Otimização dos processos de dosagem e proporcionamento do concreto dosado em central com a utilização de aditivos: estudo de caso [PDF]
, 2005 Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia CivilDentre as propriedades do concreto no estado fresco que apresentam maiores dificuldades de controle, a principal é a perda ...
Martins, Vanessa da Costa
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Particularities of chemical modifiers selection for fabricating concrete articles by extrusion technology (rus) [PDF]
Инженерно-строительный журнал, 2012 The purpose of the present work is developing the requirements for the chemical modifiers defining their suitability in extrusion technology for formation of articles from concrete and reinforced concrete.
Baydzhanov D.O. +2 more
doaj
Viabilidade técnica e econômica do uso de areia de britagem e concretos de cimento portland na região de Chapecó-SC [PDF]
, 2006 Dissertação (mestrado)- Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Civil.Uma alternativa para a solução do problema da escassez de areias naturais para concreto é a utilização de areia de britagem.
Lodi, Victor Hugo
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Possibilities of using plasticizers and superplasticizers in alkali-activated systems
, 2015 Bachelor thesis deals with the preparation and properties alkali activated blast furnace slag after addition of the different types of plasticizers and superplasticizers with the different weight percentage amount.
Langová, Markéta
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Suitability of commercial superplasticizers for one-part alkali-activated blast-furnace slag mortar
, 2019 Alkali-activated materials are a low-CO2 alternative for Portland cement in construction. However, one major issue in their use is the poor or varying functionality of the currently available commercial superplasticizers.
Zahra Abdollahnejad (6835106) +4 more
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New insights into hydration of MgO in the presence of polycarboxylate ether superplasticizers [PDF]
MgO-based cement offers a promising solution to lower the carbon footprint compared to that of Portland cement, where MgO is sourced from fossil-free minerals. The hydration of MgO plays a key role in these cements.
Lori, Ali Rezaei +6 more
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Hydration, fluidity and strength development in Portland cement – influence of superplasticizers, alkali sulphates and set regulator [PDF]
, 2007 Eine zielführende Anwendung von Zusatzmitteln bei der Ausführung anspruchsvoller Betonbauten setzt einen hohen Kenntnisstand bezüglich der Wirkungsmechanismen und Interaktionen der einzelnen Betonkomponenten voraus.
Rößler, Christiane
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Influence of superplasticizers admixtures in the alkali-silica reaction
, 2016 The alkali-silica reaction (ASR) consists of the reactive process in which aggregates containing reactive silica constituents react with alkalis and hydroxyl ions present in cement pore solution. It is suspected that some superplasticizers admixtures can
Santos Silva, A. +2 more
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Effect of Naphthalene Based Superplasticizers on Performance of Ultrafine White Cement
, 2011 The compressive strength of ultrafine white cement samples at three ages: 3, 7 and 28 days and micro appearance of hydrates were tested. The influence of the usage of superplasticizers on the compressive strength of ultrafine white cement paste and ...
Wei Juan Guo +3 more
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Adsorption Science & Technology, 2005 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.
S.A. Abo-El-Enein +4 more
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