Efficacy of Various Accelerated Carbonation Techniques to Improve Recycled Concrete Aggregates: A Comprehensive Review

AK Shuvo, PK Sarker, FUA Shaikh - Journal of Building Engineering, 2024 - Elsevier
This study presents a critical review to evaluate the comparative efficacy of different
accelerated carbonation techniques used to improve the properties of recycled concrete …

[HTML][HTML] A path to carbon neutrality in construction: An overview of recent progress in recycled cement usage

KN Shivaprasad, HM Yang, JK Singh - Journal of CO2 Utilization, 2024 - Elsevier
The cement industries as binder materials, produces 1.6 billion metric tons' carbon dioxide
(CO 2) in 2022 and cause depletion in ozone layer. The cement is being used in modern …

A microstructure-based model for quantifying irreversible yield stress evolution in cement-based pastes during hydration

X Yin, Z Wu, L Weng, X Xu, Y Zhou, Q Liu - Cement and Concrete …, 2024 - Elsevier
Investigating workability loss in cement-based pastes during hydration, primarily marked by
an irreversible yield stress increase, is crucial for cement-based materials application and …

An investigation of the source of calcium carbonate from the carbonated Portland cement: Based on the transformation of hydrates

M Wu, H Long, W Zhu, Y Zhang, C Liu, Z Liu… - … and Building Materials, 2024 - Elsevier
In this work, two PC pastes were used to carry out accelerated carbonation experiments, and
phase assemblages of paste samples collected at different sampling depths were analyzed …

[HTML][HTML] Effect of curing temperature on hydration and microstructure evolution of cement-based composites with extremely low w/b ratio

L Hu, Z Chen, X Zhu, H Yang, X Zheng, K Liu - Developments in the Built …, 2023 - Elsevier
The challenge of high geo-temperature often occurred during the construction of deep
buried tunnels, and to uncover the effect of varied curing temperature on hydration and …

Co-treatment of steel slag and oil shale waste in cemented paste backfill: Evaluation of fresh properties, microstructure, and heavy metals immobilization

Y Chang, Z Zhiyun, Z Dengfeng, Z Di, X Liguo - Journal of Environmental …, 2024 - Elsevier
The environmentally sustainable treatment of steel slag (SS) and oil shale waste (OSW) is a
significant concern in the field of industrial development. The mining industry also faces …

Effect of wet carbonated recycled cement paste powder on the rheology of cement paste

Y Mao, S Drissi, X Hu, J Zhang, C Shi - Cement and Concrete Research, 2024 - Elsevier
This study investigated the effect of wet carbonated recycled cement paste powder (RCPP)
on the rheological properties of cement pastes. The results showed that wet carbonated …

Efficient inhibition of ASR by microbially induced calcium carbonate precipitation on aggregates at a low degree of saturation

S Bu, Y Zheng, C Lu, L Cheng - Journal of Building Engineering, 2024 - Elsevier
Alkali-silica reaction (ASR) is a chemical reaction between alkaline ions (Na+, K+), silicon
phases and aluminum phases in the aggregate, causing volume expansion and cracking of …

An innovative strategy for maximizing CO2 reduction in concrete through preparing carbon sequestration precursors by accelerated carbonation

Y Zhao, K Cui, J He, Y Zheng, P Shen, CS Poon… - Cement and Concrete …, 2024 - Elsevier
Concrete possesses significant potential as a medium for CO 2 sequestration. Nevertheless,
conventional approaches like CO 2 mixing and carbonation curing have shown limited …

Highly reactive carbonated recycled concrete fines prepared via mechanochemical carbonation: Influence on the early performance of cement composites

Y Zhao, K Cui, J He, Y Zheng, P Shen, CS Poon… - Cement and Concrete …, 2024 - Elsevier
Carbonated recycled concrete fines (RCF) possess the potential to serve as supplementary
cementitious materials (SCMs). However, calcium carbonate (Cc) formed during traditional …