epoxidació d'olefines i hidròlisi de nitrils en fase homogènia. Per altra banda, tenint en compte la importància i els avantatges de la catàlisi heterogènia, s’ha dut a terme la immobilització d’alguns d’aquests complexos sobre suports tipus sílice i se n'ha avaluat l'activitat catalítica, comparant-los amb els anàlegs en fase homogènia. És destacable l'activitat dels complexos amb lligands dmso i pirazole en la hidròlisi de nitrils a amides en aigua com a dissolvent. Els sistemes Ru-OH2 heterogenis s'han avaluat en l'epoxidació d'olefines i s'han pogut reutilitzar durant diversos cicles mantenint alts valors de selectivitat per l'epòxid.
Kleib, Joelle. "Ecoconception des ciments : synthèse, hydratation et durabilité." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2018. http://www.theses.fr/2018MTLD0009/document.
Повний текст джерелаSulfoaluminate cements are hydraulic binders that, until today, are not standardized and therefore do not have a fixed composition. The content of ye'elimite - the main compound of this cement - can vary from 5 to 70 %. However, the composition of sulfoaluminate cement (clinker composition as well as the percentage of added gypsum) is a critical parameter that controls its reactivity, mechanical performance, as well as its durability. The main objective of this thesis is to study the influence of sulfoaluminate cements composition on their technical properties, such as mechanical performances and durability. Three main axes were discussed in this work. First, the influence of the sulfoaluminate cement composition (25-75 wt. % of ye'elimite) on its hydraulic and mechanical properties, as well as on the threshold limit of Zn, was studied. For this purpose three sulfoaluminate cements (25, 50 and 75 wt. % of ye'elimite) were synthesized. Then the effect of the variability of this cement on its durability in pure and sulphated water was investigated compared to a commercial sulfoaluminate cement. Finally, a study of the potentialities of commercial sulfoaluminate cement to inhibit the alkali silica reaction in mortars, when using a reactive aggregate (flint), was conducted. This study reveals that an increase in ye'elimite content in the sulfoaluminate cement increases the mechanical performance. The threshold limit of Zn is 0.3 % independently of the sulfoaluminate cement composition. Contrariwise, the sulfoaluminate cement composition influences the durability of these cements. Although the formulation containing 75 % of ye’elimite gives the best mechanical performances, its durability was lowest due to the absence of stratlingite in its cement matrix. Finally, the use of sulfoaluminate cement has good potential towards the inhibition of the alkali silica reaction
Книги з теми "Degree of silica hydration"
Cao, Yajuan (Jan). Hydration and microstructure of cements containing silica or slag cured at different temperatures. Ottawa: National Library of Canada, 1993.
Знайти повний текст джерелаBjörnström, Joakim. Influence of nano-silica and organic admixtures on cement hydration: A mechanistic investigation. [Go̊teborg], Sweden: Dept. of Chemistry, Göteborg University, 2005.
Знайти повний текст джерелаTurner, Neil. Exercise-related pseudonephritis. Edited by Neil Turner. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0049.
Повний текст джерелаЧастини книг з теми "Degree of silica hydration"
Singh, L. P., S. K. Bhattacharyya, S. P. Shah, and U. Sharma. "Studies on Hydration of Tricalcium Silicate Incorporating Silica Nano-particles." In Nanotechnology in Construction, 151–59. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_18.
Повний текст джерелаDe Schutter, G. "Degree of hydration concept for early age concrete using DIANA." In Finite Elements in Civil Engineering Applications, 523–26. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003211365-69.
Повний текст джерелаQuercia Bianchi, G., H. J. H. Brouwers, and K. Luke. "Hydration Kinetics Study of Class G Oil-Well Cement and Olivine Nano-silica Mixtures at 20–60 °C." In Nanotechnology in Construction, 179–85. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_22.
Повний текст джерелаYehdego, Tesfamichael, and Sulapha Peethamparan. "The Role of Nano Silica in Modifying the Early Age Hydration Kinetics of Binders Containing High Volume Fly Ashes." In Nanotechnology in Construction, 399–405. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_52.
Повний текст джерелаYanagisawa, Norio, Koichiro Fujimoto, Satoru Nakashima, Yoshiaki Kurata, Norio Sanada, and J. H. Thomassin. "Depth profiles of different water species for the hydration of silica glass under supercritical conditions by means of micro FT-IR." In Water-Rock Interaction, 131–34. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203734049-31.
Повний текст джерелаKaucsar, Tamas, Adam Hosszu, Erdmann Seeliger, Henning M. Reimann, and Andrea Fekete. "Preparation and Monitoring of Small Animals in Renal MRI." In Methods in Molecular Biology, 45–55. New York, NY: Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-0978-1_3.
Повний текст джерелаTurov, Vladimir V., Tetyana V. Krupska, Vladimir M. Gun'ko, and Mykola T. Kartel. "Supramolecular interactions in the mixtures of hydrophobic and hydrophilic pyrogenic silicas." In NEW FUNCTIONAL SUBSTANCES AND MATERIALS FOR CHEMICAL ENGINEERING, 93–107. PH “Akademperiodyka”, 2021. http://dx.doi.org/10.15407/akademperiodyka.444.093.
Повний текст джерелаMilanova, Denitsa, Xuan Wu, and Ranganathan Kumar. "Effect of Surface Hydration and Interfusion of Suspended Silica Nanoparticles on Heat Transfer." In 2007 Cleantech Conference and Trade Show Cleantech 2007, 25–28. CRC Press, 2019. http://dx.doi.org/10.1201/9780429187469-7.
Повний текст джерелаJolivet, Jean-Pierre. "Aluminum Oxides: Alumina and Aluminosilicates." In Metal Oxide Nanostructures Chemistry. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190928117.003.0009.
Повний текст джерелаLi, Tianyu, Fangying Shi, Xiaoyan Liu, Xunhuan Lian, Jingying Zhang, Zheng Zhu, Yuhan Hu, Dezhi Wang, and Tengfei Bao. "Evolution of Mechanical Property and Microstructure of Fibre-Reinforced Ultra High Strength Mortar with Desert Sand." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220375.
Повний текст джерелаТези доповідей конференцій з теми "Degree of silica hydration"
"Nonevaporable Water and Degree of Cement Hydration in Silica Fume-Cement Systems." In "SP-153: Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete Proceedings Fifth International Conference Milwauk". American Concrete Institute, 1995. http://dx.doi.org/10.14359/1028.
Повний текст джерелаKoenders, Eduardus, Camila Aparecida Abelha Rocha, Romildo Dias Toledo Filho, and Neven Ukrainczyk. "Modeling Pozzolanic Systems for Subsurface Cementitious Systems." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10916.
Повний текст джерелаAnthony, E. J., E. M. Bulewicz, D. Go´ra, and J. Najman. "Observations on the Hydration Behaviour of a Selection of Bed and Fly Ashes From FBC Installations." In 18th International Conference on Fluidized Bed Combustion. ASMEDC, 2005. http://dx.doi.org/10.1115/fbc2005-78102.
Повний текст джерелаGaurina-Međimurec, Nediljka, Krunoslav Sedić, Anel Čajić, and Ante Matijević. "Effect of Microblock on the Compressive Strength of Portland Cement at Elevated Temperatures." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62455.
Повний текст джерелаKronrod, E., V. Kronrod, and O. Kuskov. "Thermal evolution of the cores of the icy satellites of the giant planets." In ASTRONOMY AT THE EPOCH OF MULTIMESSENGER STUDIES. Proceedings of the VAK-2021 conference, Aug 23–28, 2021. Crossref, 2022. http://dx.doi.org/10.51194/vak2021.2022.1.1.085.
Повний текст джерела"Fly Ash and Silica Fume Chemistry and Hydration." In "SP-114: Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete: Proceedings of the Third International Conference". American Concrete Institute, 1989. http://dx.doi.org/10.14359/1881.
Повний текст джерела"Fly Ash-Silica Fume-Cement Paste- Kinetics of Hydration." In SP-242: 9th Canmet/ACI Fly Ash Conference. American Concrete Institute, 2007. http://dx.doi.org/10.14359/18718.
Повний текст джерела"The Investigation of Nano Silica in the Cement Hydration Process." In SP-267: Nanotechnology of Concrete: The Next Big Thing is Small. American Concrete Institute, 2009. http://dx.doi.org/10.14359/51663285.
Повний текст джерела"Monitoring Hydration of Alkali-Activated Slag and Fly Ash." In "SP-178: Sixth CANMET/ACI/JCI Conference: FLy Ash, Silica Fume, Slag & Natural Pozzolans in Concrete". American Concrete Institute, 1998. http://dx.doi.org/10.14359/6010.
Повний текст джерелаRay, Shaumik, Nirmala Devi, Jyotirmayee Dash, Saptarshi Sasmal, and Bala Pesala. "Effect of Nano-silica Incorporation on Cement Hydration Dynamics Studied using Terahertz Spectroscopy." In International Conference on Fibre Optics and Photonics. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/photonics.2016.th3a.88.
Повний текст джерелаЗвіти організацій з теми "Degree of silica hydration"
Mazer, J. J., J. K. Bates, C. M. Stevenson, and J. P. Bradley. The effect of glass composition on the experimental hydration of obsidian between 110 and 230{degree}C. Office of Scientific and Technical Information (OSTI), December 1991. http://dx.doi.org/10.2172/10144526.
Повний текст джерелаAdams, Caitlin J., Baishakhi Bose, Ethan Mann, Kendra A. Erk, Ali Behnood, Alberto Castillo, Fabian B. Rodriguez, Yu Wang, and Jan Olek. Superabsorbent Polymers for Internally Cured Concrete. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317366.
Повний текст джерелаHuang, Cihang, Yen-Fang Su, and Na Lu. Self-Healing Cementitious Composites (SHCC) with Ultrahigh Ductility for Pavement and Bridge Construction. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317403.
Повний текст джерелаHe, 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.
Повний текст джерела