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| The Influence of Cement Composition on Superplasticizers’ Efficiency
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Full
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Source |
International Journal of Engineering (IJE) |
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Table of Contents |
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Complete Issue PDF(13.2MB) |
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Volume: 3 Issue: 6 |
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Pages: 521-670 |
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Publication
Date: January 2010 |
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ISSN
(Online): 1985-2312 |
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Pages |
577 - 587 |
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Author(s) |
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Published
Date |
31-01-2010 |
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Publisher |
CSC
Journals, Kuala Lumpur,
Malaysia |
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ADDITIONAL
INFORMATION |
| Keywords Abstract References Cited by Related Articles Collaborative
Colleague |
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KEYWORDS: cement, superplasticizers, adsorption |
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| Fundamental interactions between polymeric superplasticizers and cement were studied. Cements with different alite-, belite-, C3A- and C4AF-contents were used. The use of commercially available superplasticizers like melamine formaldehyde sulfite- (MFS) and â-naphthalene sulfonic acid formaldehyde-(NSF) resins was investigated. These superplasticizers (industrial products) were characterized with the help of their molecular weights and polymeric radii, as well as by estimation of the anionic charge density in water and in the cement filtrate of four CEM I cements. Application data of the eight cement-superplasticizer-combinations (heat flow calorimetry and mini-slump tests) were obtained and the surface chemistry of the superplasticizers with cement (zeta potentials and superplasticizer adsorption on cement) was studied. |
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G. Bassioni, “Global warming and Construction Aspects”, In Proceeding of the 7th International Scientific and Practical Conference on Environmental Technology Resources, Rezekne, Latvia, 2: 78-86, 2009.
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G. Bassioni, J. Plank, “Untersuchungen zur kompetitiven Adsorption anorganischer Anionen am Modellsystem Kalksteinmehl”, GDCh Monographie, 36: 225-232, 2006.
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J. Plank, G. Bassioni, Z. Dai, H. Keller, B. Sachsenhauser, N. Zouaoui, “Neues zur Wechselwirkung zwischen Zementen und Polycarboxylat-Fließmitteln”, ibausil-Tagungsband, 16: 579-598, 2006.
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a) J. Plank, Ch. Hirsch, "Superplasticizer Adsorption on Synthetic Ettringite", In Proceedings of 7th CANMET/ACI Conference on Superplasticizers in Concrete, Berlin, Germany, 217: 283-298, 2003. b) A. Elazhary, Hassan Soliman, “Analytical Investigation of the Flow Hydrodynamics in Micro-Channels at High Zeta Potentials”, Int. J. Eng., 3(3): 267-279, 2008.
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J. Plank, G. Bassioni, “Adsorption of Carboxylate on CaCO3 surface”, Z. Naturforsch. B, 62b: 1277-1284, 2007.
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G. Bassioni, “A study towards “greener” construction”, Applied Energy, Volume 93, pp. 132–137, May. 2012.
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S. B. Cui and F. W. He, “Study of Applied Properties of Aminosulphonic Acid Based Superplasticizer”, Applied Mechanics and Materials, Advances in Mechanical Engineering, Vols 52 – 54, pp. 1650-1655, Mar. 2011.
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G. Bassioni and M. M. Ali, “Studying the physico-chemical properties of commercially available oil-well cement additives using calorimetry”, Journal of Thermal Analysis and Calorimetry, Feb. 2012.
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docin
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The Petroleum Institute, Abu Dhabi , United Arab Emirates
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| Ghada Bassioni : Colleagues
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