What does this research mean for the field?

Carbonation significantly improves the unconfined compressive strength of coal gangue-based geopolymer stabilized saline soil, with superimposed carbonation yielding the highest strength by promoting the formation of CaCO3 and complex gels that densify the microstructure. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to explore how different carbonation methods affect the strength and failure patterns of geopolymer stabilized saline soil.

June 1, 2026Scientific ReportsOpen Access

Effects of carbonation methods on mechanical behavior and carbonation mechanisms of coal gangue based geopolymer stabilized saline soil

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Authors

XYXiaoyun YangYuncheng University YRYongxiang RenXuchang University RCRongjie CuiYuncheng University

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Implication

Randomized trial investigates carbonation effects on strength of geopolymer stabilized saline soil, suggesting improved mechanical behavior.

Key Points

This research aims to explore how different carbonation methods affect the strength and failure patterns of geopolymer stabilized saline soil.
Systematic investigation of carbonation methods on mechanical behavior of geopolymer stabilized saline soil
Use of XRD, FTIR, TG, SEM, and EDS for carbonation mechanism analysis
Evaluation of unconfined compressive strength (UCS) under various carbonation conditions
UCS exceeds 4.1 MPa for carbonated stabilized soil with over 25% geopolymer content under mixed carbonation
Strength for conventional and superimposed carbonation exceeds 3.8 MPa and 6.2 MPa respectively at more than 20% geopolymer content
Failure mode shifts from cracking to disintegration and peeling as geopolymer content increases

Cite This Study

Yang et al. (2026) studied this question.

synapsesocial.com/papers/6a1d218f02fbce913063788b https://doi.org/10.1038/s41598-026-55800-6

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Implication

Randomized trial investigates carbonation effects on strength of geopolymer stabilized saline soil, suggesting improved mechanical behavior.

Effects of carbonation methods on mechanical behavior and carbonation mechanisms of coal gangue based geopolymer stabilized saline soil

Discussion

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Implication

Key Points

Cite This Study

Effects of carbonation methods on mechanical behavior and carbonation mechanisms of coal gangue based geopolymer stabilized saline soil

Discussion

Member takes

Implication

Key Points

Cite This Study

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