Results 111 to 120 of about 8,572 (229)

Preparation and Mechanical Properties of Cemented Uranium Tailing Backfill Based on Alkali-Activated Slag

Advances in Materials Science and Engineering, 2020
Backfilling disposal based on cement solidification is one of the ways to solve the environmental and safe problems of uranium tailing surface stacking.
Fulin Wang, Guoliang Chen, Lu Ji, Zhengping Yuan   +3 more
doaj   +1 more source

Mechanical Performance Optimization and Microstructural Mechanism Study of Alkali-Activated Steel Slag–Slag Cementitious Materials

Buildings
The optimal proportion of alkali-activated steel slag–slag cementitious materials is investigated by considering the combined effects of steel slag content, alkali content, water glass modulus, and water–binder ratio using the Box–Behnken design in ...
Mengqi Wang, Jian Xu, Xuejing Zhang, Longzhen Tan, Yuan Mei   +4 more
doaj   +1 more source

Components of the Fracture Response of Alkali-Activated Slag Composites with Steel Microfibers

Applied Sciences, 2019
Knowledge of the mechanical and primarily fracture parameters of composites with a brittle matrix is essential for the quantification of their resistance to crack initiation and growth, and also for the specification of material model parameters employed
Hana Šimonová, Petr Frantík, Zbyněk Keršner, Pavel Schmid, Pavel Rovnaník   +4 more
doaj   +1 more source

Formulation and characterization of one-part Ca-based alkali-activated slag-steel slag materials

This study aims to develop one-part Ca-based alkali-activated materials (OCAM) using steel slag (SS) and slag powder (SP) with a Ca-based activator. The effects of SS replacement rate on the flowability, setting time, and mechanical properties of paste ...
Zhao, Hanlin, Wu, Wenhao, Chen, Mingxu, Du, Xiaotong, Wang, Liang, Quan, Hongzhu, Li, Yujiao Li, Kong, Jiafeng   +7 more
core   +1 more source

Investigating the impact of foundry by-product sand as an activator on workability improvement and strength development in alkali-activated blast furnace slag mortar

Results in Materials
The substitution of alkali-activated furnace slag significantly reduces the necessity of cement manufacture and mitigates the continuous growth of carbon emissions.
Chi-Yi Hua, Chia-Jung Tsai, Wen-Shinn Shyu, Leila Fazeldehkordi   +3 more
doaj   +1 more source

Accurate determination of the 'time-zero' of autogenous shrinkage in alkali-activated fly ash/slag system

, 2019
Autogenous shrinkage based on different 'time-zero' may result in underestimation/overestimation on the cracking potential of alkali-activated fly ash/slag (AAFS).
Yang, X., Hu, J., Wang, H., Ma, Y., Zhang, Z.   +4 more
core   +1 more source

Preparation and piezoresistive properties of carbon fiber-reinforced alkali-activated fly ash/slag mortar

, 2019
In this study, a novel type of conductive mortar was proposed and prepared by alkali-activated fly ash/slag (AAFS) combined with carbon fibers. The workability, mechanical properties, electrical resistivity and piezoresistive properties of carbon fiber ...
Ouyang, X., Liu, A., Hu, J., Yin, S., Deng, L., Ma, Y., Zhang, Z., Fu, J.   +7 more
core   +1 more source

Two-step approach to manufacture sustainable artificial steel slag aggregate used in alkali-activated concrete

This study utilized 3 mol/L hydrochloric acid to activate steel slag powder in combination with carbonation and produced the artificial steel slag aggregate (ASSA) for the use in alkali-activated concrete.
Zhang, Zuhua, Li, Yujiao, Wu, Wenhao, Chen, Mingxu, Wang, Shu, Zhou, Xiaolong, Quan, Hongzhu, Kong, Jiafeng   +7 more
core   +1 more source

Sustainable inorganic Binders and Their Applications in Building Engineering: A Green Alternative to Ordinary Portland Cement

, 2012
In the last decades, the building materials and construction industry has been contributing to a great extent to generate a high impact on our environment.
Natali Murri, Annalisa <1982>
core   +1 more source

Re-examining the suitability of high magnesium nickel slag as precursors for alkali-activated materials

, 2019
High-magnesium nickel slag (HMNS) has shown the potential as precursor in the production of alkali-activated materials (AAMs). This study re-examines the suitability of HMNS by comparatively investigating the reactivity of four different sourced HMNSs ...
Zhang, Zuhua, Zhu, Huajun, Gao, Xuan, Wu, Qisheng, Yang, Tao, Dai, Chengdong   +5 more
core   +1 more source