Results 1 to 10 of about 202,277 (297)

Prevention of steel reinforcement corrosion in alkali-activated slag cement concrete mixed with seawater [PDF]

open access: yesE3S Web of Conferences, 2021
Concretes mixed with seawater are characterised by enhanced performances, but action of chlorides and sulfates ensures the risk of reinforcement corrosion.
Krivenko Pavlo   +3 more
doaj   +1 more source

Research activation energy in thermal modification of wood [PDF]

open access: yesE3S Web of Conferences, 2021
The analysis of the process of thermal modification of wood, which was modified by a controlled process of pyrolysis of wood heating (> 180 ° C) in the absence of oxygen, which causes some chemical changes in the chemical structures of cell wall ...
Tsapko Yuriy   +4 more
doaj   +1 more source

Study of influence of alkaline component type on pH value and properties of alkali activated concretes containing basalt rock [PDF]

open access: yesE3S Web of Conferences, 2021
The paper discusses the questions of alkalinity changes in alkali activated cement-based materials at different stages of hardening. It was shown that use of alkali activated cement with dry alkaline component (“all-in-one system”) in the presence of ...
Kovalchuk Oleksandr   +1 more
doaj   +1 more source

Influence of whitening additives on the properties of decorative slag-alkali cements and mortars

open access: yesMateriales de Construccion, 2023
The paper shows a comparative study of the influence of whitening additives (kaolin, TiO2 and СаСО3) on the production of decorative alkali-activated slag cement and mortars with a degree of whiteness of at least 70%; as well as their influence on the ...
P. Krivenko   +4 more
doaj   +1 more source

Phosphate binders [PDF]

open access: yesAmerican Journal of Health-System Pharmacy, 2006
Several retrospective studies of large databases have shown that most dialysis patients have elevated levels of serum phosphorus and that this elevation, independent of a variety of relevant variables, adversely affects patient survival (1,2). Although there are no data demonstrating that a reduction of serum phosphorus will improve survival, a prudent
Michael, Haight   +2 more
openaire   +4 more sources

Modeling of the high-strength clinker-free binder structure [PDF]

open access: yesMATEC Web of Conferences, 2019
Modern approaches in materials science should provide a solution to the problems of energy and resource conservation. They are also called upon to develop a line of directed synthesis of composites that possess the required parameters over the entire ...
Petropavlovskaya Victoria   +3 more
doaj   +1 more source

Peculiarities of hydration and frost resistance of cement with natural zeolite additive

open access: yesMagazine of Civil Engineering, 2023
The work is directed to the researches of composite binders, especially their strength properties in conditions of negative temperatures. Since the slowing down of concrete hardening with the addition of pozzolanic additives limits the possibility of ...
Popov Aleksandr   +2 more
doaj   +1 more source

Methodology for assessing the dustiness of the air environment of the working areas of foundries

open access: yesЛитьë и металлургия, 2023
The content of harmful substances in the air is an important parameter of the working conditions of foundry workers. Due to the peculiarities of the technology, there are many sources of intense dust emission in the foundry.
A. M. Lazarenkov   +3 more
doaj   +1 more source

Increase of fire resistance of coating wood with adding mineral fillers [PDF]

open access: yesMATEC Web of Conferences, 2018
The article covers all the stages of the process of fire protection: as the separation of gases, heat transfer, the swelling of the coating, which is formed during by the action of fire.
Tsapko Yuriy   +4 more
doaj   +1 more source

Geotechnical Properties of Soil Stabilized with Blended Binders for Sustainable Road Base Applications

open access: yesConstruction Materials, 2023
This study aimed at evaluating the effect of blended binders on the stabilization of clayey soils intended for use as road and pavement materials in selected regions of Sweden.
Per Lindh, Polina Lemenkova
doaj   +1 more source

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