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This research aims to explore the deformation mechanism and control technologies for mining roadways influenced by fault tectonic stress.

June 13, 2026ProcessesOpen Access

Study on the Mechanism and Control Technology of Asymmetric Large Deformation in Near-Fault Roadways

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Randomized trial investigates deformation control technology in mining roadways, suggesting effective strategies for stability.

This research aims to explore the deformation mechanism and control technologies for mining roadways influenced by fault tectonic stress.
Conducted on-site monitoring and theoretical analysis in the East No.2 Mining Area of Pinggang Coal Mine.
Performed numerical simulations to assess deformation behaviors.
Proposed a control scheme combining pillar optimization, grouting, and anchoring techniques.
Two-side convergence reduced by 82.4% and roof-to-floor convergence reduced by 84.5% post-implementation of the control measures.
Two-side convergence during mining measured at 397 mm; roof-to-floor convergence at 484 mm.
The critical instability range of the roadway found to be 3.44 m affected by GSI and disturbance factor.

Qiu et al. (2026) studied this question.

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