What does this research mean for the field?

Coal gangue aggregate concrete is a viable, eco-friendly construction material that can reduce costs by 25-30% and carbon footprints by 18-22%, with its inherent strength and durability limitations effectively mitigated through matrix modification and aggregate treatment. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to analyze the characteristics and structural applications of coal gangue aggregate concrete (CGAC).

June 19, 2026Low-carbon Materials and Green ConstructionOpen Access

A comprehensive review on coal gangue aggregate concrete: from raw material to structural behaviors

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Authors

LLLi LiMacau University of Science and Technology SCSirou ChenInstitute of Soil and Water Conservation ZLZongjin LiMacau University of Science and Technology

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Implication

Comprehensive review examines coal gangue aggregate concrete's properties and structural uses, suggesting its potential for eco-friendly construction.

Key Points

The aim is to analyze the characteristics and structural applications of coal gangue aggregate concrete (CGAC).
Systematic review of recent advances in CGAC research.
Analysis of physicochemical properties, mechanical behavior, durability, and modification strategies.
Evaluation of life cycle assessments related to CGAC.
Raw CG aggregates generally reduce concrete strength and durability in high-grade mixes.
Effective improvements achievable through matrix modifications like fly ash and nano-SiO₂.
CGAC retains over 95% stiffness in concrete-filled steel tube systems at full aggregate replacement.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a34dd1d65a5b0777af2cf3d https://doi.org/10.1007/s44242-026-00107-y

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Implication

Comprehensive review examines coal gangue aggregate concrete's properties and structural uses, suggesting its potential for eco-friendly construction.

A comprehensive review on coal gangue aggregate concrete: from raw material to structural behaviors

Discussion

Member takes

Implication

Key Points

Cite This Study

A comprehensive review on coal gangue aggregate concrete: from raw material to structural behaviors

Discussion

Member takes

Implication

Key Points

Cite This Study

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