Results 1 to 10 of about 1,188 (133)

Development and evaluation of acetone-based and cyclohexanone-based aliphatic superplasticizers for the improvement of concrete workability

open access: yesCase 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
doaj   +1 more source

Influence of superplasticizer on workability and strength of ambient cured alkali activated mortar

open access: yesCleaner 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
doaj   +1 more source

A two-fold strategy towards low-carbon concrete

open access: yesRILEM Technical Letters, 2023
Concrete is by a substantial margin the most widely used construction material. Projections indicate that the demand for concrete it will continue to increase to sustain the development of emerging economies. This paper presents a new perspective of low-
Franco Zunino
doaj   +1 more source

Compatibility of portland cement and polycarboxylate-based superplasticizers in high-strength concrete for precast constructions [PDF]

open access: yesИнженерно-строительный журнал, 2016
Application of polycarboxylate-based superplasticizers can contribute to the increase of concrete early strength. It makes possible to obtain the concrete of the required strength after heat-steaming treatment with decreasing the isothermal temperature ...
O.M. Smirnova
doaj   +1 more source

The impact of superplasticizers on the radiation changes in Portland cement stone and concretes [PDF]

open access: yesИнженерно-строительный журнал, 2017
The authors have estimated the effect of advanced superplasticizers of types Muraplast, Reamin, Weiss SM, Polyplast SP-1 and Melflux on radiation changes in Portland cement stone and concretes of radiation protection, based on experimental data from ...
A.V. Denisov
doaj   +1 more source

Effect of Functional Polycarboxylic Acid Superplasticizers on Mechanical and Rheological Properties of Cement Paste and Mortar

open access: yesApplied Sciences, 2020
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 ...
Wuju Xun   +6 more
doaj   +1 more source

Design and evaluation of Self-consolidating Concrete (SCC)

open access: yesRevista Ingeniería de Construcción, 2006
Technological innovations in the industry of chemical admixtures for construction materials as concrete, specifically of the superplasticizers, make possible the development at the end of the eighties, of a revolutionary concrete capable of auto ...
Renato Vargas Salazar   +1 more
doaj   +10 more sources

ENERGY-SAVING CHAMBER IN PRODUCTION OF BUILDING MATERIALS AND PRODUCTS [PDF]

open access: yesJournal of Engineering Science (Chişinău), 2021
This paper presents the results of a study of the compressive strength of concrete in a cyclic solar chamber. The analysis of the existing types of industrial solar chambers is carried out and the main structural elements are considered.
ZAVOLOKA, Michael   +3 more
doaj   +1 more source

Repulsion forces of superplasticizers on ground granulated blast furnace slag in alkaline media, from AFM measurements to rheological properties

open access: yesMateriales 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
doaj   +1 more source

The flowability and high-temperature resistance of manufactured sand concrete: An exploration for high-rise buildings

open access: yesMaterials Research Express, 2023
The depletion of natural concrete aggregates, e.g., river sands, is a gradual process, and hence, manufactured sand concrete (MSC) is widely used in various construction projects.
Zhiping Ren   +6 more
doaj   +1 more source

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