Results 11 to 20 of about 146,363 (308)

Hydration of Ternary Blends Containing Steel Slag and Limestone by Considering the Curing Temperature Effect [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
The effect of the curing temperature on the hydration ternary blended cement based on limestone and processed steel slag was examined by measuring the degree of hydration, Apparent activation energy (Ea), and heat of hydration at three different curing ...
Mojtaba Hosseini   +2 more
doaj   +1 more source

Kinetic Hydration Heat Modeling for High-Performance Concrete Containing Limestone Powder

open access: yesAdvances in Materials Science and Engineering, 2017
Limestone powder is increasingly used in producing high-performance concrete in the modern concrete industry. Limestone powder blended concrete has many advantages, such as increasing the early-age strength, reducing the setting time, improving the ...
Xiao-Yong Wang
doaj   +1 more source

Prediction of Hydration Heat of Mass Concrete Based on the SVR Model

open access: yesIEEE Access, 2021
Thermal cracking in pile caps caused by concrete hydration heat will affect the safety and durability of long-span cable-stayed bridges. Therefore, effective prediction and control of concrete bridges hydration heat has been a challenging problem.
Dunwen Liu   +3 more
doaj   +1 more source

Setting control of completely recyclable concrete with slag and aluminate cements [PDF]

open access: yes, 2016
A completely recyclable concrete (CRC) is designed to have a chemical composition equivalent to the one of general raw materials for cement production. By doing so, this CRC can be used at the end of its service life in cement manufacturing without the ...
De Belie, Nele   +3 more
core   +2 more sources

Geothermal heat use to eliminate hydrate formations in oil deposit injection wells [PDF]

open access: yesE3S Web of Conferences, 2021
The article is devoted to an actual issue: the development of internal downhole heat exchangers technology to combat hydration in injection wells. Purpose: development of conceptual solutions for the use of geothermal coolant in the internal well heat ...
Fyk Мykhailo   +3 more
doaj   +1 more source

HYDRATION OF PLASMATREATED ALUMOSILICATE BINDERS [PDF]

open access: yes, 2017
Plasma treatment offers several applications in material science. In this research, the potential of plasma treatment is explored on the hydration of hydrophilic CNT-enriched cement and hydrophilic fly ash.
Babchenko , Oleg   +3 more
core   +1 more source

Study on Hydration Heat Coefficient of Mass Concrete Construction

open access: yesChemical Engineering Transactions, 2018
This paper aims to prevent and control the hydration heat crack by analyzing the hydration heat coefficient in a bridge construction project, in which process it explores the reasons and concrete parameters as well as takes corresponding control measures.
Hongli Wang
doaj   +1 more source

The impact of fire suppression tasks on firefighter hydration: A critical review with consideration of the utility of reported hydration measures [PDF]

open access: yes, 2016
BACKGROUND: Firefighting is a highly stressful occupation with unique physical challenges, apparel and environments that increase the potential for dehydration.
Orr, Robin Marc   +2 more
core   +1 more source

Long-term Exothermic Characteristics and Hydration Mechanism of Low-heat Portland Cement Mixed with Fly Ash Based on Thermodynamic Calculation [PDF]

open access: yes长江科学院院报
[Objective] This study aims to reveal the exothermic properties and hydration mechanism of low-heat Portland cement (LHC) (hereafter referred to as low-heat cement) mixed with fly ash, the composition of pore solution during hydration, and the evolution ...
CUI Jin-yang, LI Shu-guang, LI Wen-wei, YANG Hua-mei, ZHANG Duo, ZHANG Kai-lai
doaj   +1 more source

Hydration kinetics analysis of cementitious paste composites produced by binary and ternary binder materials for potential use in massive concrete structures

open access: yesCase Studies in Construction Materials, 2023
In order to explore the applicability of different cementitious paste systems used for massive concrete structures, the hydration characteristics and mechanism of the binary and ternary cementitious paste systems in Portland cement pastes containing fly ...
Xingwang Sheng   +4 more
doaj   +1 more source

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