Results 21 to 30 of about 2,991 (180)

Effect of Graphene Oxide on Properties of Alkali-Activated Slag [PDF]

open access: yesMaterials, 2021
Alkali-activated materials, a new kind of low-carbon cement, have received extensive attention. While in order to obtain excellent functions, the modification of alkali-activated materials by nano-materials has become one of the important research directions of alkali-activated materials.
Quanwen Dong   +4 more
openaire   +2 more sources

Study on Mechanical Properties and Durability of Alkali-Activated Silicomanganese Slag Concrete (AASSC)

open access: yesBuildings, 2022
Alkali-activated materials are produced by chemically polymerizing the aluminosilicate materials using alkaline activators, which can effectively lower the greenhouse-gas emissions (approximately 73%) released by ordinary Portland cement (OPC ...
Baifu Luo   +2 more
doaj   +1 more source

Effect of Carbonation on Alkali‐Activated Slag Paste

open access: yesJournal of the American Ceramic Society, 2006
Carbonation on waterglass‐ and NaOH‐activated slag pastes was analyzed and compared with carbonation in Portland cement pastes to determine possible differences. Thermogravimetry‐differential thermal analysis (TG/DTA), Fourier‐transform infrared spectrometry, and nuclear magnetic resonance were used to ...
Palacios, Marta, Puertas, Francisca
openaire   +2 more sources

External Sulphate Attack on Alkali-Activated Slag and Slag/Fly Ash Concrete [PDF]

open access: yesBuildings, 2022
Two types of alkali-activated material (AAM) concretes were exposed to various sulphate bearing-solutions for over two years. Physical changes to the concrete specimen and chemical changes in the exposure liquid were studied in an attempt to understand how sulphate attack occurs in such binders and the role the mix variables play in offering resistance
Dali Bondar, Sreejith Nanukuttan
openaire   +5 more sources

Experimental Study on the Durability of Alkali-Activated Slag Concrete after Freeze-Thaw Cycle

open access: yesAdvances in Materials Science and Engineering, 2021
A freeze-thaw resistance is an important indicator of the durability of alkali-activated slag concrete, which causes structural failure when the performance is low, especially in severely cold areas.
Bin Chen, Jun Wang
doaj   +1 more source

CO2 treatment of ground granulated blast furnace slag for enhancing geopolymer properties

open access: yesJournal of Materials Research and Technology, 2022
A novel and cost-effective method was developed for CO2 incorporation into ground granulated blast furnace slag as distorted carbonates, and subsequent value-added use of the captured carbon dioxide towards enhancement of the alkali-activated slag ...
Faris Matalkah, Parviz Soroushian
doaj   +1 more source

Mechanism of Alkali‐Activated Copper‐Nickel Slag Material [PDF]

open access: yesAdvances in Civil Engineering, 2020
A copper‐nickel slag‐based alkali‐activated cementing material (CNSCM) for backfilling was prepared using copper‐nickel slag as a raw material and sodium silicate (SS) as an activating agent. The effects of SS content (6%, 8%, and 10%) and curing humidity on the compressive strength of CNSCM were investigated using an electronic universal testing ...
Tingting Zhang   +6 more
openaire   +3 more sources

Alkali-activated slag mortars reinforced with ar glassfibre. Performance and properties

open access: yesMateriales de Construccion, 2006
In light of the practical problem posed by the high drying shrinkage rate exhibited by alkali-activated slag (AAS),due to these materials exhibited a high drying shrinkage the present study analyzes the behaviour of alkali-activated slag mortars ...
F. Puertas   +3 more
doaj   +1 more source

Study on properties and mechanism of alkali-activated geopolymer cementitious materials of marble waste powder

open access: yesDevelopments in the Built Environment, 2023
In order to explore the effect and mechanism of marble waste powder on the properties of alkali-activated slag composite cementitious materials. The effects of different parameters on the properties of alkali-activated slag composite cementitious ...
Tongkuai Wang   +3 more
doaj   +1 more source

Autogenous shrinkage of alkali-activated slag: A critical review

open access: yesCement and Concrete Research, 2023
sponsorship: This work was partially supported by Horizon Europe guarantee funding (grant number EP/X022587/1) . The first author (ZL) would like to thank Prof. Klaas van Breugel for the insightful discussions with him. The second author (YC) would like to acknowledge the financial support from China Scholarship Council (Grant No. 201906150022) .
Li, Zhenming   +4 more
openaire   +2 more sources

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