Results 31 to 40 of about 18,482 (315)
Materiales de Construccion, 2012 The electrostatic and steric repulsion induced by different superplasticizers on ground granulated blast furnace slag in alkaline media have been studied.
M. Palacios +7 more
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Hydrophilicity as a measure of the efficiency of the superplasticisers
Budownictwo i Architektura, 2013 This paper presents the results of chemical structural investigations of four new-generation superplasticizers (denoted here as SP-A through SP-M2) used in concrete production engineering. The commercial product samples, the gel permeation chromatography
Elżbieta Janowska-Renkas
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The Influence of the Chemical Structure of Polycarboxylic Superplasticizers on their Effectiveness in Cement Pastes [PDF]
, 2015 The efficiency of polycarboxylic superplasticizers (derivatives of acrylic (SP-A and SP-B) or maleic (SP-C and SP-D) acids) after esterification with polyoxyethylene glycols (PEG) in cement pastes was analysed.The chemical structure of the ...
Janowska-Renkas, Elżbieta
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Case Studies in Construction Materials, 2023 Today, chemical admixtures are used to improve the quality and efficiency of concrete. According to previous studies, these admixtures can increase strength, durability, and workability and reduce the cost of concrete production. These admixtures include
Miad Forouzandeh Jouneghani +2 more
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A PROPOSAL FOR RATIONALIZATION OF THE SUPERPLASTICIZATION PROCESS OF SUPERPLASTICIZED CONCRETE
Doboku Gakkai Ronbunshu, 1986 This study concerns the development of an efficient superplasticizing apparatus capable of simultaneously measuring, introducing, and mixing superplasticizer with the aims of rationalizing and systematizing the superplasticization process which poses the greatest obstacle to the wide use of superplasticized concrete.
Yukio Kamiyama +2 more
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Influence of superplasticizer on workability and strength of ambient cured alkali activated mortar
Cleaner Materials, 2022 Alkali activated materials contain aluminosilicates, which can be used for building with a low environmental impact by repurposing waste resulting in cost-effective construction.
Elsa Paul
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Materiales de Construccion, 2018 The dispersion behavior of graphene oxide in cement matrix is one important factor in enhancing cement performance. In this work, we investigated the dispersion of graphene oxide in cement by simulating alkaline environment with a solution of calcium ...
G. J. Jing +5 more
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Infrastructures, 2021 The main aim of this paper is to review recent studies over the past 10 years investigating the influencing factors for improving the mechanical properties of concrete.
Kong Fah Tee, Sayedali Mostofizadeh
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Analysis of superplasticizers used in concrete [PDF]
Analusis, 1998 Reference LTP-ARTICLE-1998-001View record in Web of Science Record created on 2005-01-12, modified on 2017-05 ...
U. Maeder +8 more
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Recycling of fresh concrete exceeding and wash water in concrete mixing plants
Materiales de Construccion, 2014 The exceeding concrete and washing equipment water are a matter to solve in concrete production. This paper explains several possibilities for recycling and analyses the products obtained with one recycling equipment.
J. A. Férriz Papí
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