[HTML][HTML] Interfacial bond in concrete-to-concrete composites: A review

D Daneshvar, A Behnood, A Robisson - Construction and Building …, 2022 - Elsevier
Concrete-to-concrete composites have been widely used in a broad range of applications
such as buildings, bridges, pavements, dams and tunnels. Numerous studies have been …

Artificial alkali-activated aggregates developed from wastes and by-products: A state-of-the-art review

LP Qian, LY Xu, Y Alrefaei, T Wang, T Ishida… - Resources, Conservation …, 2022 - Elsevier
Natural resources depletion is gradually becoming a critical burden on the environmental
and ecological balance, pushing the development of artificial aggregates forward. In order to …

High-strength high-ductility Engineered/Strain-Hardening Cementitious Composites (ECC/SHCC) incorporating geopolymer fine aggregates

LY Xu, BT Huang, VC Li, JG Dai - Cement and Concrete Composites, 2022 - Elsevier
Abstract In this study, Engineered/Strain-Hardening Cementitious Composites (ECC/SHCC)
incorporating geopolymer fine aggregates were successfully developed with high strength …

[HTML][HTML] Shrinkage mitigation, strength enhancement and microstructure improvement of alkali-activated slag/fly ash binders by ultrafine waste concrete powder

G Liang, T Liu, H Li, K Wu - Composites Part B: Engineering, 2022 - Elsevier
The reuse of waste concrete powder (WCP) in the synthesis of alkali-activated binder (AAB)
composites has never been investigated. Herein, this paper reports the study about the …

Influencing factors analysis and optimized prediction model for rheology and flowability of nano-SiO2 and PVA fiber reinforced alkali-activated composites

P Zhang, Z Gao, J Wang, J Guo, T Wang - Journal of Cleaner Production, 2022 - Elsevier
Alkali-activated composites (AAC) has real potential as a repair material of defective
concrete structures by virtue of fast setting, high strength, and recyclability. Understanding …

New insights into the early-age reaction kinetics of metakaolin geopolymer by 1H low-field NMR and isothermal calorimetry

G Liang, W Yao, A She - Cement and Concrete Composites, 2023 - Elsevier
Early-age reaction kinetics of geopolymers is one of the challenging issues associated to
their mechanical performances and durability. In this work, the early-age reaction of …

Experimental investigation on the properties of the interface between RCC layers subjected to early-age frost damage

Y Li, Y Zhou, R Wang, Y Li, X Wu, Z Si - Cement and Concrete Composites, 2022 - Elsevier
This research presents the macroscopic and microscopic performance of the early-age frost
roller compacted concrete (RCC) interface to investigate the influence of pre-curing time and …

Flexural strengthening of reinforced concrete beams using geopolymer-bonded small-diameter CFRP bars

KD Peng, BT Huang, LY Xu, RL Hu, JG Dai - Engineering Structures, 2022 - Elsevier
In this study, the strengthening system for reinforced concrete (RC) members using
geopolymer-bonded small-diameter carbon fiber-reinforced polymer (CFRP) bars was …

Development of engineered cementitious composites (ECC) using artificial fine aggregates

LY Xu, BT Huang, JG Dai - Construction and Building Materials, 2021 - Elsevier
Abstract In this study, Engineered/Strain-Hardening Cementitious Composites (ECC/SHCC)
using artificial fine aggregates [ie, geopolymer aggregates (GPA) and cement-bonded …

Understanding geopolymer binder-aggregate interfacial characteristics at molecular level

MF Kai, JG Dai - Cement and Concrete Research, 2021 - Elsevier
The interfacial characteristics of geopolymer binder to aggregate composites are poorly
understood, especially at molecular level. Herein, molecular models are developed to study …